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Böckenhauer J, Schild R, Kemper MJ, Henne T, Stein MV, Oh J, Loos S. Volume expansion mitigates Shiga toxin-producing E. coli-hemolytic uremic syndrome in children. Pediatr Nephrol 2024; 39:1901-1907. [PMID: 38240870 PMCID: PMC11026235 DOI: 10.1007/s00467-023-06276-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 04/19/2024]
Abstract
BACKGROUND Shiga toxin-producing E. coli-hemolytic uremic syndrome (STEC-HUS) is associated with high morbidity and relevant mortality. Previous small studies showed that volume expansion could improve the course and outcome of STEC-HUS. The aim of this single-center study was to evaluate the effect of volume expansion on the clinical course and outcome in STEC-HUS. METHODS Data of pediatric patients with STEC-HUS were analyzed retrospectively. Course and outcome of patients treated with volume expansion (VE) from 2019 to 2022 (n = 38) were compared to historical controls (HC) from 2009 to 2018 (n = 111). RESULTS Patients in the VE group had a significant relative median weight gain compared to HC (7.8% (3.4-11.3) vs. 1.2% (- 0.7-3.9), p < 0.0001) 48 h after admission. The need for dialysis was not reduced by VE (VE 21/38 (55.3%) vs. HC 64/111 (57.7%), p = 0.8). However, central nervous system involvement (impairment of consciousness, seizures, focal neurological deficits, and/or visual disturbances) was significantly reduced (VE 6/38 (15.8%) vs. HC 38/111 (34.2%), p = 0.039). None of the patients in the VE group died or developed chronic kidney disease (CKD) stage 5, whereas in the HC group, three patients died and three patients had CKD stage 5 at discharge. CONCLUSIONS This study suggests that volume expansion may be associated with the mitigation of the acute course of STEC-HUS, especially severe neurological involvement and the development of CKD. Prospective trials should lead to standardized protocols for volume expansion in children with STEC-HUS.
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Affiliation(s)
- Johannes Böckenhauer
- University Medical Center Hamburg-Eppendorf, University Children's Hospital, Martinistrasse 52, 20246, Hamburg, Germany
| | - Raphael Schild
- University Medical Center Hamburg-Eppendorf, University Children's Hospital, Martinistrasse 52, 20246, Hamburg, Germany
| | - Markus J Kemper
- Department of Pediatrics, Asklepios Klink Nord, Hamburg, Germany
| | - Thomas Henne
- University Medical Center Hamburg-Eppendorf, University Children's Hospital, Martinistrasse 52, 20246, Hamburg, Germany
| | - Marie V Stein
- University Medical Center Hamburg-Eppendorf, University Children's Hospital, Martinistrasse 52, 20246, Hamburg, Germany
| | - Jun Oh
- University Medical Center Hamburg-Eppendorf, University Children's Hospital, Martinistrasse 52, 20246, Hamburg, Germany
| | - Sebastian Loos
- University Medical Center Hamburg-Eppendorf, University Children's Hospital, Martinistrasse 52, 20246, Hamburg, Germany.
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Schild R, Carvajal Abreu K, Büscher A, Kanzelmeyer N, Lezius S, Krupka K, Weitz M, Prytula A, Printza N, Berta L, Saygılı SK, Sellier-Leclerc AL, Spartà G, Marks SD, Kemper MJ, König S, Topaloglu R, Müller D, Klaus G, Weber S, Oh J, Herden U, Carraro A, Dello Strologo L, Ariceta G, Hoyer P, Tönshoff B, Pape L. Favorable Outcome After Single-kidney Transplantation From Small Donors in Children: A Match-controlled CERTAIN Registry Study. Transplantation 2024:00007890-990000000-00739. [PMID: 38685197 DOI: 10.1097/tp.0000000000004993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
BACKGROUND Kidney transplantation (KTx) from small donors is associated with inferior graft survival in registry studies, whereas single-center studies show favorable results. METHODS We compared 175 pediatric KTx from small donors ≤20 kg (SDKTx) with 170 age-matched recipients from adult donors (ADKTx) from 20 centers within the Cooperative European Paediatric Renal Transplant Initiative registry. Graft survival and estimated glomerular filtration rate (eGFR) were analyzed by Cox regression and mixed models. Detailed data on surgical and medical management were tested for association with graft survival. RESULTS One-year graft survival was lower after SDKTx compared with ADKTx (90.9% versus 96.5%; odds ratio of graft loss, 2.92; 95% confidence interval [CI], 1.10-7.80; P = 0.032), but 5-y graft survival was comparable (90.9% versus 92.7%; adjusted hazard ratio of graft loss 1.9; 95% CI, 0.85-4.25; P = 0.119). SDKTx recipients had an annual eGFR increase of 8.7 ± 6.2 mL/min/1.73 m² compared with a decrease of 6.9 ± 5.7 mL/min/1.73 m² in ADKTx recipients resulting in a superior 5-y eGFR (80.5 ± 25.5 in SDKTx versus 65.7 ± 23.1 mL/min/1.73 m² in ADKTx; P = 0.008). At 3 y posttransplant, eGFR after single SDKTx was lower than after en bloc SDKTx (86.6 ± 20.4 versus 104.6 ± 35.9; P = 0.043) but superior to ADKTx (68.1 ± 23.9 mL/min/1.73 m²). Single-kidney SDKTx recipients had a lower rate of hypertension at 3 y than ADKTx recipients (40.0% versus 64.7%; P = 0.008). CONCLUSIONS Compared with ADKTx, 5-y graft function is superior in SDKTx and graft survival is similar, even when performed as single KTx. Utilizing small donor organs, preferably as single kidneys in experienced centers, is a viable option to increase the donor pool for pediatric recipients.
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Affiliation(s)
- Raphael Schild
- Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Karla Carvajal Abreu
- Department of Pediatrics, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anja Büscher
- Department of Pediatrics II, University Hospital of Essen, University of Essen-Duisburg, Essen, Germany
| | - Nele Kanzelmeyer
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Susanne Lezius
- Department of Medical Biometry and Epidemiology, University Medical Center, Hamburg-Eppendorf, Germany
| | - Kai Krupka
- Department of Pediatrics I, University Children's Hospital, Heidelberg, Germany
| | - Marcus Weitz
- Department of General Pediatrics and Hematology/Oncology, University Children's Hospital Tübingen, Tübingen, Germany
| | - Agnieszka Prytula
- Paediatric Nephrology and Rheumatology Department, Ghent University Hospital, Ghent, Belgium
| | - Nikoleta Printza
- Pediatric Nephrology Unit, First Department of Pediatrics, Hippokratio General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - László Berta
- First Department of Pediatrics, Semmelweis University, Budapest, Hungary
| | - Seha Kamil Saygılı
- Division of Pediatric Nephrology, Department of Pediatrics, İstanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul, Turkey
| | - Anne-Laure Sellier-Leclerc
- Centre de Référence des Maladies Rénales Rares, Service de Néphrologie Pédiatrique, Hôpital Femme Mère Enfant, HCL, Bron Cedex, France
| | - Giuseppina Spartà
- Pediatric Nephrology, University Children's Hospital Zürich, Zurich, Switzerland
| | - Stephen D Marks
- Department of Paediatric Nephrology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Markus J Kemper
- Department of Pediatrics, Asklepios Klinik Nord Heidberg, Hamburg, Germany
| | - Sabine König
- Department of General Pediatrics, University Hospital Muenster, Muenster, Germany
| | - Rezan Topaloglu
- Department of Pediatric Nephrology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Dominik Müller
- Pediatric Nephrology, Charité Children's Hospital, Berlin, Germany
| | - Günter Klaus
- Department of Pediatrics II, University Children's Hospital, Philipps-University Marburg, Marburg, Germany
| | - Stefanie Weber
- Department of Pediatrics II, University Children's Hospital, Philipps-University Marburg, Marburg, Germany
| | - Jun Oh
- Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Uta Herden
- Department of Visceral Transplantation, University Medical Center Hamburg Eppendorf, Hamburg, Germany
| | - Andrea Carraro
- Pediatric Nephrology, Dialysis and Transplant Unit, Department of Women's and Children's Health, University Hospital of Padua, Padua, Italy
| | - Luca Dello Strologo
- Renal Transplant Unit, Bambino Gesù Children's Research Hospital IRCCS, Rome, Italy
| | - Gema Ariceta
- Division of Pediatric Nephrology, Hospital Universitari Vall d' Hebron, Barcelona, Spain
| | - Peter Hoyer
- Department of Pediatrics II, University Hospital of Essen, University of Essen-Duisburg, Essen, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children's Hospital, Heidelberg, Germany
| | - Lars Pape
- Department of Pediatrics II, University Hospital of Essen, University of Essen-Duisburg, Essen, Germany
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3
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Reijman MD, Kusters DM, Groothoff JW, Arbeiter K, Dann EJ, de Boer LM, de Ferranti SD, Gallo A, Greber-Platzer S, Hartz J, Hudgins LC, Ibarretxe D, Kayikcioglu M, Klingel R, Kolovou GD, Oh J, Planken RN, Stefanutti C, Taylan C, Wiegman A, Schmitt CP. Clinical practice recommendations on lipoprotein apheresis for children with homozygous familial hypercholesterolaemia: An expert consensus statement from ERKNet and ESPN. Atherosclerosis 2024; 392:117525. [PMID: 38598969 DOI: 10.1016/j.atherosclerosis.2024.117525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/08/2024] [Accepted: 03/19/2024] [Indexed: 04/12/2024]
Abstract
Homozygous familial hypercholesterolaemia is a life-threatening genetic condition, which causes extremely elevated LDL-C levels and atherosclerotic cardiovascular disease very early in life. It is vital to start effective lipid-lowering treatment from diagnosis onwards. Even with dietary and current multimodal pharmaceutical lipid-lowering therapies, LDL-C treatment goals cannot be achieved in many children. Lipoprotein apheresis is an extracorporeal lipid-lowering treatment, which is used for decades, lowering serum LDL-C levels by more than 70% directly after the treatment. Data on the use of lipoprotein apheresis in children with homozygous familial hypercholesterolaemia mainly consists of case-reports and case-series, precluding strong evidence-based guidelines. We present a consensus statement on lipoprotein apheresis in children based on the current available evidence and opinions from experts in lipoprotein apheresis from over the world. It comprises practical statements regarding the indication, methods, treatment goals and follow-up of lipoprotein apheresis in children with homozygous familial hypercholesterolaemia and on the role of lipoprotein(a) and liver transplantation.
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Affiliation(s)
- M Doortje Reijman
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, the Netherlands
| | - D Meeike Kusters
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, the Netherlands
| | - Jaap W Groothoff
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, the Netherlands
| | - Klaus Arbeiter
- Division of Paediatric Nephrology and Gastroenterology, Department of Paediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Eldad J Dann
- Blood Bank and Apheresis Unit Rambam Health Care Campus, Haifa, Israel
| | - Lotte M de Boer
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, the Netherlands
| | - Sarah D de Ferranti
- Department of Cardiology, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Antonio Gallo
- Sorbonne Université, INSERM, UMR 1166, Lipidology and Cardiovascular Prevention Unit, Department of Nutrition, APHP, Hôpital Pitié-Salpêtrière, F-75013, Paris, France
| | - Susanne Greber-Platzer
- Clinical Division of Paediatric Pulmonology, Allergology and Endocrinology, Department of Paediatrics and Adolescent Medicine, Medical University Vienna, Vienna, Austria
| | - Jacob Hartz
- Department of Cardiology, Boston Children's Hospital, Boston, MA, USA; Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Lisa C Hudgins
- The Rogosin Institute, Weill Cornell Medical College, New York, NY, USA
| | - Daiana Ibarretxe
- Vascular Medicine and Metabolism Unit (UVASMET), Hospital Universitari Sant Joan, Spain; Universitat Rovira i Virgili, Spain; Institut Investigació Sanitària Pere Virgili (IISPV)-CERCA, Spain; Centro de Investigación Biomédica en Red en Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Spain
| | - Meral Kayikcioglu
- Department of Cardiology, Medical Faculty, Ege University, 35100, Izmir, Turkey
| | - Reinhard Klingel
- Apheresis Research Institute, Stadtwaldguertel 77, 50935, Cologne, Germany(†)
| | - Genovefa D Kolovou
- Metropolitan Hospital, Department of Preventive Cardiology, 9, Ethn. Makariou & 1, El. Venizelou, N. Faliro, 185 47, Athens, Greece
| | - Jun Oh
- University Medical Center Hamburg/Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany
| | - R Nils Planken
- Department of Radiology and Nuclear Medicine, Amsterdam UMC, location AMC, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands; Amsterdam Cardiovascular Sciences, Atherosclerosis & Ischemic Syndromes, Amsterdam, the Netherlands
| | - Claudia Stefanutti
- Department of Molecular Medicine, Lipid Clinic and Atherosclerosis Prevention Centre, 'Umberto I' Hospital 'Sapienza' University of Rome, I-00161, Rome, Italy
| | - Christina Taylan
- Paediatric Nephrology, Children's and Adolescents' Hospital, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Albert Wiegman
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, the Netherlands.
| | - Claus Peter Schmitt
- Pediatric Nephrology, Center for Pediatric and Adolescent Medicine, University of Heidelberg, Germany
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Oh J, Kang JH, Chae HD, Yoo HJ, Hong SH, Lee DY, Choi JY. Diagnosis of osteochondral lesions of the talus on Dual-layer spectral detector CT arthrography: clinical feasibility of virtual noncontrast images. Clin Radiol 2024:S0009-9260(24)00144-2. [PMID: 38649313 DOI: 10.1016/j.crad.2024.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 04/25/2024]
Abstract
AIM To compare the image quality of virtual noncontrast (VNC) and true noncontrast (TNC) CT images and to evaluate the clinical feasibility of VNC CT images for assessing osteochondral lesions of the talus (OLTs). MATERIALS AND METHODS Forty-five OLT patients who underwent ankle CT arthrography (CTA) using dual-layer spectral detector CT were enrolled. Reconstruction of VNC and three-dimensional volume rendering images was performed. Afterward, image noise, the signal-to-noise ratio (SNR), and the contrast-to-noise ratio (CNR) were measured. For the subjective evaluation, two board-certified musculoskeletal radiologists [R2-1] assessed spatial resolution, overall image quality, and lesion conspicuity. The accuracy rate for OLT grading was determined in 23 patients who underwent arthroscopic surgery. RESULTS While VNC images showed significantly less noise than TNC images, TNC images showed better SNRs and CNRs (p<.01). In the subjective analysis, TNC images showed better overall image quality (p<.001). For the 3D volume rendering images, VNC images scored significantly higher for lesion conspicuity (p<.001). The accuracy rates of CTA and CTA with VNC images for OLT grading were 79.2% and 83.3%, respectively. Regarding confidence level, when CTA and VNC images were evaluated together, the confidence level was significantly higher than that when only CTA images were evaluated (p<.001). CONCLUSION VNC imaging can provide better confidence level of OLT grading and evaluation of the integrity of the subchondral bone plate when combined with conventional CTA without additional radiation dose to the patient. In addition, VNC images-based 3D volume rendering reconstruction would be helpful for preoperative planning in OLT patients.
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Affiliation(s)
- J Oh
- Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea
| | - J H Kang
- Department of Radiology, Konkuk University Medical Center, Seoul, Republic of Korea
| | - H-D Chae
- Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea; Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - H J Yoo
- Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea; Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - S H Hong
- Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea; Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - D Y Lee
- Department of Orthopedic Surgery, Seoul National University Hospital, Seoul, Republic of Korea
| | - J-Y Choi
- Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea; Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Stabouli S, Sommer A, Kraft S, Schweer K, Bethe D, Bertholet-Thomas A, Batte S, Ariceta G, Brengmann S, Bacchetta J, Emma F, Levtchenko E, Topaloglu R, Willem L, Haffner D, Oh J. Addressing the psychosocial aspects of transition to adult care in patients with cystinosis. Pediatr Nephrol 2024:10.1007/s00467-024-06345-1. [PMID: 38517536 DOI: 10.1007/s00467-024-06345-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/23/2024] [Accepted: 02/23/2024] [Indexed: 03/24/2024]
Abstract
Cystinosis is a rare autosomal-recessive lysosomal storage disease that progressively affects multiple organs beginning with the kidneys. Patients require lifelong multidisciplinary care for the management of kidney disease and progressive extra-renal manifestations, and thus, they are especially fragile and vulnerable during transition from pediatric to adult care. Previous documents have provided guidance to help the medical transition of these highly burdened patients. Patients and their families often experience great psychological distress and face significant social challenges; for these reasons, they often need help from psychologists, social workers, and other psychosocial professionals. Due to the rarity of the disease, most psychosocial professionals have no expertise in this disorder and require advice. To this end, a steering committee (SC) composed of six experts, including pediatric nephrologists, psychologists, and social workers with experience in the care for patients with cystinosis, have identified and addressed seven key questions related to psychosocial challenges of the disease and the burden of treatment. Ten additional international experts (the extended faculty, EF) were invited to answer these questions. Since robust evidence is lacking, as in many rare diseases, conclusions were based on collective agreement between members of the SC and the EF, and the consolidated answers were summarized into expert opinion statements. The present document contains information on the concerns and psychosocial burden of patients with cystinosis and of their caregivers, and provides practical advice for timely and appropriate support to facilitate the transition to adult care.
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Affiliation(s)
- Stella Stabouli
- 1st Department of Pediatrics, Aristotle University Thessaloniki, Hippokratio Hospital, 49 Konstantinoupoleos Str, 54642, Thessaloniki, Greece.
| | - Anna Sommer
- Department of Pediatric Nephrology, University Hamburg-Eppendorf, Hamburg, Germany
| | - Stefanie Kraft
- Department of Pediatric Nephrology, University Hamburg-Eppendorf, Hamburg, Germany
| | - Katharina Schweer
- Department of Pediatric Nephrology, University Hamburg-Eppendorf, Hamburg, Germany
| | - Dirk Bethe
- Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, University Hospital, Heidelberg, Germany
| | - Aurelia Bertholet-Thomas
- Pediatric Nephrology, Rheumatology and Dermatology Unit, Reference Center for Rare Renal Diseases, Hospices Civils de Lyon & INSERM1033 Research Unit, Hospital Femme Mere Enfant, Lyon 1 University, Lyon, France
| | - Suzanne Batte
- Children's Renal & Urology Unit, Queens Medical Centre, Nottingham, UK
| | - Gema Ariceta
- Department of Pediatric Nephrology, Hospital Vall d´Hebron, University Autonomous of Barcelona, Barcelona, Spain
| | - Sandra Brengmann
- Department of Pediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Justine Bacchetta
- Pediatric Nephrology, Rheumatology and Dermatology Unit, Reference Center for Rare Renal Diseases, Hospices Civils de Lyon & INSERM1033 Research Unit, Hospital Femme Mere Enfant, Lyon 1 University, Lyon, France
| | - Francesco Emma
- Division of Nephrology, Bambino Gesù Children's Hospital - IRCCS, Rome, Italy
| | - Elena Levtchenko
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Rezan Topaloglu
- Department of Pediatric Nephrology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Lore Willem
- Department of Child Nephrology and Organ Transplantation, Leuven University Hospital, Louvain, Belgium
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Jun Oh
- Department of Pediatric Nephrology, University Hamburg-Eppendorf, Hamburg, Germany
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Cetiner M, Bergmann C, Bettendorf M, Faust J, Gäckler A, Gillissen B, Hansen M, Kerber M, Klaus G, König J, Kühlewein L, Oh J, Richter-Unruh A, von Schnurbein J, Wabitsch M, Weihrauch-Blüher S, Pape L. [Improved Care and Treatment Options for Patients with Hyperphagia-Associated Obesity in Bardet-Biedl Syndrome]. Klin Padiatr 2024. [PMID: 38458231 DOI: 10.1055/a-2251-5382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/10/2024]
Abstract
Bardet-Biedl syndrome (BBS) is a rare, autosomal recessive multisystem disease. The pathophysiological origin is a dysfunction of the primary cilium. Clinical symptoms are heterogeneous and variable: retinal dystrophy, obesity, polydactyly, kidney abnormalities, hypogenitalism and developmental delays are the most common features. By the approval of the melanocortin 4 receptor agonist setmelanotide, a drug therapy for BBS-associated hyperphagia and obesity can be offered for the first time. Hyperphagia and severe obesity represent a considerable burden and are associated with comorbidity and increased mortality risk. Due to the limited experience with setmelanotide in BBS, a viable comprehensive therapy concept is to be presented. Therapy decision and management should be conducted in expert centers. For best therapeutic effects with setmelanotide adequate information of the patient about the modalities of the therapy (daily subcutaneous injection) and possible adverse drug events are necessary. Furthermore, the involvement of psychologists, nutritionists and nursing services (support for the application) should be considered together with the patient. The assessment of therapy response should be carried out with suitable outcome measurements and centrally reported to an adequate register.
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Affiliation(s)
- Metin Cetiner
- Department of Pediatrics II, University Hospital Essen, Essen, Germany
| | - Carsten Bergmann
- Human genetic diagnostics, Medical Genetics Mainz, Mainz, Germany
| | - Markus Bettendorf
- Pediatric Endocrinology and Diabetes, Heidelberg University Hospital Department of General Pediatrics Pediatric Neurology Metabolic Diseases Gastroenterology and Nephrology, Heidelberg, Germany
| | - Johanna Faust
- Psychiatry and psychotherapy, Max-Planck-Institute for Psychiatry, München, Germany
| | - Anja Gäckler
- Department of Nephrology, University Hospital Essen, Essen, Germany
| | - Bernarda Gillissen
- Bardet Biedl syndrome Working Group, PRO RETINA Deutschland e V, Bonn, Germany
| | - Matthias Hansen
- KFH Kidney Center for Children and Adolescents, Clementine Children's Hospital - Dr Christ'sche Foundation, Frankfurt am Main, Germany
| | - Maximilian Kerber
- Bardet Biedl syndrome Working Group, PRO RETINA Deutschland e V, Bonn, Germany
| | - Günter Klaus
- KFH Kidney Center for Children and Adolescents, University Hospitals Giessen and Marburg Campus Giessen, Marburg, Germany
| | - Jens König
- Department of General Pediatrics, University Hospital Münster, Münster, Germany
| | - Laura Kühlewein
- Department of Ophthalmology, University Hospital Tübingen Clinic of Ophthalmology, Tübingen, Germany
| | - Jun Oh
- Pediatric Nephrology, University Medical Center Hamburg-Eppendorf Department of Pediatrics, Hamburg, Germany
| | - Annette Richter-Unruh
- Department of Pediatric Endocrinology and Diabetology, University Hospital of the Ruhr University Bochum, Bochum, Germany
| | - Julia von Schnurbein
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
| | - Martin Wabitsch
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
| | | | - Lars Pape
- Department of Pediatrics II, University Hospital Essen, Essen, Germany
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7
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Karaterzi S, Tönshoff B, Ahlenstiel-Grunow T, Baghai M, Beck B, Büscher A, Eifler L, Giese T, Lezius S, Müller C, Oh J, Zapf A, Weber LT, Pape L. A multi-center interventional study to assess pharmacokinetics, effectiveness, and tolerability of prolonged-release tacrolimus after pediatric kidney transplantation: study protocol for a prospective, open-label, randomized, two-phase, two-sequence, single dose, crossover, phase III b trial. Front Nephrol 2024; 4:1331510. [PMID: 38444519 PMCID: PMC10912931 DOI: 10.3389/fneph.2024.1331510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/25/2024] [Indexed: 03/07/2024]
Abstract
Background Tacrolimus, a calcineurin inhibitor (CNI), is currently the first-line immunosuppressive agent in kidney transplantation. The therapeutic index of tacrolimus is narrow due to due to the substantial impact of minor variations in drug concentration or exposure on clinical outcomes (i.e., nephrotoxicity), and it has a highly variable intra- and inter-individual bioavailability. Non-adherence to immunosuppressants is associated with rejection after kidney transplantation, which is the main cause of long-term graft loss. Once-daily formulations have been shown to significantly improve adherence compared to twice-daily dosing. Envarsus®, the once-daily prolonged-release formulation of tacrolimus, offers the same therapeutic efficacy as the conventional twice-daily immediate-release tacrolimus formulation (Prograf®) with improved bioavailability, a more consistent pharmacokinetic profile, and a reduced peak to trough, which may reduce CNI-related toxicity. Envarsus® has been approved as an immunosuppressive therapy in adults following kidney or liver transplantation but has not yet been approved in children. The objective of this study is to evaluate the pharmacokinetic profile, efficacy, and tolerability of Envarsus® in children and adolescents aged ≥ 8 and ≤ 18 years to assess its potential role as an additional option for immunosuppressive therapy in children after kidney transplantation. Methods/design The study is designed as a randomized, prospective crossover trial. Each patient undergoes two treatment sequences: sequence 1 includes 4 weeks of Envarsus® and sequence 2 includes 4 weeks of Prograf®. Patients are randomized to either group A (sequence 1, followed by sequence 2) or group B (sequence 2, followed by sequence 1). The primary objective is to assess equivalency between total exposure (of tacrolimus area under the curve concentration (AUC0-24)), immediate-release tacrolimus (Prograf®) therapy, and prolonged-release tacrolimus (Envarsus®) using a daily dose conversion factor of 0.7 for prolonged- versus immediate-release tacrolimus. Secondary objectives are the assessment of pharmacodynamics, pharmacogenetics, adherence, gut microbiome analyses, adverse events (including tacrolimus toxicity and biopsy-proven rejections), biopsy-proven rejections, difference in estimated glomerular filtration rate (eGFR), and occurrence of donor-specific antibodies (DSAs). Discussion This study will test the hypothesis that once-daily prolonged-release tacrolimus (Envarsus®) is bioequivalent to twice-daily intermediate-release tacrolimus after pediatric kidney transplantation and may reduce toxicity and facilitate medication adherence. This novel concept may optimize immunosuppressive therapy for more stable graft function and increased graft survival by avoiding T-cell mediated and/or antibody-mediated rejection due to improved adherence. In addition, the study will provide data on the pharmacodynamics and pharmacogenetics of prolonged-release tacrolimus in children and adolescents. Clinical Trial Registration EUDRA-CT 2019-003710-13 and ClinicalTrial.gov, identifier NCT06057545.
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Affiliation(s)
- Sinem Karaterzi
- Department of Pediatrics II, University Hospital of Essen, Essen, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | | | - Maral Baghai
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
- Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Bodo Beck
- Institute of Human Genetics, University Hospital of Cologne, Cologne, Germany
| | - Anja Büscher
- Department of Pediatrics II, University Hospital of Essen, Essen, Germany
| | - Lisa Eifler
- Children’s and Adolescents’ Hospital, Pediatric Nephrology, University Hospital of Cologne, Cologne, Germany
| | - Thomas Giese
- Department of Immunology, University Hospital Heidelberg, Heidelberg, Germany
| | - Susanne Lezius
- Institute of Medical Biometry and Epidemiology, University Hospital Eppendorf, Hamburg, Germany
| | - Carsten Müller
- Pharmacology at the Laboratory Diagnostics Centre, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Jun Oh
- Department of Pediatric Nephrology and Gastroenterology, University Hospital Eppendorf, Hamburg, Germany
| | - Antonia Zapf
- Institute of Medical Biometry and Epidemiology, University Hospital Eppendorf, Hamburg, Germany
| | - Lutz T. Weber
- Children’s and Adolescents’ Hospital, Pediatric Nephrology, University Hospital of Cologne, Cologne, Germany
| | - Lars Pape
- Department of Pediatrics II, University Hospital of Essen, Essen, Germany
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8
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Mühlig AK, Schmitt CP, Oh J. The authors reply. Kidney Int 2024; 105:390. [PMID: 38245217 DOI: 10.1016/j.kint.2023.10.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 01/22/2024]
Affiliation(s)
- Anne K Mühlig
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; University Children's Research@Kinder-UKE, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; III. Department of Medicine, Nephrology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Hamburg Center for Kidney Health, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - Claus-Peter Schmitt
- Department of Pediatrics, Heidelberg University Hospital, Heidelberg, Germany
| | - Jun Oh
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; University Children's Research@Kinder-UKE, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Hamburg Center for Kidney Health, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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9
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Giannou AD, Ohm B, Zazara DE, Lücke J, Zhang T, Sabihi M, Seeger P, Oh J, Grotelüschen R, Busch P, Mann O, Hackert T, Izbicki JR, Yamada Y, Huber S, Jungraithmayr W. Protocol for orthotopic single-lung transplantation in mice as a tool for lung metastasis studies. STAR Protoc 2023; 4:102701. [PMID: 37950863 PMCID: PMC10679946 DOI: 10.1016/j.xpro.2023.102701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/04/2023] [Accepted: 10/18/2023] [Indexed: 11/13/2023] Open
Abstract
The transplantation model provides the opportunity to assess the relevance of a molecule of interest for tumor cell extravasation by using a respective genetically modified donor animal. Here, we present a protocol for orthotopic single-lung transplantation in mice as a tool for lung metastasis studies. We describe steps for animal preparation, lung transplantation, and tumor cell injection. We then detail procedures for the direct comparison of tumor cell spreading between the genetically modified left lung and the naive right lung parenchyma. For complete details on the use and execution of this protocol, please refer to Giannou et al. (2023).1.
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Affiliation(s)
- Anastasios D Giannou
- Section of Molecular Immunology and Gastroenterology, I. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.
| | - Birte Ohm
- Department of Thoracic Surgery, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg 79106, Germany
| | - Dimitra E Zazara
- Division for Experimental Feto-Maternal Medicine, Department of Obstetrics and Fetal Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; University Children's Hospital, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Jöran Lücke
- Section of Molecular Immunology and Gastroenterology, I. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Tao Zhang
- Section of Molecular Immunology and Gastroenterology, I. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Morsal Sabihi
- Section of Molecular Immunology and Gastroenterology, I. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Philipp Seeger
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Jun Oh
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Rainer Grotelüschen
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Philipp Busch
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Oliver Mann
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Thilo Hackert
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Jakob R Izbicki
- Department of General, Visceral and Thoracic Surgery, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Yoshito Yamada
- Department of Thoracic Surgery, Kyoto University Hospital, Kyoto, Japan; Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland
| | - Samuel Huber
- Section of Molecular Immunology and Gastroenterology, I. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Hamburg Center for Translational Immunology (HCTI), University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Wolfgang Jungraithmayr
- Department of Thoracic Surgery, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg 79106, Germany; Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland.
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10
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Vehreschild MJGT, Schreiber S, von Müller L, Epple HJ, Weinke T, Manthey C, Oh J, Wahler S, Stallmach A. Trends in the epidemiology of Clostridioides difficile infection in Germany. Infection 2023; 51:1695-1702. [PMID: 37162717 PMCID: PMC10170422 DOI: 10.1007/s15010-023-02044-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 04/25/2023] [Indexed: 05/11/2023]
Abstract
PURPOSES Despite reports of a declining incidence over the last decade, Clostridioides difficile infection (CDI) is still considered the most important healthcare-associated causes of diarrhea worldwide. In Germany, several measures have been taken to observe, report, and influence this development. This report aims to analyze the development of hospital coding for CDI in Germany over the last decade and to use it to estimate the public health burden caused by CDI. METHODS Reports from the Institute for Hospital Remuneration Systems, German Federal Statistical Office (DESTATIS), the Robert-Koch-Institute (RKI), Saxonian authorities and hospital quality reports during 2010-2021 were examined for CDI coding and assessed in a structured expert consultation. Analysis was performed using 2019 versions of Microsoft Excel® and Microsoft Access®. RESULTS Peaks of 32,203 cases with a primary diagnosis (PD) of CDI and 78,648 cases with a secondary diagnosis (SD) of CDI were observed in 2015. The number of cases had decreased to 15,412 PD cases (- 52.1%) and 40,188 SD cases (- 48.9%) by 2021. These results were paralleled by a similar decline in notifiable severe cases. However, average duration of hospitalization of the cases remained constant during this period. CONCLUSIONS Hospital coding of CDI and notification to authorities has approximately halved from 2015 to 2021. Potential influential factors include hospital hygiene campaigns, implementation of antibiotic stewardship programs, social distancing due to the COVID-19 pandemic, and a decrease in more pathogenic subtypes of bacteria. Further research is necessary to validate the multiple possible drivers for this development.
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Affiliation(s)
| | - Stefan Schreiber
- Department Medicine I, University Hospital Schleswig-Holstein, Christian-Albrechts-University, Rosalind-Franklin-Str. 12, 24105 Kiel, Germany
| | - Lutz von Müller
- Christophorus-Kliniken GmbH, Südring 41, 48653 Coesfeld, Germany
| | - Hans-Jörg Epple
- Charité, Universitätsmedizin Berlin, Campus Benjamin Franklin, Antibiotic Stewardship, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Thomas Weinke
- Ernst Von Bergmann Klinikum gGmbH, Charlottenstraße 72, 14467 Potsdam, Germany
| | - Carolin Manthey
- Gemeinschaftspraxis Innere Medizin (GIM), Pferdebachstr. 29, 58455 Witten, Germany
| | - Jun Oh
- Universitätsklinikum Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
| | - Steffen Wahler
- St. Bernward GmbH, Friedrich-Kirsten-Str. 40, 22391 Hamburg, Germany
| | - Andreas Stallmach
- Klinik Für Innere Medizin IV, Universitätsklinikum Jena, Am Klinikum 1, 07747 Jena, Germany
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11
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Müller S, Kluck R, Jagodzinski C, Brügelmann M, Hohenfellner K, Büscher A, Kemper MJ, Fröde K, Oh J, Billing H, Thumfart J, Weber LT, Acham-Roschitz B, Arbeiter K, Tönshoff B, Hagenberg M, Pavičić L, Haffner D, Zivicnjak M. Chest configuration in children and adolescents with infantile nephropathic cystinosis compared with other chronic kidney disease entities and its clinical determinants. Pediatr Nephrol 2023; 38:3989-3999. [PMID: 37415042 PMCID: PMC10584709 DOI: 10.1007/s00467-023-06058-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 07/08/2023]
Abstract
BACKGROUND Infantile nephropathic cystinosis (INC) is a systemic lysosomal storage disease causing intracellular cystine accumulation, resulting in renal Fanconi syndrome, progressive kidney disease (CKD), rickets, malnutrition, and myopathy. An INC-specific disproportionately diminished trunk length compared to leg length poses questions regarding the functionality of the trunk. METHODS Thus, we prospectively investigated thoracic dimensions and proportions, as well as their clinical determinants in 44 pediatric patients with INC with CKD stages 1-5 and 97 age-matched patients with CKD of other etiology between the ages of 2-17 years. A total of 92 and 221 annual measurements of patients with INC and CKD, respectively, were performed, and associations between anthropometric and clinical parameters were assessed using linear mixed-effects models. RESULTS Patients with INC exhibited altered chest dimensions that were distinct from CKD controls, characterized by markedly increased chest depth to height and chest depth to chest width ratio z-scores (> 1.0), while those of patients with CKD were only mildly affected (z-score within ± 1.0). Ratio z-scores differed significantly between both patient groups from 2-6 years of age onward. The degree of chest disproportion in INC patients was significantly associated with both the degree of CKD and tubular dysfunction (e.g., low serum phosphate and bicarbonate) across three different age groups (2-6, 7-12, and 13-17 years). CONCLUSION Our data show an INC-specific alteration in thoracic shape from early childhood onward, which is distinct from CKD of other etiologies, suggesting early childhood subclinical changes of the musculoskeletal unit of the thoracic cage, which are associated with kidney function. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Sophia Müller
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Rika Kluck
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Celina Jagodzinski
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Malina Brügelmann
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | | | - Anja Büscher
- Department of Pediatrics II, University Hospital Essen, Essen, Germany
| | | | - Kerstin Fröde
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Jun Oh
- Division of Pediatric Nephrology, University Children's Hospital Hamburg, Hamburg, Germany
| | - Heiko Billing
- Clinic for Pediatric and Adolescent Medicine, RHK Clinic Ludwigsburg, Ludwigsburg, Germany
| | - Julia Thumfart
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Lutz T Weber
- Pediatric Nephrology, Children's and Adolescents' Hospital, University of Cologne, Faculty of Medicine and University Hospital, Cologne, Germany
| | | | - Klaus Arbeiter
- Division of Pediatric Nephrology and Gastroenterology, Medical University Vienna, Vienna, Austria
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children's Hospital Heidelberg, Heidelberg, Germany
| | - Martina Hagenberg
- Children's Hospital St. Elisabeth and St. Barbara, Halle (Saale), Germany
| | | | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Miroslav Zivicnjak
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Children's Hospital, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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12
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Reijman MD, Kusters DM, Groothoff JW, Arbeiter K, Dann EJ, de Boer LM, de Ferranti SD, Gallo A, Greber-Platzer S, Hartz J, Hudgins LC, Ibarretxe D, Kayikcioglu M, Klingel R, Kolovou GD, Oh J, Planken RN, Stefanutti C, Taylan C, Wiegman A, Schmitt CP. Clinical practice recommendations on lipoprotein apheresis for children with homozygous familial hypercholesterolemia: an expert consensus statement from ERKNet and ESPN. medRxiv 2023:2023.11.14.23298547. [PMID: 38014132 PMCID: PMC10680892 DOI: 10.1101/2023.11.14.23298547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Homozygous familial hypercholesterolaemia is a life-threatening genetic condition, which causes extremely elevated LDL-C levels and atherosclerotic cardiovascular disease very early in life. It is vital to start effective lipid-lowering treatment from diagnosis onwards. Even with dietary and current multimodal pharmaceutical lipid-lowering therapies, LDL-C treatment goals cannot be achieved in many children. Lipoprotein apheresis is an extracorporeal lipid-lowering treatment, which is well established since three decades, lowering serum LDL-C levels by more than 70% per session. Data on the use of lipoprotein apheresis in children with homozygous familial hypercholesterolaemia mainly consists of case-reports and case-series, precluding strong evidence-based guidelines. We present a consensus statement on lipoprotein apheresis in children based on the current available evidence and opinions from experts in lipoprotein apheresis from over the world. It comprises practical statements regarding the indication, methods, treatment targets and follow-up of lipoprotein apheresis in children with homozygous familial hypercholesterolaemia and on the role of lipoprotein(a) and liver transplantation.
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Affiliation(s)
- M. Doortje Reijman
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, Netherlands
| | - D. Meeike Kusters
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, Netherlands
| | - Jaap W. Groothoff
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, Netherlands
| | - Klaus Arbeiter
- Division of Paediatric Nephrology and Gastroenterology, Department of Paediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Eldad J. Dann
- Blood Bank and apheresis unit Rambam Health care campus, Haifa, Israel
| | - Lotte M. de Boer
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, Netherlands
| | - Sarah D. de Ferranti
- Department of Cardiology, Boston Children’s Hospital, Boston, MA, USA, Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Antonio Gallo
- Sorbonne Université, INSERM, UMR 1166, Lipidology and cardiovascular prevention Unit, Department of Nutrition, APHP, Hôpital Pitié-Salpêtrière F-75013 Paris, France
| | - Susanne Greber-Platzer
- Clinical Division of Paediatric Pulmonology, Allergology and Endocrinology, Department of Paediatrics and Adolescent Medicine, Medical University Vienna, Vienna, Austria
| | - Jacob Hartz
- Department of Cardiology, Boston Children’s Hospital, Boston, MA, USA, Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Lisa C. Hudgins
- The Rogosin Institute, Weill Cornell Medical College, New York, New York, USA
| | - Daiana Ibarretxe
- Vascular Medicine and Metabolism Unit (UVASMET), Hospital Universitari Sant Joan; Universitat Rovira i Virgili; Institut Investigació Sanitària Pere Virgili (IISPV)-CERCA, Spain; Centro de Investigación Biomédica en Red en Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto de Salud Carlos III, Spain
| | - Meral Kayikcioglu
- Department of Cardiology, Medical Faculty, Ege University, 35100 Izmir, Turkey
| | - Reinhard Klingel
- Apheresis Research Institute, Stadtwaldguertel 77, 50935 Cologne, Germany (www.apheresis-research.org)
| | - Genovefa D. Kolovou
- Metropolitan Hospital, Department of Preventive Cardiology. 9, Ethn. Makariou & 1, El. Venizelou, N. Faliro, 185 47, Athens, Greece
| | - Jun Oh
- University Medical Center Hamburg/Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
| | - R. Nils Planken
- Department of Radiology and nuclear medicine, Amsterdam UMC, location AMC, Meibergdreef 9, 1105 AZ Amsterdam, Netherlands
- Amsterdam Cardiovascular Sciences, Atherosclerosis & Ischemic Syndromes, Amsterdam, The Netherlands
| | - Claudia Stefanutti
- Department of Molecular Medicine, Lipid Clinic and Atherosclerosis Prevention Centre, ‘Umberto I’ Hospital ‘Sapienza’ University of Rome, I-00161 Rome, Italy
| | - Christina Taylan
- Paediatric Nephrology, Children’s and Adolescents’ Hospital, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Albert Wiegman
- Amsterdam UMC, University of Amsterdam, Department of Paediatrics, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Meibergdreef 9, Amsterdam, Netherlands
| | - Claus Peter Schmitt
- Pediatric Nephrology, Center for Pediatric and Adolescent Medicine, University of Heidelberg, Germany
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Jhaveri KD, Schmidt IM, Oh J, Damashek LJ, Jain K. A Qualitative Evaluation of Advanced Training Programs in Glomerular Diseases: Results From a Program Directors' Survey. Kidney Int Rep 2023; 8:2183-2186. [PMID: 38025239 PMCID: PMC10658223 DOI: 10.1016/j.ekir.2023.08.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023] Open
Affiliation(s)
- Kenar D. Jhaveri
- Glomerular Center at Northwell Health, Division of Kidney Diseases and Hypertension, Northwell Health, Donald and Barbara Zucker School of Medicine, Great Neck, New York, USA
| | - Insa M. Schmidt
- Section of Nephrology, Boston University Chobanian and Avedisian School of Medicine, Boston Medical Center, Boston, Massachusetts, USA
- Hamburg Center for Kidney Health, University Medical Center Hamburg, Hamburg, Germany
| | - Jun Oh
- Hamburg Center for Kidney Health, University Medical Center Hamburg, Hamburg, Germany
- Division of Pediatric Nephrology, University Medical Center Hamburg, Hamburg, Germany
| | - Laurel J. Damashek
- International Society of Glomerular Disease, Florence, Massachusetts, USA
| | - Koyal Jain
- University of North Carolina Kidney Center, Division of Nephrology and Hypertension, Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
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14
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Teixeira A, Topaloglu R, Cochat P, Coppo R, Levtchenko E, Haffner D, Mahan JD, Oh J. IPNA-ESPN Junior Master Class-a decade of successful continuing education and training in pediatric nephrology. Pediatr Nephrol 2023; 38:3201-3205. [PMID: 37014529 PMCID: PMC10071458 DOI: 10.1007/s00467-023-05940-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 04/05/2023]
Affiliation(s)
- Ana Teixeira
- Pediatric Nephrology Unit, Pediatrics Department, Centro Hospitalar Universitário Do Porto, Porto, Portugal
| | - Rezan Topaloglu
- Department of Pediatric Nephrology, Hacettepe University School of Medicine, Ankara, Turkey.
| | | | - Rosanna Coppo
- Fondazione Ricerca Molinette, Regina Margherita Hospital, Turin, Italy
| | - Elena Levtchenko
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - John D Mahan
- Division of Pediatric Nephrology, The Ohio State University College of Medicine, Columbus, OH, 43209, USA
| | - Jun Oh
- Department of Pediatric Nephrology, University Medical Center Hamburg/Eppendorf, Hamburg, Germany
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15
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Witek TJ, Abolhassani F, Schwartz R, Oh J. A "Tail" of three cities. Public health and acute atrophy of vigilance. Public Health 2023; 223:e12-e13. [PMID: 36907746 PMCID: PMC10002669 DOI: 10.1016/j.puhe.2023.01.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/20/2023] [Accepted: 01/27/2023] [Indexed: 03/12/2023]
Affiliation(s)
- T J Witek
- Institute of Health Policy Management & Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario Canada.
| | | | - R Schwartz
- Institute of Health Policy Management & Evaluation, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario Canada
| | - J Oh
- Seoul National University College of Medicine, Seoul, Republic of Korea
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Baach F, Meyer B, Oh J, Lezius S, Böger R, Schwedhelm E, Choe CU, Neu A. Developmental dynamics of homoarginine, ADMA and SDMA plasma levels from birth to adolescence. Amino Acids 2023; 55:1381-1388. [PMID: 37648945 PMCID: PMC10689515 DOI: 10.1007/s00726-023-03318-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 08/15/2023] [Indexed: 09/01/2023]
Abstract
Guanidino compounds such as dimethylarginines (SDMA, ADMA) and L-homoarginine ((L-)hArg) can interfere with bioavailability and function of the main NO-donor L-arginine (L-Arg). High ADMA and SDMA but low L-hArg concentrations have been associated with cardio- and cerebrovascular events and mortality in adults. The role of guanidino compounds in paediatric patients remains less clear. We, therefore, compared guanidino compound levels in plasma samples of 57 individuals with chronic kidney disease (CKD) and 141 individuals without CKD from the age of 0 to 17 years, including patients with different comorbidities by correlation and regression analyses. We found highest hArg, SDMA and ADMA concentrations in neonates (Kruskal-Wallis, p < 0.001 for all). From the age of 1 year on, hArg levels increased, whereas SDMA und ADMA levels further decreased in children. SDMA and ADMA are higher in children with CKD independent of GFR (mean factor 1.92 and 1.38, respectively, p < 0.001 for both), and SDMA is strongly correlated with creatinine concentration in children with CKD (Spearman's rho 0.74, p < 0.001). We provide guanidino compound levels in a large sample covering all paediatric age groups for the first time. Our data can be used to assess the role of guanidino compounds such as hArg in disease states, i.e. cerebro- and cardiovascular disorders in childhood and adolescence.
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Affiliation(s)
- Florence Baach
- Department of Paediatrics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Boglarka Meyer
- Department of Paediatrics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Jun Oh
- Department of Paediatrics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Susanne Lezius
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Rainer Böger
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Edzard Schwedhelm
- Institute of Clinical Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- German Centre for Cardiovascular Research (DZHK E.V.), Partner Site Hamburg/Kiel/Lübeck, Hamburg, Germany
| | - Chi-Un Choe
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Neurology, Klinikum Itzehoe, Robert-Koch-Strasse 2, 25524, Itzehoe, Germany
| | - Axel Neu
- Department of Paediatrics, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany.
- VAMED Klinik Geesthacht, Johannes-Ritter-Strasse 100, 21502, Geesthacht, Germany.
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17
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Martin SJ, Brand-Arzamendi K, Saab G, Muccilli A, Oh J, Schneider R. GM-CSF is a marker of compartmentalised intrathecal inflammation in multiple sclerosis. Mult Scler 2023; 29:1373-1382. [PMID: 37700482 DOI: 10.1177/13524585231195861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
BACKGROUND Granulocyte-macrophage colony stimulating factor (GM-CSF) is a pro-inflammatory cytokine secreted by various immune cells. Several studies have demonstrated an expansion of GM-CSF producing T cells in the blood or CSF of people with MS (pwMS). However, whether this equates to greater concentrations of circulating cytokine remains unknown as quantification is difficult with traditional assays. OBJECTIVE To determine whether GM-CSF can be quantified and whether GM-CSF levels are elevated in pwMS. METHODS We employed Single Molecule Array (Simoa) to measure GM-CSF in both CSF and blood. We then investigated relationships between GM-CSF levels and measures of blood-CSF-barrier integrity. RESULTS GM-CSF was quantifiable in all samples and was significantly higher in the CSF of pwMS compared with controls. No association was found between CSF GM-CSF levels and Q-Albumin - a measure of blood-CSF-barrier integrity. CSF GM-CSF correlated with measures of intrathecal inflammation, and these relationships were greater in primary progressive MS compared with relapsing-remitting MS. CONCLUSION GM-CSF levels are elevated specifically in the CSF of pwMS. Our results suggest that elevated cytokine levels may reflect (at least partial) intrathecal production, as opposed to simple diffusion across a dysfunctional blood-CSF-barrier.
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Affiliation(s)
- S-J Martin
- St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science, Unity Health Toronto, Toronto, ON, Canada
| | - K Brand-Arzamendi
- St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science, Unity Health Toronto, Toronto, ON, Canada
| | - G Saab
- St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - A Muccilli
- St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - J Oh
- St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science, Unity Health Toronto, Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - R Schneider
- St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
- Keenan Research Centre for Biomedical Science, Unity Health Toronto, Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
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18
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Zhang C, Bartosova M, Marinovic I, Schwab C, Schaefer B, Vondrak K, Ariceta G, Zaloszyc A, Ranchin B, Taylan C, Büscher R, Oh J, Mehrabi A, Schmitt CP. Peritoneal transformation shortly after kidney transplantation in pediatric patients with preceding chronic peritoneal dialysis. Nephrol Dial Transplant 2023; 38:2170-2181. [PMID: 36754369 DOI: 10.1093/ndt/gfad031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND The unphysiological composition of peritoneal dialysis (PD) fluids induces progressive peritoneal fibrosis, hypervascularization and vasculopathy. Information on these alterations after kidney transplantation (KTx) is scant. METHODS Parietal peritoneal tissues were obtained from 81 pediatric patients with chronic kidney disease stage 5 (CKD5), 72 children on PD with low glucose degradation product (GDP) PD fluids, and from 20 children 4-8 weeks after KTx and preceding low-GDP PD. Tissues were analyzed by digital histomorphometry and quantitative immunohistochemistry. RESULTS While chronic PD was associated with peritoneal hypervascularization, after KTx vascularization was comparable to CKD5 level. Submesothelial CD45 counts were 40% lower compared with PD, and in multivariable analyses independently associated with microvessel density. In contrast, peritoneal mesothelial denudation, submesothelial thickness and fibrin abundance, number of activated, submesothelial fibroblasts and of mesothelial-mesenchymal transitioned cells were similar after KTx. Diffuse peritoneal podoplanin positivity was present in 40% of the transplanted patients. In subgroups matched for age, PD vintage, dialytic glucose exposure and peritonitis incidence, submesothelial hypoxia-inducible factor 1-alpha abundance and angiopoietin 1/2 ratio were lower after KTx, reflecting vessel maturation, while arteriolar and microvessel p16 and cleaved Casp3 were higher. Submesothelial mast cell count and interleukin-6 were lower, whereas transforming growth factor-beta induced pSMAD2/3 was similar as compared with children on PD. CONCLUSIONS Peritoneal membrane damage induced with chronic administration of low-GDP PD fluids was less severe after KTx. While peritoneal microvessel density, primarily defining PD transport and ultrafiltration capacity, was normal after KTx and peritoneal inflammation less pronounced, diffuse podoplanin positivity and profibrotic activity were prevalent.
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Affiliation(s)
- Conghui Zhang
- Center for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Maria Bartosova
- Center for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Iva Marinovic
- Center for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Constantin Schwab
- Institute of Pathology, University of Heidelberg, Heidelberg, Germany
| | - Betti Schaefer
- Center for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
| | - Karel Vondrak
- Department of Pediatrics, University Hospital Motol, Prague, Czech Republic
| | - Gema Ariceta
- Hospital Universitario Materno-Infantil Vall d'Hebron, Barcelona, Spain
| | - Ariane Zaloszyc
- Department of Pediatrics 1, University Hospital of Strasbourg, Strasbourg, France
| | - Bruno Ranchin
- Service de Néphrologie Pédiatrique, Hôpital Femme Mere Enfant, Lyon, France
| | - Christina Taylan
- Pediatric Nephrology, Children's and Adolescent's Hospital, University Hospital of Cologne, Cologne, Germany
| | - Rainer Büscher
- Pediatric Nephrology, University Children's Hospital, Essen, Germany
| | - Jun Oh
- Department of Pediatric Nephrology, University Children's Medical Clinic, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Arianeb Mehrabi
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Claus Peter Schmitt
- Center for Pediatric and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
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19
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Carvajal Abreu K, Loos S, Fischer L, Pape L, Wiech T, Kemper MJ, Tönshoff B, Oh J, Schild R. Case report: Early onset de novo FSGS in a child after kidney transplantation-a successful treatment. Front Pediatr 2023; 11:1280521. [PMID: 37830056 PMCID: PMC10566293 DOI: 10.3389/fped.2023.1280521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 09/14/2023] [Indexed: 10/14/2023] Open
Abstract
Background Early onset de novo focal segmental glomerular sclerosis (FSGS) in the kidney allograft in patients without FSGS in the native kidney is a rare disorder in children. It usually occurs mostly beyond the first year after kidney transplantation and often leads to graft loss. Standardized treatment protocols have not yet been established. Case description We describe a boy with early onset de novo FSGS in the transplanted kidney and non-selective glomerular proteinuria (maximum albumin-to-creatinine ratio of 3.8 g/g; normal range, ≤0.03 g/g creatinine). Manifestation occurred at 30 days posttransplant and was accompanied by a significant graft dysfunction (eGFR 61 ml/min per 1.73 m2). Treatment with 25 sessions of plasmapheresis over 14 weeks and three consecutive days of methylprednisolone pulse therapy (10 mg/kg per day) followed by oral prednisolone as rejection prophylaxis (3.73 mg/m2 per day) led to sustained remission of proteinuria (albumin-to-creatinine ratio of 0.028 g/g) and normalization of graft function (eGFR 92 ml/min per 1.73 m2) after 14 weeks. The follow-up period was 36 months. Conclusions This case underlines the efficacy of immunosuppressive and antibody eliminating therapy in early onset de novo FSGS after kidney transplantation.
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Affiliation(s)
- Karla Carvajal Abreu
- Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sebastian Loos
- Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lutz Fischer
- Department of Hepatobiliary Surgery and Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lars Pape
- Department of Pediatrics II, University Hospital of Essen, University of Essen-Duisburg, Essen, Germany
| | - Thorsten Wiech
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Markus J. Kemper
- Department of Pediatrics, Asklepios Klinik Nord-Heidberg, Hamburg, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Jun Oh
- Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Raphael Schild
- Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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20
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Yang H, Kim MS, Rhee SY, Lee J, Cho W, Min C, Lee SW, Shin JI, Oh J, Choi Y, Lee JH, Kim H, Rahmati M, Yeo SG, Yon DK. National prevalence and socioeconomic factors associated with the acceptance of COVID-19 vaccines in South Korea: a large-scale representative study in 2021. Eur Rev Med Pharmacol Sci 2023; 27:8943-8951. [PMID: 37782203 DOI: 10.26355/eurrev_202309_33815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
OBJECTIVE Among the global efforts toward preventing the COVID-19 pandemic, vaccines are a pivotal factor in ending the pandemic. Thus, through a large-scale population-based study, we investigated the individual-, social-, and family-associated factors affecting the acceptance of COVID-19 vaccines in South Korea. PATIENTS AND METHODS Data were obtained from a nationwide representative study (Korea Community Health) conducted in 2021. To determine the individual-, social-, and family-associated variables for COVID-19 vaccination acceptance, we investigated data from 225,319 individuals. RESULTS In the total sample (n=225,319), 184,529 COVID-19-vaccinated people and 40,790 non-vaccinated people were evaluated. The factors related to the acceptance of COVID-19 vaccination were significantly associated with the demographic factors, namely, older age group, female sex, and a history of influenza vaccination, as well as medical conditions such as diabetes, hypertension, and depression. Socioeconomic conditions influencing the acceptance of COVID-19 vaccination were significantly associated with low-income families and blue-collar workers. Health-related risk factors were high in the obese group. However, a noteworthy negative association was found between the acceptance of vaccination and smoking habits and alcohol consumption. Conversely, a positive association was observed between academic level and vaccination acceptance. CONCLUSIONS Our findings suggest that old age, female sex, a history of influenza vaccination, medical conditions, such as diabetes, hypertension, and depression, low-income families, blue-collar workers, and health-related risk factors, such as obesity, were associated with the acceptance of COVID-19 vaccination. Additionally, a high academic level, absence of smoking habits, and non-current alcohol use were positively associated with vaccine acceptance.
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Affiliation(s)
- H Yang
- Department of Regulatory Science, Kyung Hee University, Seoul, South Korea.
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21
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Junge N, Hentschel H, Krebs-Schmitt D, Stalke A, Pfister ED, Hartleben B, Claßen M, Querfurt A, Münch V, Bufler P, Oh J, Grabhorn E. Mild Crigler-Najjar Syndrome with Progressive Liver Disease-A Multicenter Retrospective Cohort Study. Children (Basel) 2023; 10:1431. [PMID: 37761392 PMCID: PMC10527646 DOI: 10.3390/children10091431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 09/29/2023]
Abstract
Crigler-Najjar Syndrome (CNS) with residual activity of UDP-glucuronosyltransferase 1A1 (UGT1A1) and no need for daily phototherapy is called mild Crigler-Najjar Syndrome. Most of these patients need medical treatment for enzyme induction (phenobarbital) to lower blood levels of unconjugated bilirubin (UCB). Apart from this, no long-term problems have been described so far. The phenotype of patients with the homozygous pathogenic variant c.115C>G p.(His39Asp) in UGT1A1 is described as variable. Clinical observations of our patients led to the assumption that patients with variant c.115C>G have a mild CNS phenotype while having a high risk of developing progressive liver disease. For mild CNS disease, progressive liver disease has not been described so far. Therefore, we conducted a retrospective multicenter analysis of 14 patients with this particular variant, aiming for better characterization of this variant. We could confirm that patients with variant c.115C>G have a high risk of progressive liver disease (seven of fourteen), which increases with age despite having a very mild CNS phenotype. Earlier predictors and causes for an unfavorable disease course are not detectable, but close follow-up could identify patients with progressive liver disease at the beginning. In conclusion, these patients need close and specialized follow-up. Our study questions whether fibrosis in the CNS is really driven by high amounts of UCB or phototherapy.
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Affiliation(s)
- Norman Junge
- Department of Pediatric Kidney, Liver, and Metabolic Diseases, Hannover Medical School, 30626 Hannover, Germany; (A.S.); (E.-D.P.)
| | - Hanna Hentschel
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (H.H.); (D.K.-S.); (J.O.); (E.G.)
| | - Dorothee Krebs-Schmitt
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (H.H.); (D.K.-S.); (J.O.); (E.G.)
| | - Amelie Stalke
- Department of Pediatric Kidney, Liver, and Metabolic Diseases, Hannover Medical School, 30626 Hannover, Germany; (A.S.); (E.-D.P.)
- Department of Human Genetics, Hannover Medical School, 30625 Hannover, Germany
| | - Eva-Doreen Pfister
- Department of Pediatric Kidney, Liver, and Metabolic Diseases, Hannover Medical School, 30626 Hannover, Germany; (A.S.); (E.-D.P.)
| | - Björn Hartleben
- Institute of Pathology, Hannover Medical School, 30626 Hannover, Germany;
| | - Martin Claßen
- Prof.-Hess-Childrens Hospital, Klinikum Bremen Mitte, Gesundheit Nord GmbH, 28205 Bremen, Germany; (M.C.); (A.Q.)
| | - Alexander Querfurt
- Prof.-Hess-Childrens Hospital, Klinikum Bremen Mitte, Gesundheit Nord GmbH, 28205 Bremen, Germany; (M.C.); (A.Q.)
| | - Veronika Münch
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité Universitätsmedizin Berlin, 10117 Berlin, Germany; (V.M.); (P.B.)
| | - Philip Bufler
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité Universitätsmedizin Berlin, 10117 Berlin, Germany; (V.M.); (P.B.)
| | - Jun Oh
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (H.H.); (D.K.-S.); (J.O.); (E.G.)
| | - Enke Grabhorn
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany; (H.H.); (D.K.-S.); (J.O.); (E.G.)
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22
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Vila-Farres X, Sauve K, Oh J, Swift S, DeJonge B, Ambler JE, Schuch R. Rapid bacteriolysis of Staphylococcus aureus by lysin exebacase. Microbiol Spectr 2023; 11:e0190623. [PMID: 37561151 PMCID: PMC10580946 DOI: 10.1128/spectrum.01906-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 07/05/2023] [Indexed: 08/11/2023] Open
Abstract
Lysins (peptidoglycan hydrolases) are promising new protein-based antimicrobial candidates under development to address rising antibiotic resistance encountered among pathogenic bacteria. Exebacase is an antistaphylococcal lysin and the first member of the lysin class to have entered clinical trials in the United States. In this study, the bacteriolytic activity of exebacase was characterized with time-kill assays, turbidity reduction assays, and microscopy. Three methicillin-susceptible Staphylococcus aureus and three methicillin-resistant S. aureus isolates were tested in time-kill assays over a range of concentrations from 0.25 to 8 × MIC. Exebacase demonstrated a concentration-dependent killing and showed bactericidal activity (≥3 log10 kill achieved relative to the starting inoculum) within 3 h at 1 × MIC against all strains tested. Dose-dependent lysis by exebacase was, furthermore, observed in the turbidity reduction assay, wherein decreases in initial OD600 of 50% were observed within ~15 min at concentrations as low as 4 µg/mL. Membrane dissolution, loss of cytoplasmic material, and lysis were confirmed by video and electron microscopy. The demonstrated rapid bacteriolytic effect of exebacase is an important distinguishing feature of this novel modality. IMPORTANCE To guide the development of an investigational new antibacterial entity, microbiological data are required to evaluate the killing kinetics against target organism(s). Exebacase is a lysin (peptidoglycan hydrolase) that represents a novel antimicrobial modality based on degradation of the cell wall of Staphylococcus aureus. Killing by exebacase was determined in multiple assay formats including time-kill assays, wherein reductions of viability of ≥3 log10 colony-forming units/mL were observed within 3 h for multiple different isolates tested, consistent with very rapid bactericidal activity. Rapid reductions in optical density were likewise observed in exebacase-treated cultures, which were visually consistent with microscopic observations of rapid lysis. Overall, exebacase provides a novel antimicrobial modality against S. aureus, characterized by a rapid cidal and lytic activity.
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Affiliation(s)
| | - Karen Sauve
- ContraFect Corporation, Yonkers, New York, USA
| | - Jun Oh
- Janssen Pharmaceuticals, Brisbane, California, USA
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23
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Kanzelmeyer NK, Weigel F, Boeckenhauer J, Haffner D, Oh J, Schild R. Impact of the COVID-19 pandemic on body mass index in children and adolescents after kidney transplantation. Pediatr Nephrol 2023; 38:2801-2808. [PMID: 36862251 PMCID: PMC9979889 DOI: 10.1007/s00467-023-05902-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 01/31/2023] [Accepted: 01/31/2023] [Indexed: 03/03/2023]
Abstract
BACKGROUND The coronavirus SARS-CoV-2 disease (COVID-19) pandemic affected lifestyles and resulted in significant weight gain in the general population. Its impact on children after kidney transplantation (KTx) is unknown. METHODS We retrospectively evaluated body mass index (BMI) z-scores during the COVID-19 pandemic in 132 pediatric KTx patients, followed-up at three German hospitals. Among those, serial blood pressure measurements were available for 104 patients. Lipid measurements were available from 74 patients. Patients were categorized according to gender and age group, i.e., children versus adolescents. Data were analyzed by a linear mixed model approach. RESULTS Before the COVID-19 pandemic, female adolescents presented with higher mean BMI z-scores compared to male adolescents (difference: - 1.05, 95% CI - 1.86 to - 0.24, p = 0.004). No other significant differences could be observed among the other groups. During the COVID-19 pandemic, the mean BMI z-score increased in adolescents (difference: male, 0.23, 95% CI 0.18 to 0.28; female 0.21, 95% CI 0.14 to 0.29, each p < 0.001), but not in children. The BMI z-score was associated with adolescent age, and with the combination of adolescent age, female gender, and the duration of the pandemic (each p < 0.05). During the COVID-19 pandemic, the mean systolic blood pressure z-score significantly increased in female adolescents (difference: 0.47, 95% CI 0.46 to 0.49). CONCLUSIONS During the COVID-19 pandemic, adolescents in particular showed a significant increase in their BMI z-score after KTx. Additionally, an increase in systolic blood pressure was associated with female adolescents. The findings suggest additional cardiovascular risks in this cohort. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Nele Kirsten Kanzelmeyer
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany.
| | - Friederike Weigel
- Division of Pediatric Nephrology, University Children's Hospital, Jena, Germany
| | - Johannes Boeckenhauer
- Division of Pediatric Nephrology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany
| | - Jun Oh
- Division of Pediatric Nephrology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Raphael Schild
- Division of Pediatric Nephrology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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24
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Lalia JK, Schild R, Lütgehetmann M, Dunay GA, Kallinich T, Kobbe R, Massoud M, Oh J, Pietzsch L, Schulze-Sturm U, Schuetz C, Sibbertsen F, Speth F, Thieme S, Witkowski M, Berner R, Muntau AC, Gersting SW, Toepfner N, Pagel J, Paul K. Reduced Humoral and Cellular Immune Response to Primary COVID-19 mRNA Vaccination in Kidney Transplanted Children Aged 5-11 Years. Viruses 2023; 15:1553. [PMID: 37515239 PMCID: PMC10384144 DOI: 10.3390/v15071553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
The situation of limited data concerning the response to COVID-19 mRNA vaccinations in immunocom-promised children hinders evidence-based recommendations. This prospective observational study investigated humoral and T cell responses after primary BNT162b2 vaccination in secondary immunocompromised and healthy children aged 5-11 years. Participants were categorized as: children after kidney transplantation (KTx, n = 9), proteinuric glomerulonephritis (GN, n = 4) and healthy children (controls, n = 8). Expression of activation-induced markers and cytokine secretion were determined to quantify the T cell response from PBMCs stimulated with peptide pools covering the spike glycoprotein of SARS-CoV-2 Wuhan Hu-1 and Omicron BA.5. Antibodies against SARS-CoV-2 spike receptor-binding domain were quantified in serum. Seroconversion was detected in 56% of KTx patients and in 100% of the GN patients and controls. Titer levels were significantly higher in GN patients and controls than in KTx patients. In Ktx patients, the humoral response increased after a third immunization. No differences in the frequency of antigen-specific CD4+ and CD8+ T cells between all groups were observed. T cells showed a predominant anti-viral capacity in their secreted cytokines; however, this capacity was reduced in KTx patients. This study provides missing evidence concerning the humoral and T cell response in immunocompromised children after COVID-19 vaccination.
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Affiliation(s)
- Jasmin K Lalia
- University Children's Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Raphael Schild
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Marc Lütgehetmann
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Inhoffenstr. 7, 38124 Brauschweig, Germany
| | - Gabor A Dunay
- University Children's Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Tilmann Kallinich
- Department of Pediatric Respiratory Medicine, Immunology and Critical Care Medicine, Charité University Medicine Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Robin Kobbe
- Institute for Infection Research and Vaccine Development (IIRVD), University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
- Department of Infectious Disease Epidemiology, Bernhard-Nocht-Institute for Tropical Medicine, Bernhard-Nocht-Straße 74, 20359 Hamburg, Germany
| | - Mona Massoud
- Therapeutic Gene Regulation, Deutsches Rheuma-Forschungszentrum (DRFZ), An Institute of the Leibniz Association, Charitéplatz 1, 10117 Berlin, Germany
| | - Jun Oh
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Leonora Pietzsch
- Department of Pediatrics, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Ulf Schulze-Sturm
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Catharina Schuetz
- Department of Pediatrics, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Freya Sibbertsen
- University Children's Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Fabian Speth
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Sebastian Thieme
- Department of Pediatrics, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Mario Witkowski
- Institute of Microbiology, Infectious Diseases and Immunology, Laboratory of Innate Immunity, Charité University Medicine Berlin, Charitéplatz 1, 10117 Berlin, Germany
- Mucosal and Developmental Immunology, Deutsches Rheuma-Forschungszentrum (DRFZ), An Institute of the Leibniz Association, Charitéplatz 1, 10117 Berlin, Germany
| | - Reinhard Berner
- Department of Pediatrics, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Ania C Muntau
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Søren W Gersting
- University Children's Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Nicole Toepfner
- Department of Pediatrics, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Fetscherstraße 74, 01307 Dresden, Germany
| | - Julia Pagel
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Inhoffenstr. 7, 38124 Brauschweig, Germany
- Division of Pediatric Stem Cell Transplantation, Immunology and Rheumatology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Kevin Paul
- University Children's Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
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Abdulameer NJ, Acharya U, Adare A, Aidala C, Ajitanand NN, Akiba Y, Akimoto R, Alfred M, Apadula N, Aramaki Y, Asano H, Atomssa ET, Awes TC, Azmoun B, Babintsev V, Bai M, Bandara NS, Bannier B, Barish KN, Bathe S, Bazilevsky A, Beaumier M, Beckman S, Belmont R, Berdnikov A, Berdnikov Y, Bichon L, Black D, Blankenship B, Bok JS, Borisov V, Boyle K, Brooks ML, Bryslawskyj J, Buesching H, Bumazhnov V, Campbell S, Canoa Roman V, Chen CH, Chiu M, Chi CY, Choi IJ, Choi JB, Chujo T, Citron Z, Connors M, Corliss R, Corrales Morales Y, Csanád M, Csörgő T, Datta A, Daugherity MS, David G, Dean CT, DeBlasio K, Dehmelt K, Denisov A, Deshpande A, Desmond EJ, Ding L, Dion A, Doomra V, Do JH, Drees A, Drees KA, Durham JM, Durum A, En'yo H, Enokizono A, Esha R, Fadem B, Fan W, Feege N, Fields DE, Finger M, Finger M, Firak D, Fitzgerald D, Fokin SL, Frantz JE, Franz A, Frawley AD, Gallus P, Gal C, Garg P, Ge H, Giles M, Giordano F, Glenn A, Goto Y, Grau N, Greene SV, Grosse Perdekamp M, Gunji T, Guragain H, Gu Y, Hachiya T, Haggerty JS, Hahn KI, Hamagaki H, Hanks J, Han SY, Harvey M, Hasegawa S, Hemmick TK, He X, Hill JC, Hodges A, Hollis RS, Homma K, Hong B, Hoshino T, Huang J, Ikeda Y, Imai K, Imazu Y, Inaba M, Iordanova A, Isenhower D, Ivanishchev D, Jacak BV, Jeon SJ, Jezghani M, Jiang X, Ji Z, Johnson BM, Joo E, Joo KS, Jouan D, Jumper DS, Kang JH, Kang JS, Kawall D, Kazantsev AV, Key JA, Khachatryan V, Khanzadeev A, Khatiwada A, Kihara K, Kim C, Kim DH, Kim DJ, Kim EJ, Kim HJ, Kim M, Kim T, Kim YK, Kincses D, Kingan A, Kistenev E, Klatsky J, Kleinjan D, Kline P, Koblesky T, Kofarago M, Koster J, Kotov D, Kovacs L, Kurgyis B, Kurita K, Kurosawa M, Kwon Y, Lajoie JG, Larionova D, Lebedev A, Lee KB, Lee SH, Leitch MJ, Leitgab M, Lewis NA, Lim SH, Liu MX, Li X, Loomis DA, Lynch D, Lökös S, Majoros T, Makdisi YI, Makek M, Manion A, Manko VI, Mannel E, McCumber M, McGaughey PL, McGlinchey D, McKinney C, Meles A, Mendoza M, Meredith B, Miake Y, Mignerey AC, Miller AJ, Milov A, Mishra DK, Mitchell JT, Mitrankova M, Mitrankov I, Miyasaka S, Mizuno S, Mondal MM, Montuenga P, Moon T, Morrison DP, Moukhanova TV, Muhammad A, Mulilo B, Murakami T, Murata J, Mwai A, Nagamiya S, Nagle JL, Nagy MI, Nakagawa I, Nakagomi H, Nakano K, Nattrass C, Nelson S, Netrakanti PK, Nihashi M, Niida T, Nouicer R, Novitzky N, Nukazuka G, Nyanin AS, O'Brien E, Ogilvie CA, Oh J, Orjuela Koop JD, Orosz M, Osborn JD, Oskarsson A, Ozawa K, Pak R, Pantuev V, Papavassiliou V, Park JS, Park S, Patel L, Patel M, Pate SF, Peng JC, Peng W, Perepelitsa DV, Perera GDN, Peressounko DY, PerezLara CE, Perry J, Petti R, Pinkenburg C, Pinson R, Pisani RP, Potekhin M, Pun A, Purschke ML, Radzevich PV, Rak J, Ramasubramanian N, Ravinovich I, Read KF, Reynolds D, Riabov V, Riabov Y, Richford D, Riveli N, Roach D, Rolnick SD, Rosati M, Rowan Z, Rubin JG, Runchey J, Saito N, Sakaguchi T, Sako H, Samsonov V, Sarsour M, Sato S, Sawada S, Schaefer B, Schmoll BK, Sedgwick K, Seele J, Seidl R, Sen A, Seto R, Sett P, Sexton A, Sharma D, Shein I, Shibata M, Shibata TA, Shigaki K, Shimomura M, Shi Z, Shukla P, Sickles A, Silva CL, Silvermyr D, Singh BK, Singh CP, Singh V, Slunečka M, Smith KL, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Stankus PW, Stepanov M, Stoll SP, Sugitate T, Sukhanov A, Sumita T, Sun J, Sun Z, Sziklai J, Takahama R, Takahara A, Taketani A, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Timilsina A, Todoroki T, Tomášek M, Torii H, Towell M, Towell R, Towell RS, Tserruya I, Ueda Y, Ujvari B, van Hecke HW, Vargyas M, Velkovska J, Virius M, Vrba V, Vznuzdaev E, Wang XR, Wang Z, Watanabe D, Watanabe Y, Watanabe YS, Wei F, Whitaker S, Wolin S, Wong CP, Woody CL, Wysocki M, Xia B, Xue L, Yalcin S, Yamaguchi YL, Yanovich A, Yoon I, Younus I, Yushmanov IE, Zajc WA, Zelenski A, Zou L. Measurement of Direct-Photon Cross Section and Double-Helicity Asymmetry at sqrt[s]=510 GeV in p[over →]+p[over →] Collisions. Phys Rev Lett 2023; 130:251901. [PMID: 37418716 DOI: 10.1103/physrevlett.130.251901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 11/04/2022] [Accepted: 04/28/2023] [Indexed: 07/09/2023]
Abstract
We present measurements of the cross section and double-helicity asymmetry A_{LL} of direct-photon production in p[over →]+p[over →] collisions at sqrt[s]=510 GeV. The measurements have been performed at midrapidity (|η|<0.25) with the PHENIX detector at the Relativistic Heavy Ion Collider. At relativistic energies, direct photons are dominantly produced from the initial quark-gluon hard scattering and do not interact via the strong force at leading order. Therefore, at sqrt[s]=510 GeV, where leading-order-effects dominate, these measurements provide clean and direct access to the gluon helicity in the polarized proton in the gluon-momentum-fraction range 0.02<x<0.08, with direct sensitivity to the sign of the gluon contribution.
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Affiliation(s)
- N J Abdulameer
- Debrecen University, H-4010 Debrecen, Egyetem tér 1, Hungary
| | - U Acharya
- Georgia State University, Atlanta, Georgia 30303, USA
| | - A Adare
- University of Colorado, Boulder, Colorado 80309, USA
| | - C Aidala
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA
| | - N N Ajitanand
- Chemistry Department, Stony Brook University, SUNY, Stony Brook, New York 11794-3400, USA
| | - Y Akiba
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - R Akimoto
- Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - M Alfred
- Department of Physics and Astronomy, Howard University, Washington, D.C. 20059, USA
| | - N Apadula
- Iowa State University, Ames, Iowa 50011, USA
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - Y Aramaki
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
| | - H Asano
- Kyoto University, Kyoto 606-8502, Japan
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
| | - E T Atomssa
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - T C Awes
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - B Azmoun
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - V Babintsev
- IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino 142281, Russia
| | - M Bai
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - N S Bandara
- Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003-9337, USA
| | - B Bannier
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - K N Barish
- University of California-Riverside, Riverside, California 92521, USA
| | - S Bathe
- Baruch College, City University of New York, New York, New York 10010, USA
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - A Bazilevsky
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - M Beaumier
- University of California-Riverside, Riverside, California 92521, USA
| | - S Beckman
- University of Colorado, Boulder, Colorado 80309, USA
| | - R Belmont
- University of Colorado, Boulder, Colorado 80309, USA
- Physics and Astronomy Department, University of North Carolina at Greensboro, Greensboro, North Carolina 27412, USA
| | - A Berdnikov
- Saint Petersburg State Polytechnic University, St. Petersburg 195251 Russia
| | - Y Berdnikov
- Saint Petersburg State Polytechnic University, St. Petersburg 195251 Russia
| | - L Bichon
- Vanderbilt University, Nashville, Tennessee 37235, USA
| | - D Black
- University of California-Riverside, Riverside, California 92521, USA
| | - B Blankenship
- Vanderbilt University, Nashville, Tennessee 37235, USA
| | - J S Bok
- New Mexico State University, Las Cruces, New Mexico 88003, USA
| | - V Borisov
- Saint Petersburg State Polytechnic University, St. Petersburg 195251 Russia
| | - K Boyle
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - M L Brooks
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - J Bryslawskyj
- Baruch College, City University of New York, New York, New York 10010, USA
- University of California-Riverside, Riverside, California 92521, USA
| | - H Buesching
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - V Bumazhnov
- IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino 142281, Russia
| | - S Campbell
- Columbia University, New York, New York 10027 and Nevis Laboratories, Irvington, New York 10533, USA
- Iowa State University, Ames, Iowa 50011, USA
| | - V Canoa Roman
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - C-H Chen
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - M Chiu
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - C Y Chi
- Columbia University, New York, New York 10027 and Nevis Laboratories, Irvington, New York 10533, USA
| | - I J Choi
- University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - J B Choi
- Jeonbuk National University, Jeonju, 54896, Korea
| | - T Chujo
- Tomonaga Center for the History of the Universe, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
| | - Z Citron
- Weizmann Institute, Rehovot 76100, Israel
| | - M Connors
- Georgia State University, Atlanta, Georgia 30303, USA
| | - R Corliss
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | | | - M Csanád
- ELTE, Eötvös Loránd University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary
| | - T Csörgő
- MATE, Laboratory of Femtoscopy, Károly Róbert Campus, H-3200 Gyöngyös, Mátraiút 36, Hungary
- Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Hungarian Academy of Sciences (Wigner RCP, RMKI) H-1525 Budapest 114, P.O. Box 49, Budapest, Hungary
| | - A Datta
- University of New Mexico, Albuquerque, New Mexico 87131, USA
| | | | - G David
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - C T Dean
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - K DeBlasio
- University of New Mexico, Albuquerque, New Mexico 87131, USA
| | - K Dehmelt
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - A Denisov
- IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino 142281, Russia
| | - A Deshpande
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - E J Desmond
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - L Ding
- Iowa State University, Ames, Iowa 50011, USA
| | - A Dion
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - V Doomra
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - J H Do
- Yonsei University, IPAP, Seoul 120-749, Korea
| | - A Drees
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - K A Drees
- Collider-Accelerator Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - J M Durham
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - A Durum
- IHEP Protvino, State Research Center of Russian Federation, Institute for High Energy Physics, Protvino 142281, Russia
| | - H En'yo
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
| | - A Enokizono
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
- Physics Department, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - R Esha
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - B Fadem
- Muhlenberg College, Allentown, Pennsylvania 18104-5586, USA
| | - W Fan
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - N Feege
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - D E Fields
- University of New Mexico, Albuquerque, New Mexico 87131, USA
| | - M Finger
- Charles University, Faculty of Mathematics and Physics, 180 00 Troja, Prague, Czech Republic
| | - M Finger
- Charles University, Faculty of Mathematics and Physics, 180 00 Troja, Prague, Czech Republic
| | - D Firak
- Debrecen University, H-4010 Debrecen, Egyetem tér 1, Hungary
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - D Fitzgerald
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA
| | - S L Fokin
- National Research Center "Kurchatov Institute," Moscow 123098, Russia
| | - J E Frantz
- Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA
| | - A Franz
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - A D Frawley
- Florida State University, Tallahassee, Florida 32306, USA
| | - P Gallus
- Czech Technical University, Zikova 4, 166 36 Prague 6, Czech Republic
| | - C Gal
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - P Garg
- Department of Physics, Banaras Hindu University, Varanasi 221005, India
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - H Ge
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - M Giles
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - F Giordano
- University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - A Glenn
- Lawrence Livermore National Laboratory, Livermore, California 94550, USA
| | - Y Goto
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - N Grau
- Department of Physics, Augustana University, Sioux Falls, South Dakota 57197, USA
| | - S V Greene
- Vanderbilt University, Nashville, Tennessee 37235, USA
| | | | - T Gunji
- Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - H Guragain
- Georgia State University, Atlanta, Georgia 30303, USA
| | - Y Gu
- Chemistry Department, Stony Brook University, SUNY, Stony Brook, New York 11794-3400, USA
| | - T Hachiya
- Nara Women's University, Kita-uoya Nishi-machi Nara 630-8506, Japan
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
- RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - J S Haggerty
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - K I Hahn
- Ewha Womans University, Seoul 120-750, Korea
| | - H Hamagaki
- Center for Nuclear Study, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - J Hanks
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - S Y Han
- Ewha Womans University, Seoul 120-750, Korea
- Korea University, Seoul 02841, Korea
| | - M Harvey
- Texas Southern University, Houston, Texas 77004, USA
| | - S Hasegawa
- Advanced Science Research Center, Japan Atomic Energy Agency, 2-4 Shirakata Shirane, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195, Japan
| | - T K Hemmick
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - X He
- Georgia State University, Atlanta, Georgia 30303, USA
| | - J C Hill
- Iowa State University, Ames, Iowa 50011, USA
| | - A Hodges
- Georgia State University, Atlanta, Georgia 30303, USA
- University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - R S Hollis
- University of California-Riverside, Riverside, California 92521, USA
| | - K Homma
- Hiroshima University, Kagamiyama, Higashi-Hiroshima 739-8526, Japan
| | - B Hong
- Korea University, Seoul 02841, Korea
| | - T Hoshino
- Hiroshima University, Kagamiyama, Higashi-Hiroshima 739-8526, Japan
| | - J Huang
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - Y Ikeda
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
| | - K Imai
- Advanced Science Research Center, Japan Atomic Energy Agency, 2-4 Shirakata Shirane, Tokai-mura, Naka-gun, Ibaraki-ken 319-1195, Japan
| | - Y Imazu
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
| | - M Inaba
- Tomonaga Center for the History of the Universe, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
| | - A Iordanova
- University of California-Riverside, Riverside, California 92521, USA
| | - D Isenhower
- Abilene Christian University, Abilene, Texas 79699, USA
| | - D Ivanishchev
- PNPI, Petersburg Nuclear Physics Institute, Gatchina, Leningrad region 188300, Russia
| | - B V Jacak
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - S J Jeon
- Myongji University, Yongin, Kyonggido 449-728, Korea
| | - M Jezghani
- Georgia State University, Atlanta, Georgia 30303, USA
| | - X Jiang
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - Z Ji
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - B M Johnson
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
- Georgia State University, Atlanta, Georgia 30303, USA
| | - E Joo
- Korea University, Seoul 02841, Korea
| | - K S Joo
- Myongji University, Yongin, Kyonggido 449-728, Korea
| | - D Jouan
- IPN-Orsay, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, BP1, F-91406 Orsay, France
| | - D S Jumper
- University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - J H Kang
- Yonsei University, IPAP, Seoul 120-749, Korea
| | - J S Kang
- Hanyang University, Seoul 133-792, Korea
| | - D Kawall
- Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003-9337, USA
| | - A V Kazantsev
- National Research Center "Kurchatov Institute," Moscow 123098, Russia
| | - J A Key
- University of New Mexico, Albuquerque, New Mexico 87131, USA
| | - V Khachatryan
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - A Khanzadeev
- PNPI, Petersburg Nuclear Physics Institute, Gatchina, Leningrad region 188300, Russia
| | - A Khatiwada
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - K Kihara
- Tomonaga Center for the History of the Universe, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
| | - C Kim
- Korea University, Seoul 02841, Korea
| | - D H Kim
- Ewha Womans University, Seoul 120-750, Korea
| | - D J Kim
- Helsinki Institute of Physics and University of Jyväskylä, P.O.Box 35, FI-40014 Jyväskylä, Finland
| | - E-J Kim
- Jeonbuk National University, Jeonju, 54896, Korea
| | - H-J Kim
- Yonsei University, IPAP, Seoul 120-749, Korea
| | - M Kim
- Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea
| | - T Kim
- Ewha Womans University, Seoul 120-750, Korea
| | - Y K Kim
- Hanyang University, Seoul 133-792, Korea
| | - D Kincses
- ELTE, Eötvös Loránd University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary
| | - A Kingan
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - E Kistenev
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973-5000, USA
| | - J Klatsky
- Florida State University, Tallahassee, Florida 32306, USA
| | - D Kleinjan
- University of California-Riverside, Riverside, California 92521, USA
| | - P Kline
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - T Koblesky
- University of Colorado, Boulder, Colorado 80309, USA
| | - M Kofarago
- ELTE, Eötvös Loránd University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary
- Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Hungarian Academy of Sciences (Wigner RCP, RMKI) H-1525 Budapest 114, P.O. Box 49, Budapest, Hungary
| | - J Koster
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| | - D Kotov
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| | - L Kovacs
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| | - B Kurgyis
- ELTE, Eötvös Loránd University, H-1117 Budapest, Pázmány P. s. 1/A, Hungary
| | - K Kurita
- Physics Department, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima, Tokyo 171-8501, Japan
| | - M Kurosawa
- RIKEN Nishina Center for Accelerator-Based Science, Wako, Saitama 351-0198, Japan
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| | - Y Kwon
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| | - J G Lajoie
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| | - D Larionova
- Saint Petersburg State Polytechnic University, St. Petersburg 195251 Russia
| | - A Lebedev
- Iowa State University, Ames, Iowa 50011, USA
| | - K B Lee
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - S H Lee
- Iowa State University, Ames, Iowa 50011, USA
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA
- Department of Physics and Astronomy, Stony Brook University, SUNY, Stony Brook, New York 11794-3800, USA
| | - M J Leitch
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
| | - M Leitgab
- University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - N A Lewis
- Department of Physics, University of Michigan, Ann Arbor, Michigan 48109-1040, USA
| | - S H Lim
- Pusan National University, Pusan 46241, Korea
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| | - M X Liu
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| | - X Li
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| | - D A Loomis
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| | - D Lynch
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| | - S Lökös
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| | - T Majoros
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| | - Y I Makdisi
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| | - M Makek
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| | - A Manion
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| | - V I Manko
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| | - A Meles
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| | - M Mendoza
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| | - B Meredith
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| | - Y Miake
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| | - A C Mignerey
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| | - A J Miller
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| | - A Milov
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| | - D K Mishra
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| | - J T Mitchell
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| | - M Mitrankova
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| | - S Miyasaka
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| | - S Mizuno
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| | - M M Mondal
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| | - P Montuenga
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| | - T Moon
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| | - D P Morrison
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| | - T V Moukhanova
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| | - A Muhammad
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| | - B Mulilo
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| | - A Mwai
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| | | | - M Nihashi
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| | - R Nouicer
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| | - A S Nyanin
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| | - E O'Brien
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| | - C A Ogilvie
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| | - J Oh
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| | | | - M Orosz
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| | - J D Osborn
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| | - R Pak
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| | - V Papavassiliou
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| | - J S Park
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| | - S Park
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| | - L Patel
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| | - S F Pate
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| | - J-C Peng
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| | - C E PerezLara
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| | - J Perry
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| | - C Pinkenburg
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| | - M Potekhin
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| | - A Pun
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| | - J Rak
- Helsinki Institute of Physics and University of Jyväskylä, P.O.Box 35, FI-40014 Jyväskylä, Finland
| | - N Ramasubramanian
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| | | | - K F Read
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| | - V Riabov
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| | - Y Riabov
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| | - N Riveli
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| | - D Roach
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| | - N Saito
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| | - L Zou
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Oh J, Jin SY, Shim S. Breakage and Disappearance of a Part of the Midline Catheter Tip During Insertion. Niger J Clin Pract 2023; 26:841-843. [PMID: 37470662 DOI: 10.4103/njcp.njcp_752_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Midline catheters have been proposed as alternatives to central venous catheters and peripherally inserted central catheters. Midline catheters reduce the incidence of overall needle stick injuries during hospitalization, have lower complication rates than central venous catheters or peripherally inserted central catheters, and provide potential cost benefits for hospitals. Complications with midline catheters are similar to those of other intravenous catheters, and intravenous catheter breakage is very rare and invasive. We report a case wherein a midline catheter tip was broken during insertion and removed by open surgery. For the safe use of midline catheters, accurate and delicate insertion techniques should be practiced. More case studies are warranted to verify the usefulness and convenience of various types of midline catheters for their universal use.
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Affiliation(s)
- J Oh
- Department of Anesthesia and Pain Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea
| | - S Y Jin
- Department of Anesthesia and Pain Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea
| | - S Shim
- Department of Anesthesia and Pain Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Republic of Korea
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Bruno V, Mühlig AK, Oh J, Licht C. New insights into the immune functions of podocytes: the role of complement. Mol Cell Pediatr 2023; 10:3. [PMID: 37059832 PMCID: PMC10104987 DOI: 10.1186/s40348-023-00157-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 03/24/2023] [Indexed: 04/16/2023] Open
Abstract
Podocytes are differentiated epithelial cells which play an essential role to ensure a normal function of the glomerular filtration barrier (GFB). In addition to their adhesive properties in maintaining the integrity of the filtration barrier, they have other functions, such as synthesis of components of the glomerular basement membrane (GBM), production of vascular endothelial growth factor (VEGF), release of inflammatory proteins, and expression of complement components. They also participate in the glomerular crosstalk through multiple signalling pathways, including endothelin-1, VEGF, transforming growth factor β (TGFβ), bone morphogenetic protein 7 (BMP-7), latent transforming growth factor β-binding protein 1 (LTBP1), and extracellular vesicles.Growing literature suggests that podocytes share many properties of innate and adaptive immunity, supporting a multifunctional role ensuring a healthy glomerulus. As consequence, the "immune podocyte" dysfunction is thought to be involved in the pathogenesis of several glomerular diseases, referred to as "podocytopathies." Multiple factors like mechanical, oxidative, and/or immunologic stressors can induce cell injury. The complement system, as part of both innate and adaptive immunity, can also define podocyte damage by several mechanisms, such as reactive oxygen species (ROS) generation, cytokine production, and endoplasmic reticulum stress, ultimately affecting the integrity of the cytoskeleton, with subsequent podocyte detachment from the GBM and onset of proteinuria.Interestingly, podocytes are found to be both source and target of complement-mediated injury. Podocytes express complement proteins which contribute to local complement activation. At the same time, they rely on several protective mechanisms to escape this damage. Podocytes express complement factor H (CFH), one of the main regulators of the complement cascade, as well as membrane-bound complement regulators like CD46 or membrane cofactor protein (MCP), CD55 or decay-accelerating factor (DAF), and CD59 or defensin. Further mechanisms, like autophagy or actin-based endocytosis, are also involved to ensure podocyte homeostasis and protection against injury.This review will provide an overview of the immune functions of podocytes and their response to immune-mediated injury, focusing on the pathogenic link between complement and podocyte damage.
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Affiliation(s)
- Valentina Bruno
- Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Paediatrics, University of Toronto, Toronto, ON, Canada
- Cell Biology Program, Research Institute, The Hospital for Sick Children, Toronto, ON, Canada
| | - Anne Katrin Mühlig
- University Children's Research@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jun Oh
- University Children's Research@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christoph Licht
- Division of Nephrology, The Hospital for Sick Children, Toronto, ON, Canada.
- Department of Paediatrics, University of Toronto, Toronto, ON, Canada.
- Cell Biology Program, Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.
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28
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Galvez C, Krall P, Rojas A, Oh J, Cano F. HUS with mutations in CFH and STEC infection treated with eculizumab in a 4-year-old girl. Pediatr Nephrol 2023; 38:1195-1203. [PMID: 35969277 DOI: 10.1007/s00467-022-05694-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 07/13/2022] [Accepted: 07/13/2022] [Indexed: 10/15/2022]
Abstract
BACKGROUND Hemolytic uremic syndrome secondary to Shiga-toxin-producing Escherichia coli infection (STEC-HUS) generally shows a favorable outcome. Few cases develop extra-renal complications, since neurological involvement is an important cause of morbidity and mortality. The role of complement in STEC-HUS has been recently highlighted, and the use of eculizumab in severe cases has been communicated. HUS results from environmental and genetic factors, but the simultaneous occurrence of STEC and complement mutations remains undetermined. METHODS A pediatric case with severe STEC-HUS carrying CFH mutations, with favorable response to eculizumab is analyzed. RESULTS STEC-HUS was diagnosed in a 4-year-old girl with classic HUS, including low C3. Peritoneal dialysis was started due to hypertension, oligoanuria, and pleural effusion. She evolved with generalized tonic-clonic seizures and required mechanical ventilation. MRI reported multiple supra- and infratentorial ischemic lesions with laminar/striatal cortical necrosis and leukoencephalopathy. After two eculizumab doses, a significative stabilization in diuresis, blood pressure, creatinine, and C3 was achieved. At the third week, episodes of massive digestive bleeding and a life-threatening condition required a colectomy thus preserving the ileocecal valve. Due to atypical evolution, a genetic study was considered, identifying two heterozygous variants (CFH S1191L/V1197A). CONCLUSION STEC-HUS in patients with a genetic predisposition has been previously reported, but the low frequency of occurrence makes it a rare disease. As in the present case, patients with atypical course might benefit from genetic analysis to evaluate early eculizumab initiation and to better understand its phenotype. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Carla Galvez
- Department of Pediatrics and Child Surgery, Faculty of Medicine, University of Chile, Santiago de Chile, Chile
| | - Paola Krall
- Department of Pediatrics and Child Surgery, Faculty of Medicine, University of Chile, Santiago de Chile, Chile.,Institute of Medicine, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Alejandro Rojas
- Institute of Medicine, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Jun Oh
- Department of Pediatric Nephrology, Hepatology and Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Francisco Cano
- Department of Pediatrics and Child Surgery, Faculty of Medicine, University of Chile, Santiago de Chile, Chile.
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29
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Kim JJ, Fichtner A, Copley HC, Gragert L, Süsal C, Strologo LD, Oh J, Pape L, Weber LT, Weitz M, König J, Krupka K, Tönshoff B, Kosmoliaptsis V. Corrigendum: Molecular HLA mismatching for prediction of primary humoral alloimmunity and graft function deterioration in paediatric kidney transplantation. Front Immunol 2023; 14:1188527. [PMID: 37040297 PMCID: PMC10080390 DOI: 10.3389/fimmu.2023.1188527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 04/12/2023] Open
Abstract
[This corrects the article DOI: 10.3389/fimmu.2023.1092335.].
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Affiliation(s)
- Jon Jin Kim
- Department of Surgery, University of Cambridge, Cambridge, United Kingdom
- Department of Paediatric Nephrology, Nottingham University Hospital, Nottingham, United Kingdom
| | - Alexander Fichtner
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Hannah C. Copley
- Department of Surgery, University of Cambridge, Cambridge, United Kingdom
| | - Loren Gragert
- School of Medicine, Tulane University, New Orleans, LA, United States
| | - Caner Süsal
- Transplantation Immunology, Institute of Immunology, University Hospital Heidelberg, Heidelberg, Germany
| | | | - Jun Oh
- University Hospital Hamburg, Pediatric Nephrology, Hamburg, Germany
| | - Lars Pape
- Clinic for Paediatrics III, Essen University Hospital, Essen, Germany
| | - Lutz T. Weber
- Pediatric Nephrology, Children’s and Adolescents’ Hospital, University Hospital Cologne, Cologne, Germany
| | - Marcus Weitz
- University Hospital Tübingen, Pediatric Nephrology, Tübingen, Germany
| | - Jens König
- Department of General Pediatrics, University Children’s Hospital, Münster, Germany
| | - Kai Krupka
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Vasilis Kosmoliaptsis
- Department of Surgery, University of Cambridge, Cambridge, United Kingdom
- NIHR Blood and Transplant Research Unit in Organ Donation and Transplantation at the University of Cambridge and the NIHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom
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30
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Kim JJ, Fichtner A, Copley HC, Gragert L, Süsal C, Dello Strologo L, Oh J, Pape L, Weber LT, Weitz M, König J, Krupka K, Tönshoff B, Kosmoliaptsis V. Molecular HLA mismatching for prediction of primary humoral alloimmunity and graft function deterioration in paediatric kidney transplantation. Front Immunol 2023; 14:1092335. [PMID: 37033962 PMCID: PMC10080391 DOI: 10.3389/fimmu.2023.1092335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 02/23/2023] [Indexed: 03/17/2023] Open
Abstract
Introduction Rejection remains the main cause of allograft failure in paediatric kidney transplantation and is driven by donor-recipient HLA mismatching. Modern computational algorithms enable assessment of HLA mismatch immunogenicity at the molecular level (molecular-mismatch, molMM). Whilst molMM has been shown to correlate with alloimmune outcomes, evidence demonstrating improved prediction performance against traditional antigen mismatching (antMM) is lacking. Methods We analysed 177 patients from the CERTAIN registry (median follow-up 4.5 years). molMM scores included Amino-Acid-Mismatch-Score (AAMS), Electrostatic-Mismatch-Score (EMS3D) and netMHCIIpan (netMHC1k: peptide binding affinity ≤1000 nM; netMHC: binding affinity ≤500 nM plus rank <2%). We stratified patients into high/low-risk groups based on risk models of DSA development. Results Donor-specific HLA antibodies (DSA) predominantly targeted the highest scoring molMM donor antigen within each HLA locus. MolMM scores offered superior discrimination versus antMM in predicting de novo DSA for all HLA loci; the EMS3D algorithm had particularly consistent performance (area under the receiver operating characteristic curve (AUC) >0.7 for all HLA loci vs. 0.52-0.70 for antMM). ABMR (but not TCMR) was associated with HLA-DQ molMM scores (AAMS, EMS3D and netMHC). Patients with high-risk HLA-DQ molMM had increased risk of graft function deterioration (50% reduction in baseline eGFR (eGFR50), adjusted HR: 3.5, 95% CI 1.6-8.2 high vs. low EMS3D). Multivariable modelling of the eGFR50 outcome using EMS3D HLA-DQ stratification showed better discrimination (AUC EMS3D vs. antMM at 2 years: 0.81 vs. 0.77, at 4.5 years: 0.72 vs. 0.64) and stratified more patients into the low-risk group, compared to traditional antMM. Conclusion Molecular mismatching was superior to antigen mismatching in predicting humoral alloimmunity. Molecular HLA-DQ mismatching appears to be a significant prognostic factor for graft function deterioration in paediatric kidney transplantation.
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Affiliation(s)
- Jon Jin Kim
- Department of Surgery, University of Cambridge, Cambridge, United Kingdom
- Department of Paediatric Nephrology, Nottingham University Hospital, Nottingham, United Kingdom
| | - Alexander Fichtner
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Hannah C. Copley
- Department of Surgery, University of Cambridge, Cambridge, United Kingdom
| | - Loren Gragert
- School of Medicine, Tulane University, New Orleans, LA, United States
| | - Caner Süsal
- Transplantation Immunology, Institute of Immunology, University Hospital Heidelberg, Heidelberg, Germany
| | | | - Jun Oh
- University Hospital Hamburg, Pediatric Nephrology, Hamburg, Germany
| | - Lars Pape
- Clinic for Paediatrics III, Essen University Hospital, Essen, Germany
| | - Lutz T. Weber
- Pediatric Nephrology, Children’s and Adolescents’ Hospital, University Hospital Cologne, Cologne, Germany
| | - Marcus Weitz
- University Hospital Tübingen, Pediatric Nephrology, Tübingen, Germany
| | - Jens König
- Department of General Pediatrics, University Children’s Hospital, Münster, Germany
| | - Kai Krupka
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Vasilis Kosmoliaptsis
- Department of Surgery, University of Cambridge, Cambridge, United Kingdom
- NIHR Blood and Transplant Research Unit in Organ Donation and Transplantation at the University of Cambridge and the NIHR Cambridge Biomedical Research Centre, Cambridge, United Kingdom
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31
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Girardi F, Matz M, Stiller C, You H, Marcos Gragera R, Valkov MY, Bulliard JL, De P, Morrison D, Wanner M, O'Brian DK, Saint-Jacques N, Coleman MP, Allemani C, Hamdi-Chérif M, Kara L, Meguenni K, Regagba D, Bayo S, Cheick Bougadari T, Manraj SS, Bendahhou K, Ladipo A, Ogunbiyi OJ, Somdyala NIM, Chaplin MA, Moreno F, Calabrano GH, Espinola SB, Carballo Quintero B, Fita R, Laspada WD, Ibañez SG, Lima CA, Da Costa AM, De Souza PCF, Chaves J, Laporte CA, Curado MP, de Oliveira JC, Veneziano CLA, Veneziano DB, Almeida ABM, Latorre MRDO, Rebelo MS, Santos MO, Azevedo e Silva G, Galaz JC, Aparicio Aravena M, Sanhueza Monsalve J, Herrmann DA, Vargas S, Herrera VM, Uribe CJ, Bravo LE, Garcia LS, Arias-Ortiz NE, Morantes D, Jurado DM, Yépez Chamorro MC, Delgado S, Ramirez M, Galán Alvarez YH, Torres P, Martínez-Reyes F, Jaramillo L, Quinto R, Castillo J, Mendoza M, Cueva P, Yépez JG, Bhakkan B, Deloumeaux J, Joachim C, Macni J, Carrillo R, Shalkow Klincovstein J, Rivera Gomez R, Perez P, Poquioma E, Tortolero-Luna G, Zavala D, Alonso R, Barrios E, Eckstrand A, Nikiforuk C, Woods RR, Noonan G, Turner D, Kumar E, Zhang B, Dowden JJ, Doyle GP, Saint-Jacques N, Walsh G, Anam A, De P, McClure CA, Vriends KA, Bertrand C, Ramanakumar AV, Davis L, Kozie S, Freeman T, George JT, Avila RM, O’Brien DK, Holt A, Almon L, Kwong S, Morris C, Rycroft R, Mueller L, Phillips CE, Brown H, Cromartie B, Ruterbusch J, Schwartz AG, Levin GM, Wohler B, Bayakly R, Ward KC, Gomez SL, McKinley M, Cress R, Davis J, Hernandez B, Johnson CJ, Morawski BM, Ruppert LP, Bentler S, Charlton ME, Huang B, Tucker TC, Deapen D, Liu L, Hsieh MC, Wu XC, Schwenn M, Stern K, Gershman ST, Knowlton RC, Alverson G, Weaver T, Desai J, Rogers DB, Jackson-Thompson J, Lemons D, Zimmerman HJ, Hood M, Roberts-Johnson J, Hammond W, Rees JR, Pawlish KS, Stroup A, Key C, Wiggins C, Kahn AR, Schymura MJ, Radhakrishnan S, Rao C, Giljahn LK, Slocumb RM, Dabbs C, Espinoza RE, Aird KG, Beran T, Rubertone JJ, Slack SJ, Oh J, Janes TA, Schwartz SM, Chiodini SC, Hurley DM, Whiteside MA, Rai S, Williams MA, Herget K, Sweeney C, Kachajian J, Keitheri Cheteri MB, Migliore Santiago P, Blankenship SE, Conaway JL, Borchers R, Malicki R, Espinoza J, Grandpre J, Weir HK, Wilson R, Edwards BK, Mariotto A, Rodriguez-Galindo C, Wang N, Yang L, Chen JS, Zhou Y, He YT, Song GH, Gu XP, Mei D, Mu HJ, Ge HM, Wu TH, Li YY, Zhao DL, Jin F, Zhang JH, Zhu FD, Junhua Q, Yang YL, Jiang CX, Biao W, Wang J, Li QL, Yi H, Zhou X, Dong J, Li W, Fu FX, Liu SZ, Chen JG, Zhu J, Li YH, Lu YQ, Fan M, Huang SQ, Guo GP, Zhaolai H, Wei K, Chen WQ, Wei W, Zeng H, Demetriou AV, Mang WK, Ngan KC, Kataki AC, Krishnatreya M, Jayalekshmi PA, Sebastian P, George PS, Mathew A, Nandakumar A, Malekzadeh R, Roshandel G, Keinan-Boker L, Silverman BG, Ito H, Koyanagi Y, Sato M, Tobori F, Nakata I, Teramoto N, Hattori M, Kaizaki Y, Moki F, Sugiyama H, Utada M, Nishimura M, Yoshida K, Kurosawa K, Nemoto Y, Narimatsu H, Sakaguchi M, Kanemura S, Naito M, Narisawa R, Miyashiro I, Nakata K, Mori D, Yoshitake M, Oki I, Fukushima N, Shibata A, Iwasa K, Ono C, Matsuda T, Nimri O, Jung KW, Won YJ, Alawadhi E, Elbasmi A, Ab Manan A, Adam F, Nansalmaa E, Tudev U, Ochir C, Al Khater AM, El Mistiri MM, Lim GH, Teo YY, Chiang CJ, Lee WC, Buasom R, Sangrajrang S, Suwanrungruang K, Vatanasapt P, Daoprasert K, Pongnikorn D, Leklob A, Sangkitipaiboon S, Geater SL, Sriplung H, Ceylan O, Kög I, Dirican O, Köse T, Gurbuz T, Karaşahin FE, Turhan D, Aktaş U, Halat Y, Eser S, Yakut CI, Altinisik M, Cavusoglu Y, Türkköylü A, Üçüncü N, Hackl M, Zborovskaya AA, Aleinikova OV, Henau K, Van Eycken L, Atanasov TY, Valerianova Z, Šekerija M, Dušek L, Zvolský M, Steinrud Mørch L, Storm H, Wessel Skovlund C, Innos K, Mägi M, Malila N, Seppä K, Jégu J, Velten M, Cornet E, Troussard X, Bouvier AM, Guizard AV, Bouvier V, Launoy G, Dabakuyo Yonli S, Poillot ML, Maynadié M, Mounier M, Vaconnet L, Woronoff AS, Daoulas M, Robaszkiewicz M, Clavel J, Poulalhon C, Desandes E, Lacour B, Baldi I, Amadeo B, Coureau G, Monnereau A, Orazio S, Audoin M, D’Almeida TC, Boyer S, Hammas K, Trétarre B, Colonna M, Delafosse P, Plouvier S, Cowppli-Bony A, Molinié F, Bara S, Ganry O, Lapôtre-Ledoux B, Daubisse-Marliac L, Bossard N, Uhry Z, Estève J, Stabenow R, Wilsdorf-Köhler H, Eberle A, Luttmann S, Löhden I, Nennecke AL, Kieschke J, Sirri E, Justenhoven C, Reinwald F, Holleczek B, Eisemann N, Katalinic A, Asquez RA, Kumar V, Petridou E, Ólafsdóttir EJ, Tryggvadóttir L, Murray DE, Walsh PM, Sundseth H, Harney M, Mazzoleni G, Vittadello F, Coviello E, Cuccaro F, Galasso R, Sampietro G, Giacomin A, Magoni M, Ardizzone A, D’Argenzio A, Di Prima AA, Ippolito A, Lavecchia AM, Sutera Sardo A, Gola G, Ballotari P, Giacomazzi E, Ferretti S, Dal Maso L, Serraino D, Celesia MV, Filiberti RA, Pannozzo F, Melcarne A, Quarta F, Andreano A, Russo AG, Carrozzi G, Cirilli C, Cavalieri d’Oro L, Rognoni M, Fusco M, Vitale MF, Usala M, Cusimano R, Mazzucco W, Michiara M, Sgargi P, Boschetti L, Marguati S, Chiaranda G, Seghini P, Maule MM, Merletti F, Spata E, Tumino R, Mancuso P, Cassetti T, Sassatelli R, Falcini F, Giorgetti S, Caiazzo AL, Cavallo R, Piras D, Bella F, Madeddu A, Fanetti AC, Maspero S, Carone S, Mincuzzi A, Candela G, Scuderi T, Gentilini MA, Rizzello R, Rosso S, Caldarella A, Intrieri T, Bianconi F, Contiero P, Tagliabue G, Rugge M, Zorzi M, Beggiato S, Brustolin A, Gatta G, De Angelis R, Vicentini M, Zanetti R, Stracci F, Maurina A, Oniščuka M, Mousavi M, Steponaviciene L, Vincerževskienė I, Azzopardi MJ, Calleja N, Siesling S, Visser O, Johannesen TB, Larønningen S, Trojanowski M, Macek P, Mierzwa T, Rachtan J, Rosińska A, Kępska K, Kościańska B, Barna K, Sulkowska U, Gebauer T, Łapińska JB, Wójcik-Tomaszewska J, Motnyk M, Patro A, Gos A, Sikorska K, Bielska-Lasota M, Didkowska JA, Wojciechowska U, Forjaz de Lacerda G, Rego RA, Carrito B, Pais A, Bento MJ, Rodrigues J, Lourenço A, Mayer-da-Silva A, Coza D, Todescu AI, Valkov MY, Gusenkova L, Lazarevich O, Prudnikova O, Vjushkov DM, Egorova A, Orlov A, Pikalova LV, Zhuikova LD, Adamcik J, Safaei Diba C, Zadnik V, Žagar T, De-La-Cruz M, Lopez-de-Munain A, Aleman A, Rojas D, Chillarón RJ, Navarro AIM, Marcos-Gragera R, Puigdemont M, Rodríguez-Barranco M, Sánchez Perez MJ, Franch Sureda P, Ramos Montserrat M, Chirlaque López MD, Sánchez Gil A, Ardanaz E, Guevara M, Cañete-Nieto A, Peris-Bonet R, Carulla M, Galceran J, Almela F, Sabater C, Khan S, Pettersson D, Dickman P, Staehelin K, Struchen B, Egger Hayoz C, Rapiti E, Schaffar R, Went P, Mousavi SM, Bulliard JL, Maspoli-Conconi M, Kuehni CE, Redmond SM, Bordoni A, Ortelli L, Chiolero A, Konzelmann I, Rohrmann S, Wanner M, Broggio J, Rashbass J, Stiller C, Fitzpatrick D, Gavin A, Morrison DS, Thomson CS, Greene G, Huws DW, Grayson M, Rawcliffe H, Allemani C, Coleman MP, Di Carlo V, Girardi F, Matz M, Minicozzi P, Sanz N, Ssenyonga N, James D, Stephens R, Chalker E, Smith M, Gugusheff J, You H, Qin Li S, Dugdale S, Moore J, Philpot S, Pfeiffer R, Thomas H, Silva Ragaini B, Venn AJ, Evans SM, Te Marvelde L, Savietto V, Trevithick R, Aitken J, Currow D, Fowler C, Lewis C. Global survival trends for brain tumors, by histology: analysis of individual records for 556,237 adults diagnosed in 59 countries during 2000-2014 (CONCORD-3). Neuro Oncol 2023; 25:580-592. [PMID: 36355361 PMCID: PMC10013649 DOI: 10.1093/neuonc/noac217] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Survival is a key metric of the effectiveness of a health system in managing cancer. We set out to provide a comprehensive examination of worldwide variation and trends in survival from brain tumors in adults, by histology. METHODS We analyzed individual data for adults (15-99 years) diagnosed with a brain tumor (ICD-O-3 topography code C71) during 2000-2014, regardless of tumor behavior. Data underwent a 3-phase quality control as part of CONCORD-3. We estimated net survival for 11 histology groups, using the unbiased nonparametric Pohar Perme estimator. RESULTS The study included 556,237 adults. In 2010-2014, the global range in age-standardized 5-year net survival for the most common sub-types was broad: in the range 20%-38% for diffuse and anaplastic astrocytoma, from 4% to 17% for glioblastoma, and between 32% and 69% for oligodendroglioma. For patients with glioblastoma, the largest gains in survival occurred between 2000-2004 and 2005-2009. These improvements were more noticeable among adults diagnosed aged 40-70 years than among younger adults. CONCLUSIONS To the best of our knowledge, this study provides the largest account to date of global trends in population-based survival for brain tumors by histology in adults. We have highlighted remarkable gains in 5-year survival from glioblastoma since 2005, providing large-scale empirical evidence on the uptake of chemoradiation at population level. Worldwide, survival improvements have been extensive, but some countries still lag behind. Our findings may help clinicians involved in national and international tumor pathway boards to promote initiatives aimed at more extensive implementation of clinical guidelines.
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Affiliation(s)
- Fabio Girardi
- Cancer Survival Group, London School of Hygiene and Tropical Medicine, London, UK.,Cancer Division, University College London Hospitals NHS Foundation Trust, London, UK.,Division of Medical Oncology 2, Veneto Institute of Oncology IOV-IRCCS, Padua, Italy
| | - Melissa Matz
- Cancer Survival Group, London School of Hygiene and Tropical Medicine, London, UK
| | - Charles Stiller
- National Cancer Registration and Analysis Service, Public Health England, London, UK
| | - Hui You
- Cancer Information Analysis Unit, Cancer Institute NSW, St Leonards, New South Wales, Australia
| | - Rafael Marcos Gragera
- Epidemiology Unit and Girona Cancer Registry, Catalan Institute of Oncology, Girona, Spain
| | - Mikhail Y Valkov
- Department of Radiology, Radiotherapy and Oncology, Northern State Medical University, Arkhangelsk, Russia
| | - Jean-Luc Bulliard
- Centre for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland.,Neuchâtel and Jura Tumour Registry, Neuchâtel, Switzerland
| | - Prithwish De
- Surveillance and Cancer Registry, and Research Office, Clinical Institutes and Quality Programs, Ontario Health, Toronto, Ontario, Canada
| | - David Morrison
- Scottish Cancer Registry, Public Health Scotland, Edinburgh, UK
| | - Miriam Wanner
- Cancer Registry Zürich, Zug, Schaffhausen and Schwyz, University Hospital Zürich, Zürich, Switzerland
| | - David K O'Brian
- Alaska Cancer Registry, Alaska Department of Health and Social Services, Anchorage, Alaska, USA
| | - Nathalie Saint-Jacques
- Department of Medicine and Community Health and Epidemiology, Centre for Clinical Research, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Michel P Coleman
- Cancer Survival Group, London School of Hygiene and Tropical Medicine, London, UK.,Cancer Division, University College London Hospitals NHS Foundation Trust, London, UK
| | - Claudia Allemani
- Cancer Survival Group, London School of Hygiene and Tropical Medicine, London, UK
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Oh J, Warner M, Ambler JE, Schuch R. The Lysin Exebacase Has a Low Propensity for Resistance Development in Staphylococcus aureus and Suppresses the Emergence of Resistance to Antistaphylococcal Antibiotics. Microbiol Spectr 2023; 11:e0526122. [PMID: 36862002 PMCID: PMC10100934 DOI: 10.1128/spectrum.05261-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/15/2023] [Indexed: 03/03/2023] Open
Abstract
Exebacase (CF-301) belongs to a novel class of protein-based antibacterial agents, called lysins (peptidoglycan hydrolases). Exebacase exhibits potent antistaphylococcal activity and is the first lysin to initiate clinical trials in the United States. To support clinical development, the potential for resistance development to exebacase was assessed over 28 days of serial daily subculture in the presence of increasing concentrations of the lysin performed in its reference broth medium. Exebacase MICs remained unchanged over serial subculture for three replicates each of methicillin-susceptible Staphylococcus aureus (MSSA) strain ATCC 29213 and methicillin-resistant S. aureus (MRSA) strain MW2. For comparator antibiotics also tested, oxacillin MICs increased by 32-fold with ATCC 29213 and daptomycin and vancomycin MICs increased by 16- and 8-fold, respectively, with MW2. Serial passage was also used to examine the capacity of exebacase to suppress selection for increased oxacillin, daptomycin, and vancomycin MICs when used together in combination, wherein daily exposures to increasing concentrations of antibiotic were performed over 28 days with the added presence of fixed sub-MIC amounts of exebacase. Exebacase suppressed increases in antibiotic MICs over this period. These findings are consistent with a low propensity for resistance to exebacase and an added benefit of reducing the potential for development of antibiotic resistance. IMPORTANCE To guide development of an investigational new antibacterial drug, microbiological data are required to understand the potential for development of resistance to the drug in the target organism(s). Exebacase is a lysin (peptidoglycan hydrolase) that represents a novel antimicrobial modality based on degradation of the cell wall of Staphylococcus aureus. Exebacase resistance was examined here using an in vitro serial passage method that assesses the impact of daily exposures to increasing concentrations of exebacase over 28 days in medium approved for use in exebacase antimicrobial susceptibility testing (AST) by the Clinical and Laboratory Standards Institute (CLSI). No changes in susceptibility to exebacase were observed over the 28-day period for multiple replicates of two S. aureus strains, indicating a low propensity for resistance development. Interestingly, while high-level resistance to commonly used antistaphylococcal antibiotics was readily obtained using the same method, the added presence of exebacase acted to suppress antibiotic resistance development.
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Affiliation(s)
- Jun Oh
- ContraFect Corporation, Yonkers, New York, USA
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Martins LF, Oh J, Melgar A, Harper M, Wall EW, Hristov AN. Effects of phytonutrients and yeast culture supplementation on lactational performance and nutrient use efficiency in dairy cows. J Dairy Sci 2023; 106:1746-1756. [PMID: 36586803 DOI: 10.3168/jds.2022-22482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 10/05/2022] [Indexed: 12/31/2022]
Abstract
Yeast culture and phytonutrients are dietary supplements with distinct modes of action, and they may have additive effects on the performance of dairy cattle. The objective of this study was to investigate the effects of a preparation of phytonutrients and a yeast culture from Saccharomyces cerevisiae on lactational performance, total-tract digestibility of nutrients, urinary nitrogen losses, energy metabolism markers, and blood cells in dairy cows. Thirty-six mid-lactation Holstein cows (10 primiparous and 26 multiparous) were used in an 8-wk randomized complete block design experiment with a 2-wk covariate period, 2 wk for adaptation to the diets, and a 4-wk experimental period for data and samples collection. Following a 2-wk covariate period, cows were blocked by days in milk, parity, and milk yield and randomly assigned to 1 of 3 treatments (12 cows per treatment): basal diet supplemented with 14 g/cow per day yeast culture (YC; S. cerevisiae), basal diet supplemented with 1.0 g/cow per day phytonutrients (PN; 5.5% cinnamaldehyde, 9.5% eugenol, and 3.5% capsicum oleoresin), or basal diet supplemented with a combination of YC and PN (YCPN). Treatments were top-dressed once daily on the total mixed ration at time of feeding. Dry matter intake, milk yield, and feed efficiency were not affected by treatments. Milk composition and energy-corrected milk yield were also not affected by supplementation of YC, PN, and YCPN. There were no differences in intake or total-tract digestibility of dietary nutrients among treatments. Compared with YC, the PN and YCPN treatments tended to decrease the proportion of short-chain fatty acids in milk fat. There was an additive effect of YC and PN supplementation on urinary urea nitrogen (UUN) excretion relative to total nitrogen intake. Cows fed a diet supplemented with YCPN had lower UUN excretion than cows in YC and tended to have lower UUN excretion compared with PN. Blood monocytes count and percentage were decreased in cows fed PN and YCPN diets compared with YC. Treatments did not affect concentrations of blood β-hydroxybutyrate and total fatty acids. Overall, lactational performance, digestibility of nutrients, energy metabolism markers, and blood cells were not affected by YC, PN, or YCPN supplementation. A combination of PN and YC had an additive effect on nitrogen excretion in dairy cows.
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Affiliation(s)
- L F Martins
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - J Oh
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - A Melgar
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - M Harper
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - E W Wall
- Pancosma, Geneva, Switzerland CH-1218
| | - A N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park 16802.
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Oh J, Oh JM, Cho SY. METTL3-mediated downregulation of splicing factor SRSF11 is associated with carcinogenesis and poor survival of cancer patients. Eur Rev Med Pharmacol Sci 2023; 27:2561-2570. [PMID: 37013774 DOI: 10.26355/eurrev_202303_31793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
OBJECTIVE N6-methyladenosine (m6A) is one of the most abundant post-transcriptional modifications in eukaryotic RNA. As m6A modifications play an important role in RNA processing, abnormal m6A regulation caused by aberrant expression of m6A regulators is closely related to carcinogenesis. In this study, we aimed to determine the role of METTL3 expression in carcinogenesis, regulation of splicing factor expression by METTL3, and their effects in survival period and cancer-related metabolisms. MATERIALS AND METHODS We investigated the correlation between each splicing factor and METTL3 in breast invasive ductal carcinoma (BRCA), colon adenocarcinoma (COAD), lung adenocarcinoma (LUAD) and gastric adenocarcinoma (STAD). Survival analysis was performed based on the expression of each splicing factor. To determine the molecular mechanism of SRSF11 in carcinogenesis, gene set enrichment analysis using RNA sequencing data was performed according to SRSF11 expression. RESULTS Among the 64 splicing factors used for correlation analysis, 13 splicing factors showed a positive correlation with METTL3 in all four cancer types. We found that when METTL3 expression was decreased, the expression of SRSF11 was also decreased in all four types of cancer tissue when compared to that in normal tissue. Decreased SRSF11 expression was associated with poor survival in patients with BRCA, COAD, LUAD, and STAD. Gene set enrichment analysis according to SRSF11 expression showed that the p53/apoptosis, inflammation/immune response, and ultraviolet/reactive oxygen species stimulus-response pathways were enriched in cancers with decreased SRSF11 expression. CONCLUSIONS These results suggest that METTL3 regulates SRSF11 expression, which could influence mRNA splicing in m6A modified cancer cells. METTL3-mediated downregulation of SRSF11 expression in cancer patients correlates with poor prognosis.
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Affiliation(s)
- J Oh
- Department of Translational Medicine, Seoul National University College of Medicine, Seoul, South Korea.
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Schild R, Dupont S, Harambat J, Vidal E, Balat A, Bereczki C, Bieniaś B, Brandström P, Broux F, Consolo S, Gojkovic I, Groothoff JW, Hommel K, Hubmann H, Braddon FEM, Pankratenko TE, Papachristou F, Plumb LA, Podracka L, Prokurat S, Bjerre A, Cordinhã C, Tainio J, Shkurti E, Spartà G, Vondrak K, Jager KJ, Oh J, Bonthuis M. Disparities in treatment and outcome of kidney replacement therapy in children with comorbidities: an ESPN/ERA Registry study. Clin Kidney J 2023; 16:745-755. [PMID: 37007701 PMCID: PMC10061422 DOI: 10.1093/ckj/sfad008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Indexed: 01/15/2023] Open
Abstract
Abstract
Background
Data on comorbidities in children on kidney replacement therapy (KRT) is scarce. Considering their high relevance for prognosis and treatment, this study aims to analyse the prevalence and implications of comorbidities in European children on KRT.
Methods
We included data from patients aged < 20 years when commencing KRT from 2007 to 2017 from 22 European countries within the ESPN/ERA Registry. Differences between patients with or without comorbidities in access to kidney transplantation (KT), patient and graft survival were estimated using Cox regression.
Results
Comorbidities were present in 33% of the 4127 children commencing KRT, and the prevalence steadily increased by 5% annually since 2007. Comorbidities were most frequent in high-income countries (43% vs. 24% in low-income and 33% in middle-income countries). Patients with comorbidities had a lower access to transplantation (aHR 0.67, 95% CI: 0.61–0.74), and a higher risk of death (aHR 1.79; 95% CI: 1.38–2.32). The increased mortality was only seen in dialysis patients (aHR 1.60; 95% CI: 1.21–2.13), and not after KT. For both outcomes, the impact of comorbidities was stronger in low-income countries. Graft survival was not affected by presence of comorbidities (aHR for 5-year graft failure: 1.18, 95% CI: 0.84–1.65).
Conclusions
Comorbidities have become more frequent in children on KRT and reduce their access to transplantation and survival, especially when remaining on dialysis. KT should be considered as an option in all paediatric KRT patients and efforts should be made to identify modifiable barriers to KT for children with comorbidities.
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Affiliation(s)
- Raphael Schild
- Division of Pediatric Nephrology, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
| | - Simeon Dupont
- Division of Pediatric Nephrology, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
| | - Jérôme Harambat
- Department of Pediatrics, Bordeaux University Hospital, Bordeaux Population Health Research Center UMR 1219, University of Bordeaux , Bordeaux , France
| | - Enrico Vidal
- Division of Pediatrics, Department of Medicine, University of Udine , Udine , Italy
| | - Ayşe Balat
- Department of Pediatric Nephrology, Gaziantep University Medical Faculty , Gaziantep , Turkey
| | - Csaba Bereczki
- Department of Pediatrics, University of Szeged , Hungary
| | - Beata Bieniaś
- Department of Paediatric Nephrology, Medical University of Lublin , Lublin , Poland
| | - Per Brandström
- The Pediatric Uro Nephrology Center, The Queen Silvia Children's Hospital, The Sahlgrenska Academy at the University of Gothenburg , Gothenburg , Sweden
| | - Francoise Broux
- Department of Pediatrics, Rouen University Hospital , Rouen , France
| | - Silvia Consolo
- Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCSS Ca’ Grande Ospedale Maggiore Policlinico , Milan , Italy
| | - Ivana Gojkovic
- Department of Nephrology, University Children's Hospital, University of Belgrade , Belgrade , Serbia
| | - Jaap W Groothoff
- Department of Pediatric Nephrology, Emma Children's Hospital, Amsterdam University Medical Center, University of Amsterdam , Amsterdam , The Netherlands
| | | | - Holger Hubmann
- Department of Pediatrics, Medical University Graz , Graz , Austria
| | | | - Tatiana E Pankratenko
- Moscow Regional Research and Clinical Institute named after M.F. Vladimirskiy , Moscow , Russia
| | - Fotios Papachristou
- Pediatric Nephrology Unit, 1st Department of Pediatrics, Aristotle University of Thessaloniki , Thessaloniki , Greece
| | - Lucy A Plumb
- Population Health Sciences, University of Bristol Medical School , Bristol , United Kingdom
| | - Ludmila Podracka
- Pediatric Department, National Institute of Children's Health, Comenius University , Bratislava , Slovakia
| | - Sylwester Prokurat
- Department of Nephrology & Kidney Transplantation, The Children's Memorial Health Institute , Warsaw , Poland
| | - Anna Bjerre
- Division of Paediatric and Adolescent Medicine, Department of Specialised Medicine and Transplantation, Oslo University Hospital , Rikshospitalet, Oslo , Norway
| | - Carolina Cordinhã
- Pediatric Nephrology Unit, Hospital Pediátrico - Centro Hospitalar Universitário de Coimbra , Coimbra , Portugal
| | - Juuso Tainio
- Department of Pediatric Nephrology and Transplantation, New Children's Hospital, University of Helsinki and Helsinki University Hospital , Helsinki Finland
| | | | - Giuseppina Spartà
- Pediatric Nephrology Unit, University Children's Hospital Zurich , Zurich , Switzerland
| | - Karel Vondrak
- Department of Pediatric Nephrology, University Hospital Motol , Prague , Czech Republic
| | - Kitty J Jager
- ESPN/ERA Registry, Amsterdam UMC, University of Amsterdam, Department of Medical Informatics, Amsterdam Public Health Research Institute , Amsterdam , The Netherlands
| | - Jun Oh
- Division of Pediatric Nephrology, University Medical Center Hamburg-Eppendorf , Hamburg , Germany
| | - Marjolein Bonthuis
- ESPN/ERA Registry, Amsterdam UMC, University of Amsterdam, Department of Medical Informatics, Amsterdam Public Health Research Institute , Amsterdam , The Netherlands
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Sugianto RI, Ostendorf K, Bauer E, von der Born J, Oh J, Kemper MJ, Buescher R, Schmidt BMW, Memaran N, Melk A. Arterial stiffness and blood pressure increase in pediatric kidney transplant recipients. Pediatr Nephrol 2023; 38:1319-1327. [PMID: 36094669 PMCID: PMC9925540 DOI: 10.1007/s00467-022-05611-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 05/02/2022] [Accepted: 05/03/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Pulse wave velocity (PWV) is a measure of arterial stiffness. We investigated PWV and blood pressure (BP) to determine to what extent BP changes contribute to arterial stiffness, and secondly, to identify influencing factors on BP in children after kidney transplantation. METHODS Seventy children ≥ 2.5 years post-transplantation with at least two PWV measurements were included. Changes of systolic (Δ SBP) and diastolic BP (Δ DBP) were classified into "stable/decreasing," "1-10 mmHg increase," and " > 10 mmHg increase." Linear mixed modeling for PWV z-score (PWVz) adjusted either for Δ SBP or Δ DBP was performed. An extended dataset with monthly entries of BP, immunosuppression, and creatinine was obtained in 35 participants over a median of 74 months to perform linear mixed modeling for SBP and DBP. RESULTS PWVz increased with a rate of 0.11/year (95% CI 0.054 to 0.16). Compared to participants with stable BP, those with 1-10-mmHg SBP and DBP increase showed a higher PWVz of 0.59 (95% CI 0.046 to 1.13) and 0.86 (95% CI 0.43 to 1.30), respectively. A > 10-mmHg BP increase was associated with an even higher PWVz (SBP β = 0.78, 95% CI 0.22 to 1.34; DBP β = 1.37, 95% CI 0.80 to 1.94). Female sex and participants with lower eGFR showed higher PWVz. In the extended analysis, DBP was positively associated with cyclosporin A and everolimus trough levels. CONCLUSIONS A higher increase of PWV is seen in patients with greater BP increase, with higher cyclosporin A and everolimus trough levels associated with higher BP. This emphasizes the role of BP as a modifiable risk factor for the improvement of cardiovascular outcome after transplantation. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Rizky Indrameikha Sugianto
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Karen Ostendorf
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Elena Bauer
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Jeannine von der Born
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Jun Oh
- University Children's Hospital, University Medical Center-Hamburg-Eppendorf, Hamburg, Germany
| | - Markus J Kemper
- Department of Pediatrics and Adolescent Medicine, Asklepios Hospital Nord-Heidberg, Hamburg, Germany
| | - Rainer Buescher
- University Children's Hospital, Essen University Hospital, Essen, Germany
| | - Bernhard M W Schmidt
- Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Nima Memaran
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Anette Melk
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
- Children's Hospital, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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Sever L, Pehlivan G, Canpolat N, Saygılı S, Ağbaş A, Demirgan E, Oh J, Levtchenko E, Ivanov DD, Shroff R. Management of pediatric dialysis and kidney transplant patients after natural or man-made disasters. Pediatr Nephrol 2023; 38:315-325. [PMID: 36194369 PMCID: PMC9529603 DOI: 10.1007/s00467-022-05734-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/02/2022] [Accepted: 09/02/2022] [Indexed: 01/10/2023]
Abstract
Pediatric patients on kidney replacement therapy (KRT) are among the most vulnerable during large-scale disasters, either natural or man-made. Hemodialysis (HD) treatments may be impossible because of structural damage and/or shortage of medical supplies, clean water, electricity, and healthcare professionals. Lack of peritoneal dialysis (PD) solutions and increased risk of infectious/non-infectious complications may make PD therapy challenging. Non-availability of immunosuppressants and increased risk of infections may result in graft loss and deaths of kidney transplant recipients. Measures to mitigate these risks must be considered before, during, and after the disaster including training of staff and patients/caregivers to cope with medical and logistic problems. Soon after a disaster, if the possibility of performing HD or PD is uncertain, patients should be directed to other centers, or the duration and/or number of HD sessions or the PD prescription adapted. In kidney transplant recipients, switching among immunosuppressants should be considered in case of non-availability of the medications. Post-disaster interventions target treating neglected physical and mental problems and also improving social challenges. All problems experienced by pediatric KRT patients living in the affected area are applicable to displaced patients who may also face extra risks during their travel and also at their destination. The need for additional local, national, and international help and support of non-governmental organizations must be anticipated and sought in a timely manner.
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Affiliation(s)
- Lale Sever
- Department of Pediatric Nephrology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey.
| | - Gülseren Pehlivan
- Department of Pediatric Nephrology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Nur Canpolat
- Department of Pediatric Nephrology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Seha Saygılı
- Department of Pediatric Nephrology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ayşe Ağbaş
- Department of Pediatric Nephrology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ebru Demirgan
- Department of Pediatric Nephrology, Istanbul Training and Research Hospital, Istanbul, Turkey
| | - Jun Oh
- Department of Pediatric Nephrology, Medical Center University Hamburg/Eppendorf, Hamburg, Germany
| | | | - Dymtro D. Ivanov
- Department of Nephrology and Renal Replacement Therapy, Shupyk National Health Care University, Kiev, Ukraine
| | - Rukshana Shroff
- UCL Great Ormond Street Hospital and Institute of Child Health, Renal Unit, London, UK
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Dunay GA, Barroso M, Woidy M, Danecka MK, Engels G, Hermann K, Neumann FS, Paul K, Beime J, Escherich G, Fehse K, Grinstein L, Haniel F, Haupt LJ, Hecher L, Kehl T, Kemen C, Kemper MJ, Kobbe R, Kohl A, Klokow T, Nörz D, Olfe J, Schlenker F, Schmiesing J, Schrum J, Sibbertsen F, Stock P, Tiede S, Vettorazzi E, Zazara DE, Zapf A, Lütgehetmann M, Oh J, Mir TS, Muntau AC, Gersting SW. Long-Term Antibody Response to SARS-CoV-2 in Children. J Clin Immunol 2023; 43:46-56. [PMID: 36121535 PMCID: PMC9483535 DOI: 10.1007/s10875-022-01355-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 08/18/2022] [Indexed: 01/21/2023]
Abstract
Almost 2 years into the pandemic and with vaccination of children significantly lagging behind adults, long-term pediatric humoral immune responses to SARS-CoV-2 are understudied. The C19.CHILD Hamburg (COVID-19 Child Health Investigation of Latent Disease) Study is a prospective cohort study designed to identify and follow up children and their household contacts infected in the early 2020 first wave of SARS-CoV-2. We screened 6113 children < 18 years by nasopharyngeal swab-PCR in a low-incidence setting after general lockdown, from May 11 to June 30, 2020. A total of 4657 participants underwent antibody testing. Positive tests were followed up by repeated PCR and serological testing of all household contacts over 6 months. In total, the study identified 67 seropositive children (1.44%); the median time after infection at first presentation was 83 days post-symptom onset (PSO). Follow-up of household contacts showed less than 100% seroprevalence in most families, with higher seroprevalence in families with adult index cases compared to pediatric index cases (OR 1.79, P = 0.047). Most importantly, children showed sustained seroconversion up to 9 months PSO, and serum antibody concentrations persistently surpassed adult levels (ratio serum IgG spike children vs. adults 90 days PSO 1.75, P < 0.001; 180 days 1.38, P = 0.01; 270 days 1.54, P = 0.001). In a low-incidence setting, SARS-CoV-2 infection and humoral immune response present distinct patterns in children including higher antibody levels, and lower seroprevalence in families with pediatric index cases. Children show long-term SARS-CoV-2 antibody responses. These findings are relevant to novel variants with increased disease burden in children, as well as for the planning of age-appropriate vaccination strategies.
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Affiliation(s)
- Gabor A. Dunay
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Madalena Barroso
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Mathias Woidy
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Marta K. Danecka
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Geraldine Engels
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Katharina Hermann
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Friederike S. Neumann
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Kevin Paul
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Jan Beime
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Gabriele Escherich
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Kristin Fehse
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Lev Grinstein
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Franziska Haniel
- Department of Pediatric Cardiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Luka J. Haupt
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Laura Hecher
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Torben Kehl
- Department of Pediatric Cardiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Christoph Kemen
- Wilhelmstift Children’s Hospital, Liliencronstraße 130, 22149 Hamburg, Germany
| | - Markus J. Kemper
- Asklepios Klinik Nord – Heidberg, Tangstedter Landstraße 400, 22417 Hamburg, Germany
| | - Robin Kobbe
- Institute for Infection Research and Vaccine Development (IIRVD), University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Aloisa Kohl
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Thomas Klokow
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Dominik Nörz
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Jakob Olfe
- Department of Pediatric Cardiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Friderike Schlenker
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Jessica Schmiesing
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Johanna Schrum
- Department of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Freya Sibbertsen
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Philippe Stock
- Altona Children’s Hospital, Bleickenallee 38, 22763 Hamburg, Germany
| | - Stephan Tiede
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Eik Vettorazzi
- Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Dimitra E. Zazara
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany ,Department of Obstetrics and Prenatal Medicine, Division for Experimental Feto-Maternal Medicine, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Antonia Zapf
- Institute of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Marc Lütgehetmann
- Institute of Medical Microbiology, Virology and Hygiene, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Jun Oh
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Thomas S. Mir
- Department of Pediatric Cardiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Ania C. Muntau
- Department of Pediatrics, Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
| | - Søren W. Gersting
- University Children’s Research, UCR@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20251 Hamburg, Germany
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Loos S, Kemper MJ, Schmaeschke K, Herden U, Fischer L, Hoppe B, Levart TK, Grabhorn E, Schild R, Oh J, Brinkert F. Long-term outcome after combined or sequential liver and kidney transplantation in children with infantile and juvenile primary hyperoxaluria type 1. Front Pediatr 2023; 11:1157215. [PMID: 37009285 PMCID: PMC10064088 DOI: 10.3389/fped.2023.1157215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 02/28/2023] [Indexed: 04/04/2023] Open
Abstract
Introduction Combined or sequential liver and kidney transplantation (CLKT/SLKT) restores kidney function and corrects the underlying metabolic defect in children with end-stage kidney disease in primary hyperoxaluria type 1 (PH1). However, data on long-term outcome, especially in children with infantile PH1, are rare. Methods All pediatric PH1-patients who underwent CLKT/SLKT at our center were analyzed retrospectively. Results Eighteen patients (infantile PH1 n = 10, juvenile PH1 n = 8) underwent transplantation (CLKT n = 17, SLKT n = 1) at a median age of 5.4 years (1.5-11.8). Patient survival was 94% after a median follow-up of 9.2 years (6.4-11.0). Liver and kidney survival-rates after 1, 10, and 15 years were 90%, 85%, 85%, and 90%, 75%, 75%, respectively. Age at transplantation was significantly lower in infantile than juvenile PH1 (1.6 years (1.4-2.4) vs. 12.8 years (8.4-14.1), P = 0.003). Median follow-up was 11.0 years (6.8-11.6) in patients with infantile PH1 vs. 6.9 years (5.7-9.9) in juvenile PH1 (P = 0.15). At latest follow-up kidney and/or liver graft loss and/or death showed a tendency to a higher rate in patients with infantile vs. juvenile PH1 (3/10 vs. 1/8, P = 0.59). Discussion In conclusion, the overall patient survival and long-term transplant outcome of patients after CLKT/SLKT for PH1 is encouraging. However, results in infantile PH1 tended to be less optimal than in patients with juvenile PH1.
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Affiliation(s)
- Sebastian Loos
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Correspondence: Sebastian Loos
| | - Markus J. Kemper
- Department of Pediatrics, Asklepios Klinik Nord Heidberg, Hamburg, Germany
| | - Kaja Schmaeschke
- Department of Pediatric Gastroenterology and Hepatology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Uta Herden
- Department of Hepatobiliary and Transplant Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lutz Fischer
- Department of Hepatobiliary and Transplant Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Bernd Hoppe
- German Hyperoxaluria Center, c/o Kindernierenzentrum Bonn, Bonn, Germany
| | | | - Enke Grabhorn
- Department of Pediatric Gastroenterology and Hepatology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Raphael Schild
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jun Oh
- Department of Pediatric Nephrology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Pediatric Gastroenterology and Hepatology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Pediatrics, University Children's Hospital, University Children's Research@Kinder-UKE, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Florian Brinkert
- Department of Pediatric Gastroenterology and Hepatology, University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Bopp L, Martinez ML, Schumacher C, Lukas D, Oh J, Brodesser S, Brachvogel B, Geltink RK, Fabri M. 018 Imiquimod perturbs amino acid metabolism in human CD8+ T cells. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Goodman B, Oh J, Ferastraoaru D. SUGAMMADEX ANAPHYLAXIS. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Gutkin P, Skinner L, Jiang A, Donaldson S, Loo B, Oh J, Von Eyben R, Bredfeldt J, Breneman J, Constine L, Faught A, Haas-Kogan D, Holmes J, Krasin M, Larkin C, Marcus K, Maxim P, Murphy B, Palmer J, Perkins S, Terezakis S, Bush K, Hiniker S. A 10-Center Prospective Clinical Trial of the Audio-Visual Assisted Therapeutic Ambience in Radiotherapy (AVATAR) System for Anesthesia Avoidance in Pediatric Patients. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Kim W, Jo JC, Koh Y, Yang D, Yoon D, Kwon J, Lee GW, Yoo K, Oh J, Lee J, Kim H. 207MO Efficacy and safety of IMC-001, anti-PD-L1 antibody, in patients with relapsed or refractory extranodal NK/T cell lymphoma, nasal type (R/R ENKTL). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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Hui C, Marquez C, Simiele E, Blomain E, Oh J, Bertaina A, Klein O, Shyr D, Jiang A, Hoppe R, Kovalchuk N, Hiniker S. Volumetric Modulated Arc Therapy Total Body Irradiation (VMAT-TBI) in Pediatric and Adolescent/Young Adult Patients Undergoing Stem Cell Transplantation: Early Outcomes and Toxicities. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Doerry K, Oh J, Vincent D, Fischer L, Schulz-Jürgensen S. Religious and cultural aspects of organ donation: Narrowing the gap through understanding different religious beliefs. Pediatr Transplant 2022; 26:e14339. [PMID: 35735257 DOI: 10.1111/petr.14339] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 04/10/2022] [Accepted: 04/23/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND The supply of viable organ donations falls significantly below the demand. Discrepancies concerning the availability of transplants cannot be explained solely by the various consent models used in different countries. There is evidence that religious beliefs of patients, potential donors, and healthcare professionals also play an important role in the decision-making process. However, to date, very little research has been conducted on the consequences of specific religious beliefs on transplantation rates. The aim of this review was to outline the religious views of Christians, Muslims, Jews, Hindus, and Buddhists on organ donation. Additionally, different approaches to address this topic throughout the world are presented and can function as a helpful background for medical professionals. METHODS The umbrella organizations of the five largest religious movements were asked for written statements concerning the subject of organ transplantation, and a literature review was performed. RESULTS All German religious umbrella organizations have a positive view on organ donation, if certain rules are respected. Particularly, deceased donations are supported as a sign of altruism, love, and respect for another human being. Different aspects of the transplant process (e.g., consent, brain death, and respect for the dead body) are particularly stressed in some religions. CONCLUSIONS In general, the religious groups addressed here are in favor of organ donations. Nevertheless, there are important particularities to be considered. Hopefully, understanding the different religious views on organ donations will help in reducing religious concerns about transplantation and narrowing the gap between the need and the availability of organ donations.
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Affiliation(s)
- Katja Doerry
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jun Oh
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Deirdre Vincent
- University Children's Hospital, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lutz Fischer
- Department of Visceral Transplantation, University Medical Center Hamburg Eppendorf, Hamburg, Germany
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Prytula A, Shroff R, Krupka K, Deschepper E, Bacchetta J, Ariceta G, Awan A, Benetti E, Büscher A, Berta L, Carraro A, Christian M, Dello Strologo L, Doerry K, Haumann S, Klaus G, Kempf C, Kranz B, Oh J, Pape L, Pohl M, Printza N, Rubik J, Schmitt CP, Shenoy M, Spartà G, Staude H, Sweeney C, Weber L, Weber S, Weitz M, Haffner D, Tönshoff B. Hyperparathyroidism Is an Independent Risk Factor for Allograft Dysfunction in Pediatric Kidney Transplantation. Kidney Int Rep 2022; 8:81-90. [PMID: 36644359 PMCID: PMC9832060 DOI: 10.1016/j.ekir.2022.10.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/15/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Introduction Little is known about the consequences of deranged chronic kidney disease-mineral and bone disorder (CKD-MBD) parameters on kidney allograft function in children. We examined a relationship between these parameters over time and allograft outcome. Methods This registry study from the Cooperative European Paediatric Renal Transplant Initiative (CERTAIN) collected data at baseline, months 1, 3, 6, 9, and 12 after transplant; and every 6 months thereafter up to 5 years. Survival analysis for a composite end point of graft loss or estimated glomerular filtration rate (eGFR) ≤30 ml/min per 1.73 m2 or a ≥50% decline from eGFR at month 1 posttransplant was performed. Associations of parathyroid hormone (PTH), calcium, phosphate, and 25-hydroxyvitamin D (25(OH)D) with allograft outcome were investigated using conventional stratified Cox proportional hazards models and further verified with marginal structural models with time-varying covariates. Results We report on 1210 patients (61% boys) from 16 European countries. The composite end point was reached in 250 grafts (21%), of which 11 (4%) were allograft losses. In the conventional Cox proportional hazards models adjusted for potential confounders, only hyperparathyroidism (hazard ratio [HR], 2.94; 95% confidence interval [CI], 1.82-4.74) and hyperphosphatemia (HR, 1.94; 95% CI, 1.28-2.92) were associated with the composite end point. Marginal structural models showed similar results for hyperparathyroidism (HR, 2.74; 95% CI, 1.71-4.38), whereas hyperphosphatemia was no longer significant (HR, 1.35; 95% CI, 0.87-2.09), suggesting that its association with graft dysfunction can be ascribed to a decline in eGFR. Conclusion Hyperparathyroidism is a potential independent risk factor for allograft dysfunction in children.
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Affiliation(s)
- Agnieszka Prytula
- Department of Pediatric Nephrology and Rheumatology, Ghent University Hospital, Ghent, Belgium
- Correspondence: Agnieszka Prytula, Department of Pediatric Nephrology and Rheumatology, Ghent University Hospital, Corneel Heymanslaan 10, Ghent 9000, Belgium.
| | - Rukshana Shroff
- Renal Unit, University College London Great Ormond Street Hospital, London, United Kingdom
| | - Kai Krupka
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Ellen Deschepper
- Biostatistics Unit, Department of Public Health and Primary Care, Ghent University, Ghent, Belgium
| | - Justine Bacchetta
- Reference Center for Rare Renal Diseases, Reference Center for Rare Diseases of Calcium and Phosphate Metabolism, Hospices Civils de Lyon, France
| | - Gema Ariceta
- Pediatric Nephrology. University Hospital Vall d’ Hebron, Barcelona, Spain
| | - Atif Awan
- Department of Nephrology and Transplantation, Temple Street, Dublin, Ireland
| | - Elisa Benetti
- Pediatric Nephrology, Dialysis and Transplant Unit, Laboratory of Immunopathology and Molecular Biology of the Kidney, Department of Women’s and Children’s Health, Padua University Hospital, Padua, Italy
| | - Anja Büscher
- Department of Pediatrics II, University Hospital of Essen, Essen, Germany
| | - László Berta
- First Department of Pediatrics, Semmelweis University, Budapest, Hungary
| | - Andrea Carraro
- Pediatric Nephrology, Dialysis and Transplant Unit, Laboratory of Immunopathology and Molecular Biology of the Kidney, Department of Women’s and Children’s Health, Padua University Hospital, Padua, Italy
| | | | - Luca Dello Strologo
- Renal Transplant Unit, Bambino Gesù Children’s Research Hospital Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Katja Doerry
- Department of Pediatric Nephrology and Transplantation, University Children’s Hospital, University Medical Center Hamburg/Eppendorf, Hamburg, Germany
| | - Sophie Haumann
- Pediatric Nephrology, Children’s and Adolescents’ Hospital, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Guenter Klaus
- KfH-Pediatric Kidney Center and Department of Pediatrics, Philipps-University of Marburg, Marburg, Germany
| | - Caroline Kempf
- Department of Pediatric Gastroenterology, Nephrology and Metabolism, Charité–University Medicine Berlin, Berlin, Germany
| | | | - Jun Oh
- Department of Pediatric Nephrology and Transplantation, University Children’s Hospital, University Medical Center Hamburg/Eppendorf, Hamburg, Germany
| | - Lars Pape
- Department of Pediatrics II, University Hospital of Essen, Essen, Germany
| | - Martin Pohl
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Medical Center–University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Nikoleta Printza
- Pediatric Nephrology Unit, Pediatric Department I, Hippokration General Hospital, Aristotle University, Thessaloniki, Greece
| | - Jacek Rubik
- Department of Nephrology, Kidney Transplantation and Arterial Hypertension, Children’s Memorial Health Institute, Warsaw, Poland
| | - Claus Peter Schmitt
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Mohan Shenoy
- Royal Manchester Children’s Hospital, Manchester, United Kingdom
| | - Giuseppina Spartà
- Department of Pediatric Nephrology, University Children’s Hospital Zurich, Zurich, Switzerland
| | | | - Clodagh Sweeney
- Department of Nephrology and Transplantation, Temple Street, Dublin, Ireland
| | - Lutz Weber
- Pediatric Nephrology, Children’s and Adolescents’ Hospital, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Stefanie Weber
- KfH-Pediatric Kidney Center and Department of Pediatrics, Philipps-University of Marburg, Marburg, Germany
| | - Marcus Weitz
- Department of General Pediatrics and Hematology/Oncology, University Children’s Hospital Tuebingen, Tuebingen, Germany
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
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Patry C, Sauer LD, Sander A, Krupka K, Fichtner A, Brezinski J, Geissbühler Y, Aubrun E, Grinienko A, Strologo LD, Haffner D, Oh J, Grenda R, Pape L, Topaloğlu R, Weber LT, Bouts A, Kim JJ, Prytula A, König J, Shenoy M, Höcker B, Tönshoff B. Emulation of the control cohort of a randomized controlled trial in pediatric kidney transplantation with Real-World Data from the CERTAIN Registry. Pediatr Nephrol 2022; 38:1621-1632. [PMID: 36264431 PMCID: PMC9584233 DOI: 10.1007/s00467-022-05777-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/02/2022] [Accepted: 09/29/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Randomized controlled trials in pediatric kidney transplantation are hampered by low incidence and prevalence of kidney failure in children. Real-World Data from patient registries could facilitate the conduct of clinical trials by substituting a control cohort. However, the emulation of a control cohort by registry data in pediatric kidney transplantation has not been investigated so far. METHODS In this multicenter comparative analysis, we emulated the control cohort (n = 54) of an RCT in pediatric kidney transplant patients (CRADLE trial; ClinicalTrials.gov NCT01544491) with data derived from the Cooperative European Paediatric Renal Transplant Initiative (CERTAIN) registry, using the same inclusion and exclusion criteria (CERTAIN cohort, n = 554). RESULTS Most baseline patient and transplant characteristics were well comparable between both cohorts. At year 1 posttransplant, a composite efficacy failure end point comprising biopsy-proven acute rejection, graft loss or death (5.8% ± 3.3% vs. 7.5% ± 1.1%, P = 0.33), and kidney function (72.5 ± 24.9 vs. 77.3 ± 24.2 mL/min/1.73 m2 P = 0.19) did not differ significantly between CRADLE and CERTAIN. Furthermore, the incidence and severity of BPAR (5.6% vs. 7.8%), the degree of proteinuria (20.2 ± 13.9 vs. 30.6 ± 58.4 g/mol, P = 0.15), and the key safety parameters such as occurrence of urinary tract infections (24.1% vs. 15.5%, P = 0.10) were well comparable. CONCLUSIONS In conclusion, usage of Real-World Data from patient registries such as CERTAIN to emulate the control cohort of an RCT is feasible and could facilitate the conduct of clinical trials in pediatric kidney transplantation. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Christian Patry
- Department of Pediatrics I, University Children's Hospital Heidelberg, Heidelberg, Germany.
| | - Lukas D. Sauer
- Institute of Medical Biometry, University of Heidelberg, Heidelberg, Germany
| | - Anja Sander
- Institute of Medical Biometry, University of Heidelberg, Heidelberg, Germany
| | - Kai Krupka
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Alexander Fichtner
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Jolanda Brezinski
- Institute of Medical Biometry, University of Heidelberg, Heidelberg, Germany
| | | | | | | | - Luca Dello Strologo
- Renal Transplant Unit, Bambino Gesù Children’s Hospital, Pediatric subspecialities, Rome, Italy
| | - Dieter Haffner
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School, Hannover, Germany
| | - Jun Oh
- Pediatric Nephrology, University Hospital Hamburg, Hamburg, Germany
| | - Ryszard Grenda
- Department of Nephrology, Kidney Transplantation and Hypertension, Children’s Memorial Health Institute, Warsaw, Poland
| | - Lars Pape
- Clinic for Paediatrics III, Essen University Hospital, Essen, Germany
| | - Rezan Topaloğlu
- Department of Pediatric Nephrology, School of Medicine, Hacettepe University, Ankara, Turkey
| | - Lutz T. Weber
- Pediatric Nephrology, Children’s and Adolescents’ Hospital, University Hospital Cologne, Medical Faculty University of Cologne, Cologne, Germany
| | - Antonia Bouts
- Department of Pediatric Nephrology, Amsterdam University Medical Center, Emma Children’s Hospital, Amsterdam, The Netherlands
| | - Jon Jin Kim
- Department of Paediatric Nephrology, Nottingham University Hospital, Nottingham, UK
| | - Agnieszka Prytula
- Pediatric Nephrology and Rheumatology Department, Ghent University Hospital, Ghent, Belgium
| | - Jens König
- Department of General Pediatrics, University Children’s Hospital, Munster, Germany
| | - Mohan Shenoy
- Paediatric Nephrology, Royal Manchester Children’s Hospital, Manchester, UK
| | - Britta Höcker
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
| | - Burkhard Tönshoff
- Department of Pediatrics I, University Children’s Hospital Heidelberg, Heidelberg, Germany
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Kim SE, Chun KH, Oh J, Yu HT, Lee CJ, Kim TH, Pak HN, Lee MH, Joung B, Kang SM. Prediction of response to cardiac resynchronization therapy using cardiac magnetic resonance imaging in non-ischemic dilated cardiomyopathy. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Cardiac resynchronization therapy (CRT) is a well-established therapy for symptomatic heart failure with reduced ejection fraction, but the response is different for individuals. Although many modalities have been conducted to predict CRT response, cardiac magnetic resonance (CMR) to predict CRT response has still insufficient usefulness.
Purpose
We determine whether the parameters including late gadolinium enhancement (LGE) identified in CMR could act as predictors of CRT response.
Methods
We retrospectively investigated 124 patients with non-ischemic dilated cardiomyopathy who underwent CMR before CRT implantation between Jan 2010 and July 2021 in a single center. CRT response was defined as a decrease in left ventricular end-systolic volume (LVESV) >15% on echocardiography after at least 3 months after CRT implantation.
Results
Among the study population (mean age 65.7±11.2 years, mean EF 25±6.5%, 50% of female), 85 (69%) patients were defined as CRT responder. The CRT responders had more left bundle branch block (LBBB) compared with non-responders [79 (92.9%) vs. 23 (59.0%), p<0.001], but there was a no difference of QRS duration (158.7 vs 165.0ms, p=0.054) between two groups. CMR analysis showed that there were no significant differences in the left ventricular (LV) chamber volume and LV ejection fraction between CRT-responder and non-responder. However, the right ventricular (RV) chamber volume was smaller (RV end-diastolic volume index, 86.3 vs 103.5 ml/m2, p=0.039; RV end-systolic volume index, 49.3 vs 68.5 ml/m2, p=0.013) and the RV ejection fraction (RVEF) was higher (46.9 vs 37.6%, p=0.002) in CRT-responders compared with non-responders. The LGE on CMR was more shown in non-responders than in CRT-responders [33 (84.6%) vs 45 (52.9%), p<0.001]. In CMR parameters, RV dysfunction (RVEF <45%) [Odds ratio (OR), 0.21 (0.05–0.93), p=0.045] and LGE [OR, 0.21 (0.05–0.58), p=0.01] were significantly associated with poor CRT response.
Conclusions
The presence of LGE and RV dysfunction on CMR were associated with poor CRT response in patients with non-ischemic dilated cardiomyopathy. Further investigation with CMR for pre-CRT patients is needed to support these results.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- S E Kim
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - K H Chun
- NHIS Ilsan Hospital, Cardiology , Goyang , Korea (Republic of)
| | - J Oh
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - H T Yu
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - C J Lee
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - T H Kim
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - H N Pak
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - M H Lee
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - B Joung
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - S M Kang
- Severance Cardiovascular Hospital, Yonsei University College of Medicine , Seoul , Korea (Republic of)
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Oh J, Yoon M, Lee SH, Lee CJ, Park S, Lee SH, Kang SM. Genetic analysis of Korean non-ischemic dilated cardiomyopathy using next generation sequencing. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Non-ischemic dilated cardiomyopathy (NIDCM) is a genetic disorder that causes heart failure and life-threatening arrhythmia. However, there has been no study about the up-to-date genetic analysis for NIDCM in Korean. Therefore, we performed the genetic analysis of Korean NIDCM patients (pts) using next generation sequencing (NGS).
Methods
We analyzed clinical and echocardiographic data of 203 NIDCM in a single center from July 2017 to May 2020. All pts underwent NGS analysis with customized panel including 369 genes. Genetic variants were classified as pathogenic, likely pathogenic mutations or variants of uncertain significance regarding American College of Medical Genetics guideline.
Results
A total of 203 NIDCM pts (57±15 years old, 32.0% male, LVEF 28%) had NGS analysis. Thirty-seven (18.2%) pts had pathogenic or likely pathogenic mutations. The most prevalent mutated genes were TTN (n=16, 43.2%). TNNT2 (n=6, 16.2%), MYBPC3 (n=6, 16.2%) and MYH7 (n=3, 8.1%) mutated genes were common in the following order. The patients with positive panel mutation had no significant difference in initial LVEF (27% vs. 28%, p=0.216) and prevalence of atrial fibrillation (37.8% vs. 44.6%, p=0.454) compared with patients with negative panel mutation. During the median follow-up period of 40 months, there was no significant difference in composite outcome (all-cause death, heart transplantation, LVAD, heart failure re-admission, fatal arrhythmia) (35.3% vs. 32.2%, p=0.729) or presence of improved EF (≥10 points increase from baseline LVEF, and a second measurement of LVEF >40%) (41.2% vs. 50.0%, p=0.354) between the two groups.
Conclusion
This is the first study of NGS analysis in Korean NIDCM pts. We could find disease-related pathogenic or likely pathogenic mutations in 18.2% NIDCM patients. Further prospective, large study should be warranted to elucidate the effect of genetic mutation in clinical manifestation and prognosis of NIDCM in Korean population.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- J Oh
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
| | - M Yoon
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
| | - S H Lee
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
| | - C J Lee
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
| | - S Park
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
| | - S H Lee
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
| | - S M Kang
- Yonsei University College of Medicine, Cardiology Division , Seoul , Korea (Republic of)
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Chun KH, Oh J, Lee CJ, Kang SM. In-hospital glycemic variability and all-cause mortality in patients hospitalized with acute heart failure: analysis of the KorAHF registry. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.1075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
Glycemic variability (GV) is known to be a poor prognostic marker in various diseases including cardiovascular disease.
Purpose
We investigated the association of GV with all-cause mortality in patients with acute heart failure (HF).
Methods
The Korean Acute Heart Failure registry enrolled patients hospitalized for acute HF from 2011 to 2014. Among survivors of the index hospitalization, we analyzed those who had ≥3 blood glucose measurements before discharge. Patients were divided into two groups based on their coefficient of variation (%CV) as an indicator of GV. We investigated all-cause mortality at 6 month and 1 year after discharge.
Results
The study analyzed 2,617 patients (median age 72 years, 53% male). During the median follow-up period of 11 months, 583 (22%) patients died. Compared to alive patients, patients who died had a significantly higher diabetes prevalence (46% vs. 41%, P=0.035) and higher %CV (31.0% vs. 27.5%, P<0.001). Kaplan-Meier curve analysis revealed that a high GV (%CV >21%) was associated with lower cumulative survival to all-cause death compared with a low GV (%CV ≤21%) (log-rank P<0.001). Multivariate Cox proportional analysis showed that a high GV was associated with an increased risk of 6-month mortality (hazard ratio [HR] 2.02, 95% CI 1.58–2.59, P<0.001) and one-year mortality (HR 1.57, 95% CI 1.29–1.91, P<0.001). The risk of high GV for one-year mortality was significant in non-diabetic patients (HR 1.98, 95% CI 1.55–2.53, P<0.001), but not in diabetic patients (HR 1.24, 95% CI 0.91–1.69, P=0.176; P-for-interaction=0.030).
Conclusion
A high GV (%CV >21%) before discharge was associated with all-cause mortality within 1 year, especially in non-diabetic acute HF patients.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- K H Chun
- Yonsei University College of Medicine , Seoul , Korea (Republic of)
| | - J Oh
- Yonsei University College of Medicine, Severance Cardiovascular Hospital , Seoul , Korea (Republic of)
| | - C J Lee
- Yonsei University College of Medicine, Severance Cardiovascular Hospital , Seoul , Korea (Republic of)
| | - S M Kang
- Yonsei University College of Medicine, Severance Cardiovascular Hospital , Seoul , Korea (Republic of)
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