51
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Grewal MK, Adams MD, Valentini RP. Vasculitis and Kidney Disease. Pediatr Clin North Am 2022; 69:1199-1217. [PMID: 36880930 DOI: 10.1016/j.pcl.2022.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pediatric vasculitis is a complex group of disorders that commonly presents with multisystem involvement. Renal vasculitis can be isolated to the kidneys or can occur as part of a broader multiorgan vasculitis. Depending on severity, renal vasculitis may present as acute glomerulonephritis (AGN) often associated with hypertension and sometimes with a rapidly deteriorating clinical course. Prompt diagnosis and initiation of therapy are key to preserving kidney function and preventing long-term morbidity and mortality. This review focuses on the clinical presentation, diagnosis, and treatment objectives for common forms of renal vasculitis seen in pediatric patients.
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Affiliation(s)
- Manpreet K Grewal
- Division of Nephrology and Hypertension, Department of Pediatrics, Children's Hospital of Michigan, 3901 Beaubien Boulevard, MI, 48201, USA; Department of Pediatrics, Central Michigan University College of Medicine, 1280 East Campus Drive, Mount Pleasant, MI 48858, USA
| | - Matthew D Adams
- Department of Pediatrics, Wayne State University School of Medicine, 540 East Canfield Street, Detroit, MI 48201, USA
| | - Rudolph P Valentini
- Division of Nephrology and Hypertension, Department of Pediatrics, Children's Hospital of Michigan, 3901 Beaubien Boulevard, MI, 48201, USA; Department of Pediatrics, Central Michigan University College of Medicine, 1280 East Campus Drive, Mount Pleasant, MI 48858, USA.
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52
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Aymonnier K, Amsler J, Lamprecht P, Salama A, Witko‐Sarsat V. The neutrophil: A key resourceful agent in immune‐mediated vasculitis. Immunol Rev 2022; 314:326-356. [PMID: 36408947 DOI: 10.1111/imr.13170] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The term "vasculitis" refers to a group of rare immune-mediated diseases characterized by the dysregulated immune system attacking blood vessels located in any organ of the body, including the skin, lungs, and kidneys. Vasculitides are classified according to the size of the vessel that is affected. Although this observation is not specific to small-, medium-, or large-vessel vasculitides, patients show a high circulating neutrophil-to-lymphocyte ratio, suggesting the direct or indirect involvement of neutrophils in these diseases. As first responders to infection or inflammation, neutrophils release cytotoxic mediators, including reactive oxygen species, proteases, and neutrophil extracellular traps. If not controlled, this dangerous arsenal can injure the vascular system, which acts as the main transport route for neutrophils, thereby amplifying the initial inflammatory stimulus and the recruitment of immune cells. This review highlights the ability of neutrophils to "set the tone" for immune cells and other cells in the vessel wall. Considering both their long-established and newly described roles, we extend their functions far beyond their direct host-damaging potential. We also review the roles of neutrophils in various types of primary vasculitis, including immune complex vasculitis, anti-neutrophil cytoplasmic antibody-associated vasculitis, polyarteritis nodosa, Kawasaki disease, giant cell arteritis, Takayasu arteritis, and Behçet's disease.
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Affiliation(s)
- Karen Aymonnier
- INSERM U1016, Institut Cochin, Université Paris Cité, CNRS 8104 Paris France
| | - Jennifer Amsler
- INSERM U1016, Institut Cochin, Université Paris Cité, CNRS 8104 Paris France
| | - Peter Lamprecht
- Department of Rheumatology and Clinical Immunology University of Lübeck Lübeck Germany
| | - Alan Salama
- Department of Renal Medicine, Royal Free Hospital University College London London UK
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Ivanchikov VV, Murashkin NN, Ambarchian ET, Kuzminova AD. Serum Sickness-Like Reaction Associated with Epstein – Barr Virus: Clinical Case. CURRENT PEDIATRICS 2022. [DOI: 10.15690/vsp.v21i5.2455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Background. Annular dermatoses are a group of diseases with major clinical manifestation of rashes of relevant form. This manifestation pattern causes difficulties in diagnosis. The case of rarely diagnosed annular dermatosis is presented: serum siknesslike reaction (SSLR) triggered by the Epstein – Barr virus (EBV). Clinical case description. Patient D., 8 years old girl, noted abdominal pain 3 weeks before hospitalization, and later numerous polymorphic rashes (erythematous macules, urticarial elements), swelling and pain in joints. Self-treatment with non-steroidal anti-inflammatory and systemic antihistamines did not lead to any improvement. The patient was hospitalized in the pediatric department at the place of residence, where the diagnosis “Henoch-Schonlein purpura, mixed type” was established according to the results of physical, laboratory (double increase of ALT and AST, ESR up to 166 mm/h, IgM to EBV), and ultrasound (mesenteric lymph nodes hyperplasia) studies. Systemic glucocorticosteroids have led to improvement, however, few days after the end of the treatment there was relapse of rash and arthralgia. Thus, the girl was administrated to clinical diagnostic center. Patient’s general condition was satisfactory at the time of examination. There were numerous erythematous annular urticarial and macular elements (3–12 cm) on the skin of face, body and limbs. Some foci, as well as some resolved rashes had blue spots with indistinct boundaries that disappeared after compression. Mucous membranes, nails and hair were intact. Subjective symptoms — slight burning around rashes, at palpation — low-intensity pain in the left radiocarpal joint. Blood tests: C-reactive protein concentration increased up to 12 mg/L, ESR up to 26 mm/h, IgG to EBV up to 47.7. Conclusion. During differential diagnosis we should consider the possibility of SSLR development in all pediatric patients with annular rashes associated with arthralgia and/or arthritis, fever, history of drug use (most often beta-lactam antibiotics), recent vaccination or manifestations of viral infection, especially in case of cyanotic spots after rashes resolution and non-specific laboratory parameters.
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Affiliation(s)
- V. V. Ivanchikov
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
| | - N. N. Murashkin
- National Medical Research Center of Children’s Health; Central State Medical Academy of Department of Presidential Affairs
| | - E. T. Ambarchian
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
| | - A. D. Kuzminova
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
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54
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Liu Y, Zeng H, Wang B, Ji P. Intra-abdominal hemorrhage with shock in an adult patient with IgA vasculitis. Asian J Surg 2022; 46:1898-1899. [PMID: 36369135 DOI: 10.1016/j.asjsur.2022.10.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 10/27/2022] [Indexed: 11/10/2022] Open
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Castelli B, Marrani E, Fusco E, Chiara C, Pagnini I, Simonini G. Adjunctive treatment with infliximab in pediatric immunoglobulin A (IgA) vasculitis: A case report. Pediatr Dermatol 2022; 39:946-949. [PMID: 35778929 DOI: 10.1111/pde.15077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 06/03/2022] [Indexed: 11/29/2022]
Abstract
Immunoglobulin A vasculitis (IgAV) is the most common childhood vasculitis affecting small vessels. No clear recommendations are available for severe pediatric cases, and until now, anti-TNF agents have had a limited role in IgAV management. In this report, we describe a pediatric case of severe IgAV, successfully treated with combined therapy including the anti-TNF, infliximab.
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Affiliation(s)
- Barbara Castelli
- Rheumatology Unit, AOU Meyer Children's Hospital, Florence, Italy
| | - Edoardo Marrani
- Rheumatology Unit, AOU Meyer Children's Hospital, Florence, Italy
| | - Eleonora Fusco
- Rheumatology Unit, AOU Meyer Children's Hospital, Florence, Italy
| | - Caporalini Chiara
- Division of Pathological Anatomy, AOU Meyer Children's Hospital, University of Florence, Florence, Italy
| | - Ilaria Pagnini
- Rheumatology Unit, AOU Meyer Children's Hospital, Florence, Italy
| | - Gabriele Simonini
- Rheumatology Unit, AOU Meyer Children's Hospital, Florence, Italy.,NEUROFARBA Department, University of Florence, Florence, Italy
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56
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Ashkenazi L, Hashkes PJ. 50 Years Ago in TheJournalofPediatrics: What Is Missing in the Renal Pathologic Findings Is the New Name of This Disease. J Pediatr 2022; 250:82. [PMID: 36376012 DOI: 10.1016/j.jpeds.2022.08.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Limor Ashkenazi
- Pediatric Rheumatology Unit, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Philip J Hashkes
- Pediatric Rheumatology Unit, Shaare Zedek Medical Center, Jerusalem, Israel
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Zhou J, Li L, Luo J, Yang Y, Shen X. Association between common laboratory indices and IgAV recurrence in children. BMC Pediatr 2022; 22:606. [PMID: 36258161 PMCID: PMC9580187 DOI: 10.1186/s12887-022-03657-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 09/22/2022] [Accepted: 10/05/2022] [Indexed: 11/29/2022] Open
Abstract
Background IgA vasculitis (IgAV) is a common type of vasculitis seen in children. IgAV recurrence can result in chronic kidney disease. We aimed to explore the association between common laboratory indices and IgAV recurrence in children, and to establish a prediction model. Methods This retrospective study included children with diagnosed with IgAV hospitalized in Bazhong Central Hospital, Sichuan, from January 2014 to December 2019. Children were assigned to two groups based on IgAV recurrence, and baseline clinical data were collected for comparison. A logistic regression model to predict IgAV recurrence was established. The receiver operating characteristic curve was plotted. The area under the curve (AUC) was used to detect performance of the predictive model. Results This study included 193 children (39 [20.2%], recurrence group; 154 [79.8%], non-recurrence group). Based on multivariate regression analysis, the duration of illness and joint involvement were independent predictors of IgAV recurrence in children (P < 0.05). No significant differences were observed in common laboratory indices (P > 0.05). The AUC of the prediction model was 0.766 (P < 0.001) with sensitivity of 74.4% and specificity of 68.8%. Conclusion Common laboratory indices were not associated with recurrence of IgAV in children.
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Affiliation(s)
- Juan Zhou
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, 646000, Luzhou, Sichuan, China.,Department of Pediatrics, Bazhong Central Hospital, 636000, Bazhong, Sichuan, China
| | - Li Li
- Department of Endocrinology, Bazhong Central Hospital, 636000, Bazhong, Sichuan, China
| | - Jing Luo
- Department of Pediatrics, Bazhong Central Hospital, 636000, Bazhong, Sichuan, China
| | - Yingtian Yang
- Department of Pediatrics, Bazhong Central Hospital, 636000, Bazhong, Sichuan, China
| | - Xing Shen
- Department of Pediatrics, The Affiliated Hospital of Southwest Medical University, 646000, Luzhou, Sichuan, China.
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58
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Butzer S, Hennies I, Gimpel C, Gellermann J, Schalk G, König S, Büscher AK, Lemke A, Pohl M. Early clinical course of biopsy-proven IgA vasculitis nephritis. BMC Pediatr 2022; 22:570. [PMID: 36195856 PMCID: PMC9531371 DOI: 10.1186/s12887-022-03611-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 09/14/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND IgA vasculitis (IgAV) is the most common form of systemic vasculitis in childhood and frequently involves the kidney. A minority of patients with IgA vasculitis nephritis (IgAVN), especially those presenting with heavy proteinuria and/or kidney failure at onset, are at risk of chronic end-stage kidney disease. For deciding upon treatment intensity, knowledge of the short-term clinical course of IgAVN is needed to improve treatment algorithms. METHODS For this retrospective multicenter study, the medical records of 66 children with biopsy-proven IgAVN were reviewed. Age, gender, medical history and therapeutic interventions were recorded. Laboratory data included serum creatinine, albumin, urinary protein excretion (UPE) and glomerular filtration rate (eGFR). Threshold values were determined for each parameter, full remission was defined as no proteinuria and eGFR > 90 ml/min/1.73m2. RESULTS Median age at onset of IgAVN was 8.9 years. 14.1% of the children presented with nephrotic syndrome, 50% had an eGFR below 90 ml/min/1.73 m2 and 51.5% showed cellular crescents in renal histology. The treatment regimens varied notably. Forty-four patients were treated with immunosuppression; 17 patients with crescents or nephrotic syndrome were treated with corticosteroid (CS) pulse therapy. After 6 months, UPE had decreased from 3.7 to 0.3 g/g creatinine and the proportion of patients with a decreased eGFR had fallen from 50.0% to 35.5%. Thirteen children (26.5%) achieved full remission within 6 months. CONCLUSIONS In most patients with IgAVN proteinuria decreases slowly and kidney function improves, but full remission is reached only in a minority after 6 months. Persistent heavy proteinuria in the first two months rarely developed into long-term proteinuria. Therefore, decisions for more intense treatment should take into account the course of UPE over time. For a comparison of treatment effects, patient numbers were too small. Prospective, randomized controlled trials are necessary to clarify risk factors and the effect of immunosuppressive therapies.
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Affiliation(s)
- Sarina Butzer
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany. .,University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Pediatrics, Cologne, Germany.
| | - Imke Hennies
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Hannover, Germany
| | - Charlotte Gimpel
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jutta Gellermann
- Department of Pediatric Nephrology, Charité University Hospital, Berlin, Germany
| | - Gesa Schalk
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Pediatrics, Cologne, Germany
| | - Sabine König
- University Children's Hospital Münster, Münster, Germany
| | - Anja K Büscher
- Department of Pediatrics II, Children's Hospital, University of Duisburg-Essen, Essen, Germany
| | - Anja Lemke
- Department of Pediatrics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Martin Pohl
- Department of General Pediatrics, Adolescent Medicine and Neonatology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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59
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Xu L, Li Y, Wu X. IgA vasculitis update: Epidemiology, pathogenesis, and biomarkers. Front Immunol 2022; 13:921864. [PMID: 36263029 PMCID: PMC9574357 DOI: 10.3389/fimmu.2022.921864] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 09/15/2022] [Indexed: 11/23/2022] Open
Abstract
Immunoglobulin A vasculitis (IgAV), formerly known as Henoch-Schönlein purpura, is the most common systemic vasculitis in children, characterized by diverse clinical manifestations with a wide spectrum ranging from isolated cutaneous vasculitis to systemic involvement. The incidence of IgAV is geographically and ethnically variable, with a prevalence in autumn and winter, suggesting a driving role that genetic and environmental factors play in the disease. Although IgAV has a certain degree of natural remission, it varies widely among individuals. Some patients can suffer from severe renal involvement and even progress to end-stage renal disease. Its pathogenesis is complex and has not been fully elucidated. The formation of galactose-deficient IgA1 (Gd-IgA1) and related immune complexes plays a vital role in promoting the occurrence and development of IgAV nephritis. In addition, neutrophil activation is stimulated through the binding of IgA to the Fc alpha receptor I expressed on its surface, resulting in systemic vascular inflammation and tissue damage. Starting from the epidemiological characteristics, this article will review the role of immunological factors such as Gd-IgA1, autoantibodies, circulating immune complexes, complement system, cellular immunization, and the contributions of environmental and genetic factors in the pathogenesis of IgAV, and conclude with the major biomarkers for IgAV.
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60
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Carucci NS, La Barbera G, Peruzzi L, La Mazza A, Silipigni L, Alibrandi A, Santoro D, Chimenz R, Conti G. Time of Onset and Risk Factors of Renal Involvement in Children with Henoch-Schönlein Purpura: Retrospective Study. CHILDREN 2022; 9:children9091394. [PMID: 36138703 PMCID: PMC9497900 DOI: 10.3390/children9091394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/25/2022] [Accepted: 09/13/2022] [Indexed: 11/27/2022]
Abstract
Background: Henoch-Schönlein purpura (HSP) is a common systemic vasculitis in children, involving the skin, musculoskeletal system, gastrointestinal tract and kidneys. Some studies in children have shown possible risk factors linked with the development and severity of HSP Nephritis (HSPN). The aim of this study was to research predicting factors for the development of HSPN. Methods: We retrospectively evaluated 132 pediatric patients with HSP, according to EULAR/PRINTO/PRESS criteria. All patients were screened for HSPN by urinalysis. Finally, we compared demographic, clinical and laboratory data in HSP patients with and without nephritis. Results: The median age at HSP diagnosis [6.2 (2.6–17.5) vs. 5.5 (0.8–15.4) years, p = 0.03] and the incidence of abdominal pain (48 vs. 27%, p = 0.01) were significantly higher in HSPN patients. No differences were evidenced regarding gender, allergic diseases, skin recurrences, gastrointestinal involvement, musculoskeletal involvement, scrotal involvement, and laboratory data (white blood cell count, neutrophil count, lymphocyte count, platelet count, C-reactive protein, erythrocyte sedimentation rate, and blood concentration of IgA). Conclusions: The age at diagnosis and abdominal pain were independent risk factors for renal involvement in HSP patients. However, due to the retrospective nature of this study, further long-term and prospective studies will be necessary.
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Affiliation(s)
- Nicolina Stefania Carucci
- Pediatric Nephrology and Rheumatology Unit, AOU G Martino, University of Messina, 98125 Messina, Italy
| | - Giulia La Barbera
- Pediatric Nephrology and Rheumatology Unit, AOU G Martino, University of Messina, 98125 Messina, Italy
| | - Licia Peruzzi
- Pediatric Nephrology Unit, Regina Margherita Department, Azienda Ospedaliero-Universitaria Città Della Salute E Della Scienza, 10126 Torino, Italy
- Correspondence:
| | - Antonella La Mazza
- Pediatric Nephrology and Rheumatology Unit, AOU G Martino, University of Messina, 98125 Messina, Italy
| | - Lorena Silipigni
- Pediatric Nephrology and Rheumatology Unit, AOU G Martino, University of Messina, 98125 Messina, Italy
| | - Angela Alibrandi
- Unit of Statistical and Mathematical Sciences, Department of Economics, University of Messina, 98125 Messina, Italy
| | - Domenico Santoro
- Unit of Nephrology and Dialysis, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy
| | - Roberto Chimenz
- Pediatric Nephrology and Rheumatology Unit, AOU G Martino, University of Messina, 98125 Messina, Italy
| | - Giovanni Conti
- Pediatric Nephrology and Rheumatology Unit, AOU G Martino, University of Messina, 98125 Messina, Italy
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Yoshida M, Nambu R, Yasuda R, Sakaguchi H, Hara T, Iwama I, Mizuochi T. Dapsone for Refractory Gastrointestinal Symptoms in Children With Immunoglobulin A Vasculitis. Pediatrics 2022; 150:188779. [PMID: 35975615 DOI: 10.1542/peds.2021-055884] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/21/2022] [Indexed: 11/24/2022] Open
Abstract
Immunoglobulin A vasculitis (IgAV) is a systemic small-vessel vasculitis. Although corticosteroids (CS) are the primary treatment for gastrointestinal manifestations associated with IgAV, some patients develop refractory or recurrent symptoms such as vomiting and abdominal pain despite CS treatment. Dapsone, a synthetic sulfone antimicrobial, has been used to treat cutaneous purpura in IgAV, but few authors have reported its use for refractory gastrointestinal symptoms. In this retrospective observational study, we describe results in 7 children with IgAV who were treated with dapsone for abdominal pain resistant to CS. Dapsone rapidly relieved abdominal pain in all 7 patients, who then were tapered off CS without relapse. Side effects of mild methemoglobinemia and hemolysis appeared to be manageable with planned monitoring and dose adjustment; a single patient who discontinued dapsone had fatigue and hypoxia associated with methemoglobinemia. No side effects were life-threatening. Dapsone may be considered as a therapeutic option for gastrointestinal symptoms refractory to CS in children with IgAV.
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Affiliation(s)
- Masashi Yoshida
- Division of Gastroenterology and Hepatology, Saitama Children's Medical Center, Saitama, Japan.,These authors contributed equally to this work
| | - Ryusuke Nambu
- Division of Gastroenterology and Hepatology, Saitama Children's Medical Center, Saitama, Japan.,These authors contributed equally to this work
| | - Ryosuke Yasuda
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, Japan
| | - Hirotaka Sakaguchi
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, Japan
| | - Tomoko Hara
- Division of Gastroenterology and Hepatology, Saitama Children's Medical Center, Saitama, Japan
| | - Itaru Iwama
- Division of Gastroenterology and Hepatology, Saitama Children's Medical Center, Saitama, Japan
| | - Tatsuki Mizuochi
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, Japan.,These authors contributed equally to this work
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Farisogullari B, Cuceoglu MK, Oral H, Yardimci GK, Bilginer Y, Ozen S, Karadag O. Biologics for immunoglobulin A vasculitis: targeting vasculitis or comorbid disease? Intern Emerg Med 2022; 17:1599-1608. [PMID: 35347546 DOI: 10.1007/s11739-022-02968-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 03/01/2022] [Indexed: 11/05/2022]
Abstract
In this study, we aimed to evaluate the clinical features and treatments, including the use of biological disease-modifying anti-rheumatic drugs (bDMARDs) in a large cohort of pediatric and adult immunoglobulin A vasculitis (IgAV). Since data on the use of bDMARDs in IgAV are very limited, we collated the reasons for use of bDMARDs during the disease course. Patients who were enrolled in the Hacettepe University Vasculitis Research Centre (HUVAC) registry were included. In this prospective database dating from 2014, there were 436 IgAV patients classified as IgAV according to Ankara 2008 and/or American College of Rheumatology 1990 criteria. 88 adults and 330 pediatric IgAV patients were included as the main study group. Concomitant spondyloarthritis (SpA) was observed only in adult patients (10% vs 0% in children, p < 0.001). IgAV relapse was more common in adults than in children (p: 0.017). Adult patients were mostly treated with corticosteroid (p < 0.001) and conventional synthetic disease-modifying anti-rheumatic drug treatment (< 0.001), while more than half of the pediatric patients were followed up without immunosuppressive treatment. Ten (11%) adult patients used biologics. Among them, two patients used rituximab due to IgAV disease activity, three used infliximab due to SpA, three used etanercept due to SpA (one patient had a pediatric onset enthesitis-related arthritis), and two used anakinra due to recurrent familial Mediterranean fever attacks. This is the first study evaluating the use of all bDMARDs for any reason in the IgAV cohorts in the literature. None of the pediatric patients used biologics. Our data suggest biologics are mainly used for comorbid inflammatory diseases over refractory vasculitis in adult IgAV.
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Affiliation(s)
- Bayram Farisogullari
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Hacettepe University Vasculitis Research Center, Sihhiye, 06100, Ankara, Turkey
| | - Muserref Kasap Cuceoglu
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Hacettepe University Vasculitis Research Center, Ankara, Turkey
| | - Hakan Oral
- Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Gozde Kubra Yardimci
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Hacettepe University Vasculitis Research Center, Sihhiye, 06100, Ankara, Turkey
| | - Yelda Bilginer
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Hacettepe University Vasculitis Research Center, Ankara, Turkey
| | - Seza Ozen
- Division of Rheumatology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Hacettepe University Vasculitis Research Center, Ankara, Turkey
| | - Omer Karadag
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Hacettepe University Vasculitis Research Center, Sihhiye, 06100, Ankara, Turkey.
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63
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Nagai S, Horinouchi T, Ninchoji T, Kondo A, Aoto Y, Ishiko S, Sakakibara N, Nagano C, Yamamura T, Kaito H, Tanaka R, Shima Y, Fujimura J, Kamiyoshi N, Ishimori S, Nakanishi K, Yoshikawa N, Iijima K, Nozu K. Use of renin-angiotensin system inhibitors as initial therapy in children with Henoch-Schönlein purpura nephritis of moderate severity. Pediatr Nephrol 2022; 37:1845-1853. [PMID: 35015121 DOI: 10.1007/s00467-021-05395-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 11/20/2021] [Accepted: 11/22/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Cases of Henoch-Schönlein purpura nephritis (HSPN) with moderate severity were demonstrated to achieve good prognosis after treatment with renin-angiotensin system (RAS) inhibitors. However, some patients required additional treatment for recurrence after remission. This study aimed to clarify the effect of RAS inhibitors in HSPN cases with moderate severity, including the proportion of cases with recurrence and their response to additional treatment. METHODS Among 126 patients diagnosed with HSPN between 1996 and 2019, 71 patients with clinicopathologically diagnosed HSPN of moderate severity, defined as ISKDC grade II-IIIa and serum albumin ≥ 2.5 g/dL, were investigated. RESULTS Proteinuria became negative after RAS inhibitor treatment alone in all 71 cases. However, 16 (22.5%) had recurrence. Eleven recurrent cases achieved negative proteinuria again following additional treatment. At the last follow-up (median 46.5 months; IQR, 23.2-98.2), 5 patients had persistent mild proteinuria; no patients had estimated glomerular filtration rate < 90 mL/min/1.73 m2. The pathological findings in all recurrent cases were ISKDC grade IIIa. The 16 recurrent cases had significantly higher proportions of glomeruli with global/segmental sclerosis (25.0 vs. 0%, P < 0.001) and tubular atrophy/interstitial fibrosis (37.5 vs. 12.7%, P =0.0 24) than 55 cases without recurrence. CONCLUSIONS Japanese childhood HSPN cases with moderate severity had good outcomes without need for corticosteroids or immunosuppressants, when prescribed RAS inhibitor treatment. Even in recurrent cases, abnormal proteinuria was transient, and prognosis was excellent. A higher resolution version of the Graphical abstract is available as Supplementary information.
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Affiliation(s)
- Sadayuki Nagai
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Tomoko Horinouchi
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan.
| | - Takeshi Ninchoji
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Atsushi Kondo
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Yuya Aoto
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Shinya Ishiko
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Nana Sakakibara
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - China Nagano
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Tomohiko Yamamura
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
| | - Hiroshi Kaito
- Department of Nephrology, Hyogo Prefectural Kobe Children's Hospital, 1-6-7 Minatojima-minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Ryojiro Tanaka
- Department of Nephrology, Hyogo Prefectural Kobe Children's Hospital, 1-6-7 Minatojima-minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Yuko Shima
- Department of Pediatrics, Wakayama Medical University, 811-1 Kimiidera, Wakayama, 641-8509, Japan
| | - Junya Fujimura
- Department of Pediatrics, Kakogawa Central City Hospital, 439 Honmachi, Kakogawa-cho, Kakogawa, 675-8611, Japan
| | - Naohiro Kamiyoshi
- Department of Pediatrics, Japanese Red Cross Society Himeji Hospita, 1-12-1 Shimoteno, Himeji, 670-8540, Japan
| | - Shingo Ishimori
- Department of Pediatrics, Takatsuki General Hospital, 1-3-13 Kosobe-cho, Takatsuki, 569-1192, Japan
| | - Koichi Nakanishi
- Department of Child Health and Welfare (Pediatrics), Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara-cho, Nakagami-gun, Okinawa, 903-0125, Japan
| | - Norishige Yoshikawa
- Clinical Research Center, Takatsuki General Hospital, 1-3-13 Kosobe-cho, Takatsuki, 569-1192, Japan
| | - Kazumoto Iijima
- Hyogo Prefectural Kobe Children's Hospital, 1-6-7 Minatojima-minamimachi, Chuo-ku, Kobe, 650-0047, Japan
- Department of Advanced Pediatric Medicine, Kobe University Graduate School of Medicine, 1-6-7 Minatojima-minamimachi, Chuo-ku, Kobe, 650-0047, Japan
| | - Kandai Nozu
- Department of Pediatrics, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
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Yang X, Li Q, He Y, Zhu Y, Yang R, Zhu X, Zheng X, Xiong W, Yang Y. Individualized medication based on pharmacogenomics and treatment progress in children with IgAV nephritis. Front Pharmacol 2022; 13:956397. [PMID: 35935867 PMCID: PMC9355498 DOI: 10.3389/fphar.2022.956397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/27/2022] [Indexed: 11/13/2022] Open
Abstract
Immunoglobulin A vasculitis (IgAV) nephritis, also known as Henoch-Schönlein purpura nephritis (HSPN), is a condition in which small blood vessel inflammation and perivascular IgA deposition in the kidney caused by neutrophil activation, which more often leads to chronic kidney disease and accounts for 1%–2% of children with end-stage renal disease (ESRD). The treatment principles recommended by the current management guidelines include general drug treatment, support measures and prevention of sequelae, among which the therapeutic drugs include corticosteroids, immunosuppressive agents and angiotensin system inhibitors. However, the concentration range of immunosuppressive therapy is narrow and the individualized difference is large, and the use of corticosteroids does not seem to improve the persistent nephropathy and prognosis of children with IgAV. Therefore, individualized maintenance treatment of the disease and stable renal prognosis are still difficult problems. Genetic information helps to predict drug response in advance. It has been proved that most gene polymorphisms of cytochrome oxidase P450 and drug transporter can affect drug efficacy and adverse reactions (ADR). Drug therapy based on genetics and pharmacogenomics is beneficial to providing safer and more effective treatment for children. Based on the pathogenesis of IgAV, this paper summarizes the current therapeutic drugs, explores potential therapeutic drugs, and focuses on the therapeutic significance of corticosteroids and immunosuppressants in children with IgAV nephritis at the level of pharmacogenomics. In addition, the individualized application of corticosteroids and immunosuppressants in children with different genotypes was analyzed, in order to provide a more comprehensive reference for the individualized treatment of IgAV nephritis in children.
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Affiliation(s)
- Xuerong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Qi Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuanyuan He
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yulian Zhu
- Department of Pharmacy, Ziyang People’s Hospital, Ziyang, China
| | - Rou Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoshi Zhu
- Department of Pediatrics, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, China
| | - Xi Zheng
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Wei Xiong
- Department of Hepatobiliary Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, China
- *Correspondence: Wei Xiong, ; Yong Yang,
| | - Yong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- *Correspondence: Wei Xiong, ; Yong Yang,
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65
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Epidemiology of biopsy-proven Henoch–Schönlein purpura nephritis in children: A nationwide survey in Japan. PLoS One 2022; 17:e0270796. [PMID: 35802668 PMCID: PMC9269900 DOI: 10.1371/journal.pone.0270796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 06/20/2022] [Indexed: 11/19/2022] Open
Abstract
Background Little is known about the epidemiology of Henoch–Schönlein purpura nephritis (HSPN). Methods We conducted a nationwide epidemiological survey of Japanese children aged 1 to 15 years with HSPN. Children who were newly diagnosed with HSPN by biopsy between January 2013 and December 2015 were eligible for the survey to clarify the incidence of HSPN. We also conducted an institutional survey on kidney biopsy criteria and treatment protocols. Results A total of 353 of 412 institutions (85.7%) responded to the questionnaire. Of the 353 institutions, 174 reported to perform kidney biopsies at their institutions, and 563 children were diagnosed with HSPN. Considering the collection rate, the estimated incidence of biopsy-proven HSPN was 1.32 cases/100,000 children per year. The median age at biopsy was 7.0 years, and the male-to-female ratio was 1.2:1. The kidney biopsy criteria and treatment protocols for HSPN were as follows. Patients with acute kidney injury underwent biopsy at least one month after onset. For patients without kidney dysfunction, the timing for biopsy was determined by the amount of proteinuria. Regarding the treatment of HSPN, there were certain commonalities among the treatment protocols, they eventually differed depending on the institutions involved. Conclusions The incidence of biopsy-proven HSPN was 1.32 cases/100,000 children per year in Japan. The male-to-female ratio and date of diagnosis of HSPN were similar to those in previous studies. The kidney biopsy criteria and treatment protocols for HSPN varied among institutions. Further studies are warranted to establish an optimal treatment policy based on the prognosis.
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Messova A, Pivina L, Muzdubayeva Z, Sanbayev D, Urazalina Z, Adams A. COVID-19 and New Onset IgA Vasculitis: A Systematic Review of Case Reports. J Emerg Nurs 2022; 48:348-365. [PMID: 35691763 PMCID: PMC9098918 DOI: 10.1016/j.jen.2022.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 05/08/2022] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Immunoglobulin A vasculitis is historically more commonly found in children after certain viral infections such as Epstein-Barr, varicella virus, and parvovirus B19. COVID-19 has not been formally established in literature as a trigger for immunoglobulin A vasculitis. However, a main pathogenetic mechanism of COVID-19 is vascular damage, which makes it likely that vasculitis associated with COVID-19 (ie, COVID-19-mediated immunoglobulin A vasculitis) could be biologically plausible, with serious implications, especially for adults. The purpose of this review is to assist emergency nurses in gaining knowledge on the pathophysiology, symptoms, and treatment of COVID-19-mediated immunoglobulin A vasculitis. METHODS A systematic search for case reports of COVID-19-associated immunoglobulin A vasculitis was conducted in the PubMed and Scopus electronic databases. The search terms used were COVID-19, coronavirus 2019, SARS COVID-19, and IgA vasculitis, case reports. The following were the inclusion criteria: publication dates between December 1, 2019, and December 1, 2021; full-text article, clinical case studies, and letters to the editor available electronically in English. The following were exclusion criteria: a summary of reports and newspaper publications. RESULTS Only 13 clinical cases met the inclusion criteria. The median age of patients described in the case reports were 38.1 years. Of them, 3 children were less than 5 years old. Twelve patients were male. In 7 of 13 cases of immunoglobulin A vasculitis, renal involvement was found. DISCUSSION The analysis of published clinical cases showed that COVID-19-associated immunoglobulin A vasculitis affected mostly adults and was characterized by a more severe course because of renal involvement. COVID-19 may be a possible trigger for immunoglobulin A-related disorders. More research is needed to better understand the relationship between immunoglobulin A vasculitis and COVID-19.
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67
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Meng M, Zhou Q, Lei W, Tian M, Wang P, Liu Y, Sun Y, Chen Y, Li Q. Recommendations on Off-Label Drug Use in Pediatric Guidelines. Front Pharmacol 2022; 13:892574. [PMID: 35754484 PMCID: PMC9218488 DOI: 10.3389/fphar.2022.892574] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 04/20/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: To systematically analyze the supporting evidence, drug information, and the type of off-label drug use in recommendations on off-label drug use in pediatric guidelines. Methods: A cross-sectional study was performed by systematic search through MEDLINE (via PubMed) and Embase databases to identify literature published from 1 January 2018, to 31 December 2020. Only pediatric clinical practice guidelines that included recommendations on off-label use of drugs were included. We present descriptive information on the sources of the included guidelines, country, publication year, evidence grading system used, details on the types of off-label drug use, and the types of studies used as references to support the recommendations. Results: A total of 66 pediatric guidelines with 605 recommendations were included. Eighty-seven (14.4%) recommendations did not cite any references; and the remaining 518 recommendations were supported by 2,240 references (mean 4.3 references/recommendation). The most common types of studies cited were pediatric RCTs (n = 314, 14.0%), pediatric case series studies (n = 260, 11.6%), and reviews (n = 255, 11.4%). Twenty-one percent (n = 470) of the references were studies on adults. One hundred and forty (23.1%) recommendations were graded using the Grading of Recommendations, Assessments, Development, and Evaluations (GRADE) system, of which 37 (26.4%) were graded as strong but supported with only C or D level of evidence. The most commonly reported type of information in the recommendations was indication (n = 499, 82.5%). The most commonly addressed type of off-label drug use in the 523 positive recommendations was unapproved population (n = 255, 48.8%). Sixty-nine (11.4%) recommendations explicitly reported the drug use as off-label. Conclusion: Children may be exposed to medical risks due to gaps in reporting and evidence of off-label drug use recommendations in pediatric guidelines.
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Affiliation(s)
- Min Meng
- Department of Chevidence Lab Child & Adolescent Health, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China.,Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, China
| | - Qi Zhou
- Institute of Health Data Science, Lanzhou University, Lanzhou, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Wenjuan Lei
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, China
| | - Min Tian
- Department of Pharmacy, Gansu Provincial Hospital, Lanzhou, China
| | - Ping Wang
- Institute of Health Data Science, Lanzhou University, Lanzhou, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
| | - Yunlan Liu
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Yajia Sun
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Yaolong Chen
- Department of Chevidence Lab Child & Adolescent Health, Children's Hospital of Chongqing Medical University, Chongqing, China.,Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China.,Institute of Health Data Science, Lanzhou University, Lanzhou, China.,Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China.,School of Public Health, Lanzhou University, Lanzhou, China.,Research Unit of Evidence-Based Evaluation and Guidelines, Chinese Academy of Medical Sciences (2021RU017), School of Basic Medical Sciences, Lanzhou University, Lanzhou, China.,WHO Collaborating Centre for Guideline Implementation and Knowledge Translation, Lanzhou, China.,GRADE Center, Lanzhou University, Lanzhou, China
| | - Qiu Li
- Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Chongqing, China.,Chongqing Key Laboratory of Pediatrics, Chongqing, China.,Department of Nephrology, Children's Hospital of Chongqing Medical University, Chongqing, China
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Ishihama Y, Fukumoto K, Watanabe R, Nakatani S, Tsuda A, Otoshi T, Yamada K, Yamada S, Negoro N, Emoto M, Hashimoto M. Retroperitoneal fibrosis requiring prompt nephrostomy in a case with immunoglobulin A vasculitis. Scand J Rheumatol 2022; 51:419-421. [PMID: 35658823 DOI: 10.1080/03009742.2022.2047312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Y Ishihama
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - K Fukumoto
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - R Watanabe
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - S Nakatani
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - A Tsuda
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - T Otoshi
- Department of Urology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - K Yamada
- Department of Dermatology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - S Yamada
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - N Negoro
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - M Emoto
- Department of Metabolism, Endocrinology, and Molecular Medicine, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - M Hashimoto
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
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69
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A boy with purpura and generalized edema: Answers. Pediatr Nephrol 2022; 37:1321-1323. [PMID: 35084564 DOI: 10.1007/s00467-021-05408-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 10/19/2022]
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Marro J, Chetwynd AJ, Wright RD, Dliso S, Oni L. Urinary Protein Array Analysis to Identify Key Inflammatory Markers in Children with IgA Vasculitis Nephritis. CHILDREN 2022; 9:children9050622. [PMID: 35626799 PMCID: PMC9139281 DOI: 10.3390/children9050622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/22/2022] [Accepted: 04/25/2022] [Indexed: 11/16/2022]
Abstract
Chronic kidney disease is a recognised complication of immunoglobulin A vasculitis, (IgAV; formerly Henoch–Schonlein purpura—HSP). The pathophysiology of IgAV and why some patients develop significant renal involvement remains largely unknown. Identifying urinary inflammatory markers could direct targets for earlier intervention. The aim of this cross-sectional exploratory study was to perform a large protein array analysis to identify urinary markers to provide insight into the mechanisms of kidney inflammation in children with established IgAV nephritis (IgAVN). Determination of the relative levels of 124 key proteins was performed using commercially available proteome profiler array kits. Twelve children were recruited: IgAVN, n = 4; IgAV without nephritis (IgAVwoN), n = 4; healthy controls (HCs), n = 4. The urinary concentrations of twenty proteins were significantly different in IgAVN compared to IgAVwoN. The largest fold changes were reported for B-cell activating factor (BAFF), Cripto-1, sex-hormone-binding globulin and angiotensinogen. The urinary levels of complement components C5/C5a and factor D were also significantly elevated in patients with IgAVN. A total of 69 urinary proteins significantly raised levels in comparisons made between IgAVN vs. HCs and nine proteins in IgAVwoN vs. HCs, respectively. This study identified key urinary proteins potentially involved in IgAVN providing new insight into the pathophysiology. Further longitudinal studies with larger cohorts are needed to quantitatively analyse these biomarkers.
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Affiliation(s)
- Julien Marro
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L12 2AP, UK; (J.M.); (A.J.C.); (R.D.W.)
| | - Andrew J. Chetwynd
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L12 2AP, UK; (J.M.); (A.J.C.); (R.D.W.)
| | - Rachael D. Wright
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L12 2AP, UK; (J.M.); (A.J.C.); (R.D.W.)
| | - Silothabo Dliso
- NIHR Alder Hey Clinical Research Facility, Clinical Research Division, Alder Hey Children’s NHS Foundation Trust, Liverpool L14 5AB, UK;
| | - Louise Oni
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L12 2AP, UK; (J.M.); (A.J.C.); (R.D.W.)
- Department of Paediatric Nephrology, Alder Hey Children’s NHS Foundation Trust Hospital, Liverpool L14 5AB, UK
- Correspondence: ; Tel.: +44-(0)151-252-5441
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71
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Zhang L, Lin Q, Jiang L, Wu M, Huang L, Quan W, Li X. Increased circulating innate lymphoid cell (ILC)1 and decreased circulating ILC3 are involved in the pathogenesis of Henoch-Schonlein purpura. BMC Pediatr 2022; 22:201. [PMID: 35413831 PMCID: PMC9003988 DOI: 10.1186/s12887-022-03262-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 04/01/2022] [Indexed: 11/30/2022] Open
Abstract
Background Innate lymphoid cell (ILC) dysfunction is involved in numerous immune diseases, but this has not been demonstrated in Henoch-Schonlein purpura (HSP). This study aimed to investigate whether ILC dysfunction or imbalance participate in the pathogenesis of HSP. Methods This was a prospective study in patients with HSP who were hospitalized at the Children’s Hospital of Soochow University from June to December 2019. Age- and sex-matched controls were also enrolled. ILC subsets and lymphocyte subpopulations were determined by flow cytometry. The transmission immune turbidimetric method also facilitated the exploration of correlations between ILC subset frequency and lymphocyte subpopulation, as well as serum IgA in HSP patients. Results Fifty-one patients with HSP and 22 control patients were included. There were no differences in age and sex between the two groups. Compared with controls, patients with HSP had higher ILCs in relation to lymphocytes (P = 0.036), higher ILCs in relation to PBMCs (P = 0.026), higher ILC1s (P < 0.001), lower ILC3s (P < 0.05), and higher ILC1/ILC3 ratio (P < 0.001). Sixteen patients underwent routine therapy combined with methylprednisolone for 7–10 days; ILC1s were significantly decreased (P < 0.001) and ILC3s were increased (P = 0.033), and ILC1/ILC3 was significantly decreased (P < 0.001). Compared with the controls, the ratios of ILCs/lymphocytes and ILCs/PBMC were higher in patients in the arthritis and mixed groups (all P < 0.05). ILC1 were elevated in the purpura, arthritis, abdominal, and mixed groups (P = 0.027, P = 0.007, P < 0.001, and P < 0.001, respectively). ILC1/ILCs were positively correlated with CD3 + CD8 + T lymphocytes (r = 0.3701, P = 0.0075). The level of IgA did not correlate with ILCs. Conclusions Higher circulating ILC1s and lower circulating ILC3s appear to be involved in the pathogenesis of HSP. Supplementary Information The online version contains supplementary material available at 10.1186/s12887-022-03262-w.
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Affiliation(s)
- Lili Zhang
- Department of Nephrology, Children's Hospital of Soochow University, No. 92, Zhong Nan Street, Industrial Park, Suzhou, 215003, Jiangsu, China.,Department of Pediatrics, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, Jiangsu, China
| | - Qiang Lin
- Department of Nephrology, Children's Hospital of Soochow University, No. 92, Zhong Nan Street, Industrial Park, Suzhou, 215003, Jiangsu, China
| | - Lijun Jiang
- Department of Neonatology, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, Jiangsu, China
| | - Mingfu Wu
- Department of Neonatology, Affiliated Hospital of Yangzhou University, Yangzhou, 225000, Jiangsu, China
| | - Linlin Huang
- Department of Pediatric Intensive Care Unit, Children's Hospital of Soochow University, Suzhou, 215003, Jiangsu, China
| | - Wei Quan
- Department of Nephrology, Children's Hospital of Soochow University, No. 92, Zhong Nan Street, Industrial Park, Suzhou, 215003, Jiangsu, China
| | - Xiaozhong Li
- Department of Nephrology, Children's Hospital of Soochow University, No. 92, Zhong Nan Street, Industrial Park, Suzhou, 215003, Jiangsu, China.
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Timely and individualized use of immunosuppression is associated with favourable outcomes in paediatric IgA vasculitis nephritis. Pediatr Nephrol 2022; 37:913-914. [PMID: 35006360 DOI: 10.1007/s00467-021-05405-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/09/2021] [Accepted: 12/09/2021] [Indexed: 10/19/2022]
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73
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IgA vasculitis with nephritis: update of pathogenesis with clinical implications. Pediatr Nephrol 2022; 37:719-733. [PMID: 33818625 PMCID: PMC8490493 DOI: 10.1007/s00467-021-04950-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/17/2020] [Accepted: 01/14/2021] [Indexed: 12/13/2022]
Abstract
IgA vasculitis with nephritis (IgAVN) shares many pathogenetic features with IgA nephropathy (IgAN). The purpose of this review is to describe our current understanding of the pathogenesis of pediatric IgAVN, particularly as it relates to the four-hit hypothesis for IgAN. These individual steps, i.e., hits, in the pathogenesis of IgAN are (1) elevated production of IgA1 glycoforms with some O-glycans deficient in galactose (galactose-deficient IgA1; Gd-IgA1), (2) generation of circulating IgG autoantibodies specific for Gd-IgA1, (3) formation of pathogenic circulating Gd-IgA1-containing immune complexes, and (4) kidney deposition of the Gd-IgA1-IgG immune complexes from the circulation and induction of glomerular injury. Evidence supporting the four-hit hypothesis in the pathogenesis of pediatric IgAVN is detailed. The genetics, pediatric outcomes, and kidney histopathologic features and the impact of these findings on future treatment and potential biomarkers are discussed. In summary, the evidence points to the critical roles of Gd-IgA1-IgG immune complexes and complement activation in the pathogenesis of IgAVN. Future studies are needed to characterize the features of the immune and autoimmune responses that enable progression of IgA vasculitis to IgAVN.
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Yazılıtaş F, Çakıcı EK, Kurt Şükür ED, Özdel S, Güngör T, Bağlan E, Çelikkaya E, Karakaya D, Orhan D, Bülbül M. Clinical spectrum of immunoglobulin A vasculitis in children and determining the best timing of urine examination to predict renal involvement. Postgrad Med 2022; 134:441-447. [PMID: 35354357 DOI: 10.1080/00325481.2022.2061165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Immunoglobulin A (IgA) vasculitis (also known as Henoch-Schonlein purpura) is the most common small vessel vasculitis of childhood. The long-term prognosis depends on renal involvement. The aim of this study was to evaluate the risk factors associated with renal involvement in children with IgA vasculitis and to investigate the best timing of urine examination to predict the presence of renal involvement at the sixth month after the diagnosis. METHODS In this prospective observational study, medical records, demographic data, clinical findings, laboratory tests, and urine microscopic examinations of pediatric patients diagnosed with IgA vasculitis were evaluated to identify potential risk factors associated with renal involvement. RESULTS A total of 178 patients with a median age of 6 years were involved in the study. Renal involvement was found in 24 (13.5%) patients. Most of the patients (85.7%), whose urine examination was found to be abnormal at the sixth month after the diagnosis, also had abnormalities in the first month urine examination. Factors significantly associated with renal involvement were as follows: older age, presence of hematuria and or proteinuria in the first month urine examination and patients who presented the disease in the spring season. Multivariate logistic regression analysis showed age ≥8 years (p = 0.005), the season of onset (p = 0.025), serum creatinine levels (p = 0.016), and abnormal urine examinations at the first-month visits (p = 0.005) significantly increased the risk of renal involvement. CONCLUSION This study has demonstrated that the optimal date to predict the presence of hematuria and/or proteinuria in the sixth month is the urine examination performed in the first month of the disease. Therefore, we think that patients with IgA vasculitis who show a presence of hematuria and/or proteinuria in the first-month urine examination should be followed more closely.
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Affiliation(s)
- Fatma Yazılıtaş
- Department of Pediatric Nephrology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Evrim Kargın Çakıcı
- Department of Pediatric Nephrology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Eda Didem Kurt Şükür
- Department of Pediatric Nephrology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Semanur Özdel
- Department of Pediatric Rheumatology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Tülin Güngör
- Department of Pediatric Nephrology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Esra Bağlan
- Department of Pediatric Rheumatology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Evra Çelikkaya
- Department of Pediatric Nephrology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Deniz Karakaya
- Department of Pediatric Nephrology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
| | - Diclehan Orhan
- Department of Pathology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Mehmet Bülbül
- Department of Pediatric Nephrology and Rheumatology, SBÜ Ankara Dr. Sami Ulus Kadın Doğum Çocuk Sağlığı ve Hastalıkları Eğitim Araştırma Hastanesi, Ankara, Turkey
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75
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Abstract
PURPOSE OF REVIEW The purpose of this update is to summarize current knowledge on the pathophysiology of immunglobulin A (IgA) vasculitis nephritis (IgAVN) as well as to critically review evidence for established therapeutic regimes and available biomarkers. An additional purpose is to raise the discussion what could be done to further improve our understanding of IgAVN, identify patients at risk for adverse outcome and increase the evidence for therapy recommendations. RECENT FINDINGS Clinical and experimental studies have established the concept of a multilevel pathogenesis. Toll-like-receptor activation, B cell proliferation, micro-RNAs and complement activation have been identified or confirmed as potential therapeutic targets which can modify the course of the disease. Currently, kidney injury molecule-1, monocyte chemotactic protein-1, N-acetyl-β-glucosaminidase, and angiotensinogen are the most promising urinary biomarkers for early diagnosis of renal involvement in IgA vasculitis. SUMMARY Close surveillance of all IgAV patients for renal involvement is recommended. Given the multilevel pathogenesis, early treatment of even mild cases should be initiated. Further therapeutic options should be considered in case first-line therapy (mostly corticosteroids) has no effect. The evidence supporting current therapeutic regimes is predominantly based on expert opinion. Prospective studies are needed and should involve substances inhibiting B cell proliferation and complement activation.
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Affiliation(s)
- Eva Nüsken
- Pediatric Nephrology, Children's and Adolescents' Hospital, University Hospital of Cologne, Faculty of Medicine, University of Cologne, Köln, Germany
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76
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An Assessment on the Effectiveness of the Immature Granulocyte Percentage in Predicting Internal Organ Involvement Among Children With Henoch-Schönlein Purpura. J Pediatr Hematol Oncol 2022; 44:e413-e417. [PMID: 34486546 DOI: 10.1097/mph.0000000000002288] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 07/02/2021] [Indexed: 11/25/2022]
Abstract
Henoch-Schönlein purpura (HSP) is the most common childhood systemic vasculitis. The present study aims to investigate the effectiveness of the immature granulocyte (IG) percentage as a new marker for predicting internal organ involvement in HSP. This study included 75 patients below 18 years old who were diagnosed with HSP. The mean age was 7.48±2.77 years. The male/female ratio was 1.14. The findings showed that 35 (46.7%) of the patients had an internal organ involvement. The mean IG percentage was 0.88±0.68 among the patient group with HSP internal organ involvement, while it was 0.31±0.15 in the group without internal organ involvement, and a significant difference was determined between the 2 groups (P=0.000). The findings showed that the patients with renal involvement had the highest mean IG percentage (IG; 1.00±0.21). When the cutoff value for the IG percentage was specified as 0.45 to predict internal organ involvement, the sensitivity was 77.1%, and the specificity was 85%. In this study, the findings showed that IG percentage increased among patients with internal organ involvement in HSP and that its sensitivity, specificity, and predictive values were higher in predicting internal organ involvement compared with other markers.
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77
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Mizerska-Wasiak M, Płatos E, Cichoń-Kawa K, Demkow U, Pańczyk-Tomaszewska M. The Usefulness of Vanin-1 and Periostin as Markers of an Active Autoimmune Process or Renal Fibrosis in Children with IgA Nephropathy and IgA Vasculitis with Nephritis-A Pilot Study. J Clin Med 2022; 11:jcm11051265. [PMID: 35268356 PMCID: PMC8911128 DOI: 10.3390/jcm11051265] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 01/25/2023] Open
Abstract
This study aimed to evaluate the usefulness of vanin-1 and periostin in urine as markers of the autoimmune process in kidneys and renal fibrosis in IgA nephropathy (IgAN) and IgA vasculitis with nephritis (IgAVN). From a group of 194 patients from the Department of Pediatrics and Nephrology, who were included in the Polish Pediatric Registry of IgAN and IgAVN, we qualified 51 patients (20 with IgAN and 31 with IgAVN) between the ages of 3 and 17, diagnosed based on kidney biopsy, for inclusion in the study. All of the patients received glucocorticosteroids, immunosuppressive drugs, or renoprotective therapy. The control group consisted of 18 healthy individuals. The concentration of vanin was significantly higher in the IgAN and IgAVN groups than in the control group. The concentration of vanin/creatinine correlates positively with the level of IgA and negatively with the serum level of C3 at the end of the observation. Urinary vanin-1 concentration may be useful as a marker of the active autoimmune process in IgAN and IgAVN in children, but the study needs confirmation on a larger group of children, along with evaluation of the dynamics of this marker. Urinary periostin is not a good marker for children with IgAN and IgAVN, especially in stage 1 and 2 CKD.
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Affiliation(s)
- Małgorzata Mizerska-Wasiak
- Department of Pediatrics and Nephrology, Medical University of Warsaw, 02-091 Warsaw, Poland; (K.C.-K.); (M.P.-T.)
- Correspondence:
| | - Emilia Płatos
- Science Students’ Association at the Department of Pediatrics and Nephrology, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | - Karolina Cichoń-Kawa
- Department of Pediatrics and Nephrology, Medical University of Warsaw, 02-091 Warsaw, Poland; (K.C.-K.); (M.P.-T.)
| | - Urszula Demkow
- Department of Laboratory Diagnostics and Clinical Immunology of Developmental Age, Medical University of Warsaw, 02-091 Warsaw, Poland;
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78
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Kiladze G, Cannan R, McClements D, Brice RG. Purpuric lesions in the large bowel. Frontline Gastroenterol 2022; 14:89-90. [PMID: 36561785 PMCID: PMC9763647 DOI: 10.1136/flgastro-2021-102055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 02/07/2022] [Indexed: 02/04/2023] Open
Affiliation(s)
- Giorgi Kiladze
- Gastroenterology, St Helens and Knowsley Teaching Hospitals NHS Trust, Prescot, UK
| | - Ruby Cannan
- Gastroenterology, St Helens and Knowsley Teaching Hospitals NHS Trust, Prescot, UK
| | - David McClements
- Gastroenterology, St Helens and Knowsley Teaching Hospitals NHS Trust, Prescot, UK
| | - Richard George Brice
- Histopathology, St Helens and Knowsley Teaching Hospitals NHS Trust, Prescot, Merseyside, UK
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79
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Liu Y, Wen M, He Q, Dang X, Feng S, Liu T, Ding X, Li X, He X. Lipid metabolism contribute to the pathogenesis of IgA Vasculitis. Diagn Pathol 2022; 17:28. [PMID: 35148801 PMCID: PMC8840790 DOI: 10.1186/s13000-021-01185-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 12/03/2021] [Indexed: 12/04/2022] Open
Abstract
Background and objectives The underlying mechanism of IgA vasculitis (IgAV) and IgA vasculitis with nephritis (IgAVN) remains unclear. Therefore, there are no accurate diagnostic methods. Lipid metabolism is related to many immune related diseases, so this study set out to explore the relationship of lipids and IgAV and IgAVN. Methods Fifty-eighth patients with IgAV and 28 healthy controls were recruited, which were divided into six separate pools to investigate the alterations of serum lipids according to the clinical characteristics: healthy controls group (HCs) and IgAV group (IgAVs), IgAVN group (IgAV-N) and IgAV without nephritis group (IgAV-C), initial IgAV group (IgAV0) and IgAV in treatment with glucocorticoids group (IgAV1). Results 31 identified lipid ions significantly changed in IgAVs with p < 0.05, variable importance of the projection (VIP) > 1 and fold change (FC) > 1.5. All these 31 lipid ions belong to 6 classes: triacylglycerols (TG), phosphatidylethanolamine (PE), phosphatidylcholine (PC), phosphatidylserine, ceramide, and lysophosphatidylcholine. TG (16:0/18:1/22:6) +NH4 over 888875609.05, PC (32:1) +H over 905307459.90 and PE (21:4)-H less than 32236196.59 increased the risk of IgAV significantly (OR>1). PC (38:6) +H was significantly decreased (p < 0.05, VIP>1 and FC>1.5) in IgAVN. PC (38:6) less than 4469726623 conferred greater risks of IgAV (OR=45.833, 95%CI: 6.689~341.070). Conclusion We suggest that lipid metabolism may affect the pathogenesis of IgAV via cardiovascular disease, insulin resistance, cell apoptosis, and inflammation. The increase of TG(16:0/18:1/22:6) + NH4, and PC(32:1) + H as well as PE (21:4)-H allow a good prediction of IgAV. PE-to-PC conversion may participate in the damage of kidney in IgAV. PC (38:6) + H may be a potential biomarker for IgAVN. Supplementary Information The online version contains supplementary material available at 10.1186/s13000-021-01185-1.
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Affiliation(s)
- Ying Liu
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Min Wen
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Qingnan He
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.,Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiqiang Dang
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Shipin Feng
- Department of Pediatric Nephrology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Taohua Liu
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xuewei Ding
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoyan Li
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaojie He
- Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China. .,Laboratory of Pediatric Nephrology, Institute of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China.
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80
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Penido MGMG, Palma LMP. IgA vasculitis in children. J Bras Nefrol 2022; 44:3-5. [PMID: 35312744 PMCID: PMC8943865 DOI: 10.1590/2175-8239-jbn-2022-e002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 11/29/2022] Open
Affiliation(s)
- Maria Goretti Moreira Guimarães Penido
- Santa Casa de Belo Horizonte Hospital, Centro de Nefrologia, Unidade de Nefrologia Pediátrica, Belo Horizonte, MG, Brasil.,Universidade Federal de Minas Gerais, Hospital de Clínicas, Faculdade de Medicina, Unidade de Nefrologia Pediátrica, Belo Horizonte, MG, Brasil
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81
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Li C, Wang ZB. Clinical application of compound Glycyrrhizin tablets in the treatment of patients with Simplex Henoch-Schonlein Purpura and its effect on immune function. Pak J Med Sci 2022; 38:271-275. [PMID: 35035438 PMCID: PMC8713233 DOI: 10.12669/pjms.38.1.4609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/27/2021] [Accepted: 09/08/2021] [Indexed: 11/24/2022] Open
Abstract
Objectives: To investigate the curative effect of Compound Glycyrrhizin Tablets in the adjuvant treatment of simplex Henoch-Schonlein purpura and its influence in improving immune function. Methods: In this retrospective study design was used in this study. Eighty newly diagnosed patients with purpura simplex who visited the outpatient department of Baoding First Central Hospital from June 2017 to February 2020 were included. They were randomly divided into treatment group and control group. The two groups were provided with the same conventional comprehensive treatment. Patients in the treatment group received oral administration of Compound Glycyrrhizin Tablets on the basis of conventional treatment. The clinical efficacy of the treatment group and the control group were compared according to the time and effect of purpura regression, followed by the comparison of changes of T cell subsets before and after treatment. Results: The total effective rate of the treatment group was 92.5%, which was higher than that of the control group (77.5%) (P < 0.05). The purpura subsidence time of effective patients in treatment group was shorter than that in control group (P < 0.05). There was no significant difference in lymphocyte subsets between the treatment group and the control group before treatment. After treatment, the proportion of CD4+ cells and CD4+/CD8+ cells in the treatment group were obviously higher than that in the control group, and the count of CD8+ cells was evidently lower than that in the control group (P < 0.05). Conclusions: Compound Glycyrrhizin is effective in the adjuvant treatment of simplex Henoch-Schonlein purpura without obvious adverse reactions, which is valuable for clinical application as an adjuvant.
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Affiliation(s)
- Chao Li
- Chao Li, Department of Hematology, Beijing Aerospace General Hospital, Beijing, 100076, P.R. China
| | - Zhi-Bin Wang
- Zhi-bin Wang2 Department of Hematology, Baoding First Central Hospital, Baoding, Hebei, 071000, P.R.China
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82
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Minden K, Thiel J. [Primary vasculitides in childhood and adulthood]. Z Rheumatol 2022; 81:36-44. [PMID: 34978582 DOI: 10.1007/s00393-021-01141-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2021] [Indexed: 11/26/2022]
Abstract
Primary systemic vasculitides can be observed at any age. Some vasculitides occur preferentially in childhood, such as Kawasaki syndrome or immunoglobulin A (IgA) vasculitis, whereas others, such as giant cell arteritis, occur beyond the age of 50 years. Vasculitides occurring in childhood or adolescence and adulthood may have different phenotypes, different disease courses and outcomes depending on the age of manifestation. For example, those with Takayasu arteritis beginning in adolescence have different vascular involvement, a higher degree of systemic inflammation and a more aggressive course of disease than those with adult-onset disease. In contrast, IgA vasculitis is more severe in adults than in children. The causes for the age predilections and different age-dependent disease manifestations have not yet been clarified. The therapeutic principles are similar for vasculitides occurring in children or adolescents and adults. The first international evidence-based treatment recommendations are now available for juvenile vasculitides, although the evidence for certain forms of treatment is still very limited. The treatment of adult vasculitides can be guided by numerous national and international guidelines and recommendations. Many vasculitides carry a high risk of morbidity and mortality and the timely detection and treatment are therefore necessary. In this article, similarities and differences in the clinical presentations, treatment, courses and prognosis of vasculitides in children or adolescents and adults are discussed.
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Affiliation(s)
- Kirsten Minden
- Programmbereich Epidemiologie und Versorgungsforschung, Deutsches Rheuma-Forschungszentrum Berlin, ein Leibniz-Institut, 10117, Berlin, Deutschland.
- Klinik für Pädiatrie mit Schwerpunkt m. S. Pneumologie, Immunologie und Intensivmedizin, Charité Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland.
| | - Jens Thiel
- Department Innere Medizin, Klinik für Rheumatologie und Klinische Immunologie, Vaskulitiszentrum Freiburg, Medizinische Fakultät, Universitätsklinikum Freiburg, 79106, Freiburg, Deutschland
- Klinische Abteilung für Rheumatologie und Immunologie, Universitätsklinik für Innere Medizin, LKH Universitätsklinikum Graz, 8036, Graz, Österreich
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83
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Jelusic M, Sestan M, Giani T, Cimaz R. New Insights and Challenges Associated With IgA Vasculitis and IgA Vasculitis With Nephritis-Is It Time to Change the Paradigm of the Most Common Systemic Vasculitis in Childhood? Front Pediatr 2022; 10:853724. [PMID: 35372148 PMCID: PMC8965283 DOI: 10.3389/fped.2022.853724] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 02/21/2022] [Indexed: 12/29/2022] Open
Abstract
What are the challenges ahead and how have we responded so far when it comes to the non-granulomatous systemic vasculitis, characterized mainly by deposits of IgA immune complexes in the endothelium of small blood vessels-IgA vasculitis (IgAV)? That is the question to which we tried to answer. We summarized existing knowledge about epidemiology, pathogenesis, genetics, diagnostic tests and therapy in this somewhat neglected entity in pediatric rheumatology. Since etiopathogenesis of IgA vasculitis is complex, with factors other than galactose-deficient IgA1-containing immune complexes also being important, and may involve numerous interactions between environmental and genetic factors, genomics alone cannot explain the entirety of the risk for the disease. The incidence of IgAV and nephritis varies worldwide and may be a consequence of overlapping genetic and environmental factors. In addition to the role of the HLA class II genes, some studies have pointed to the importance of non-HLA genes, and modern geostatistical research has also indicated a geospatial risk distribution, which may suggest the strong influence of different environmental factors such as climate, pathogen load, and dietary factors. The application of modern geostatistical methods until recently was completely unknown in the study of this disease, but thanks to the latest results it has been shown that they can help us a lot in understanding epidemiology and serve as a guide in generating new hypotheses considering possible environmental risk factors and identification of potential genetic or epigenetic diversity. There is increasing evidence that an integrative approach should be included in the understanding of IgA vasculitis, in terms of the integration of genomics, proteomics, transcriptomics, and epigenetics. This approach could result in the discovery of new pathways important for finding biomarkers that could stratify patients according to the risk of complications, without an invasive kidney biopsy which is still the gold standard to confirm a diagnosis of nephritis, even if biopsy findings interpretation is not uniform in clinical practice. Ultimately, this will allow the development of new therapeutic approaches, especially important in the treatment of nephritis, for which there is still no standardized treatment.
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Affiliation(s)
- Marija Jelusic
- Department of Paediatrics, University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Mario Sestan
- Department of Paediatrics, University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Teresa Giani
- Department of Clincial Sciences and Community Health, University of Milan, Milan, Italy
| | - Rolando Cimaz
- Department of Clincial Sciences and Community Health, University of Milan, Milan, Italy.,ASST Pini-CTO, Milan, Italy
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84
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Crawshaw H, Wells M, Austin K, Janagan S, Robson JC. Patient reported outcomes in systemic vasculitis. Curr Opin Rheumatol 2022; 34:33-38. [PMID: 34738981 DOI: 10.1097/bor.0000000000000850] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW This review paper evaluates the use of patient reported outcome (PROs) in systemic vasculitis and the increasing incorporation of these measures in the evaluation of clinical outcomes and healthcare provision. RECENT FINDINGS Generic PROs such as the SF-12, SF-36, EQ-5D have been used to evaluate health-related quality of life (HRQOL) across the spectrum of vasculitis; including giant cell arteritis, antineutrophil cytoplasmic antibody (ANCA)-related vasculitis and immunoglobulin A vasculitis (IgA) vasculitis. More recently disease-specific PROs have been developed including the associated vasculitis (AAV)-PRO and GCA-PRO, whilst further work is ongoing including a Steroid-PRO. SUMMARY Generic and disease-specific PROs are complimentary in nature, but the advent of disease-specific PROs allows evaluation of the impact of specific symptoms and intervention on patient HRQOL. Following the COVID-19 pandemic, the advent of increasing virtual work has brought the potential for electronic-PRO measures to the forefront and is a current area of interest.
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Affiliation(s)
- Helena Crawshaw
- Rheumatology Department, Gloucester Royal Hospital, Gloucester
| | - Matthew Wells
- Rheumatology Department, North Bristol NHS Trust, Bristol
| | - Keziah Austin
- Rheumatology Department, Royal National Hospital for Rheumatic Diseases, Royal United Hospitals Bath
| | - Shalini Janagan
- Rheumatology Department, Bristol Royal Infirmary, University Hospitals Bristol and Weston NHS Foundation Trust
| | - Joanna C Robson
- Rheumatology Department, Bristol Royal Infirmary, University Hospitals Bristol and Weston NHS Foundation Trust
- Centre for Health and Clinical Research, Faculty of Health and Applied Sciences, University of the West of England, Bristol, UK
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85
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Cao Y, Shen T, Li Y, Shuai L, Chen Q, Mo S, Li C, Li X, Wang Y, Wu X. A retrospective study on the characteristics of renal pathological grades in HSPN children with mild to moderate proteinuria. Front Pediatr 2022; 10:1029520. [PMID: 36467482 PMCID: PMC9718029 DOI: 10.3389/fped.2022.1029520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 11/02/2022] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE To investigate the characteristics of renal pathological grades in Henoch-Schönlein purpura nephritis (HSPN) children with mild to moderate proteinuria and the correlation between pathological grade and severity of proteinuria among this population. METHODS HSPN children who were presented with mild (150 mg <24 h urinary protein <25 mg/kg) to moderate (25 mg/kg ≤24 h urinary protein <50 mg/kg) proteinuria and performed renal biopsy without steroid ± immunosuppressant treatment in the Second Xiangya Hospital between January 2010 and March 2021 were involved. We retrospectively analyzed the correlation between age, disease course, degree of proteinuria, type of immunoglobulin deposits, C3 deposits in glomeruli and renal pathological grade. RESULTS (1) 72 HSPN children including 46 boys and 26 girls were included, with a mean age of onset of 9.01 ± 2.65 years old. The majority of these patients (62.5%) had a disease course between 1 week to 1 month. 51 patients presented with mild proteinuria and 21 patients with moderate proteinuria. (2) Renal biopsy results showed that ISKDC Grade IIIa were both predominant in mild proteinuria group (25, 49%) and moderate proteinuria group (11, 52.4%). 32 patients had grade II (44.4%), 2 had grade IIIb (2.8%), 1 had grade IV (1.4%), and 1 had grade VI (1.4%). There was no correlation between age, disease course and renal pathological grade (p > 0.05). (3) In patients with mild proteinuria (n = 51), 27 (52.9%) HSPN children had a pathological grade ≥ grade III. In patients with moderate proteinuria (n = 21), 13 (61.9%) HSPN children had grade ≥ III. There was no significant difference in the proportion of renal pathological grade between the 2 groups (p > 0.05). (4) There was no significant correlation between glomerular C3 deposits or immunoglobulin deposit types and renal pathological grade (p = 0.776 and p = 0.056 respectively). CONCLUSION In HSPN children with mild to moderate proteinuria, longer disease course or heavier urinary protein level is not completely parallel with higher renal pathological grade. ISKDC grade IIIa is the most common pathological grade. Clinicians should pay great attention to the renal injury in patients with mild to moderate proteinuria.
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Affiliation(s)
- Yan Cao
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Tian Shen
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yongzhen Li
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lanjun Shuai
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Qiaoping Chen
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Shuanghong Mo
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Canlin Li
- Department of Digestive Nutrition, Hunan Children's Hospital, Changsha, China
| | - Xiaoyan Li
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ying Wang
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaochuan Wu
- Department of Pediatrics, The Second Xiangya Hospital, Central South University, Changsha, China
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86
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Kang SA, Khalaf SA, Nelson T. Immunoglobulin A vasculitis induced by atypical pneumonia infection with Chlamydophila pneumonia. IDCases 2022; 30:e01624. [PMID: 36193106 PMCID: PMC9526174 DOI: 10.1016/j.idcr.2022.e01624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/24/2022] [Indexed: 11/26/2022] Open
Abstract
Infections are a common trigger for IgA vasculitis. Among the bacteria that cause atypical pneumonia, Mycoplasma pneumoniae infection has strongly been associated with IgA vasculitis, with Chlamydophila pneumoniae reported with IgA vasculitis in only one case. Though IgA vasculitis is a self-limiting disease, patients with infection-related vasculitis have shown to benefit from early identification and treatment with antimicrobial therapy. Here, we report a case of IgA vasculitis due to C. pneumoniae infection in a 19-year-old male who presented with an acute onset of rash, that was later followed by symptoms of cough and fever.
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87
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Bose S, Madke B. A comprehensive review of immunosuppressive drugs in pediatric dermatoses: Part I - Corticosteroids, azathioprine, and cyclosporine-A. INDIAN JOURNAL OF PAEDIATRIC DERMATOLOGY 2022. [DOI: 10.4103/ijpd.ijpd_83_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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88
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Abu-Zaid MH, Salah S, Lotfy HM, El Gaafary M, Abdulhady H, Tabra SAA, Salah H, Farag Y, Eissa M, Maher SE, Radwan A, El-Shanawany AT, Medhat BM, El Mikkawy D, Mosad Mosa D, El Deriny G, Mortada M, Osman NS, Fouad NA, Elkaraly NE, Mohamed SS, Hassan WA, Amer YA, Nasef SI, El Miedany Y. Consensus evidence-based recommendations for treat-to-target management of immunoglobulin A vasculitis. Ther Adv Musculoskelet Dis 2021; 13:1759720X211059610. [PMID: 34917176 PMCID: PMC8669874 DOI: 10.1177/1759720x211059610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/26/2021] [Indexed: 12/20/2022] Open
Abstract
IgA vasculitis (IgAV), formerly known as Henoch-Schönlein purpura, is the most common cause of systemic vasculitis in childhood. Given its potential life-threatening systemic complications, early and accurate diagnosis as well as management of IgAV represent a major challenge for health care professionals. This study was carried out to attain an evidence-based expert consensus on a treat-to-target management approach for IgAV using Delphi technique. The preliminary scientific committee identified a total of 16 key clinical questions according to the patient, intervention, comparison, and outcomes (PICO) approach. An evidence-based, systematic, literature review was conducted to compile evidence for the IgAV management. The core leadership team identified researchers and clinicians with expertise in IgAV management in Egypt upon which experts were gathered from different governorates and health centers across Egypt. Delphi process was implemented (two rounds) to reach a consensus. An online questionnaire was sent to expert panel (n = 26) who participated in the two rounds. After completing round 2, a total of 20 recommendation items, categorized into two sections were obtained. Agreement with the recommendations (rank 7-9) ranged from 91.7-100%. Consensus was reached (i.e. ⩾75% of respondents strongly agreed or agreed) on the wording of all the 20 clinical standards identified by the scientific committee. Algorithms for the diagnosis and management have been suggested. This was an expert, consensus recommendations for the diagnosis and treatment of IgAV and IgA vasculitic nephritis, based on best available evidence and expert opinion. The guideline presented a strategy of care with a pathway to achieve a state of remission as early as possible. Plain Language Summary Given its potential life-threatening systemic complications, early and accurate diagnosis of immunoglobulin A vasculitis represents a major challenge for health care professionals. This work provided cornerstone principles for the management of the condition. Adopting PICO approach and implementing Delphi process a consensus was reached on evidence-based treat-to-target treatment recommendations. This will endorse enhancement and consistency of care of this cohort of patients in standard practice.
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Affiliation(s)
| | - Samia Salah
- Pediatric Rheumatology, Cairo University, Cairo, Egypt
| | - Hala M Lotfy
- Pediatric Rheumatology, Cairo University, Cairo, Egypt
| | - Maha El Gaafary
- Community Medicine and Public Health, Ain Shams University, Cairo, Egypt
| | - Hala Abdulhady
- Rheumatology and Rehabilitation, Ain Shams University, Cairo, Egypt
| | | | - Hala Salah
- Pediatric Rheumatology, Cairo University, Cairo, Egypt
| | - Yomna Farag
- Pediatric Rheumatology, Cairo University, Cairo, Egypt
| | | | | | - Ahmed Radwan
- Rheumatology and Rehabilitation, Sohag University, Sohag, Egypt
| | | | - Basma M Medhat
- Rheumatology and Rehabilitation, Cairo University, Cairo, Egypt
| | - Dalia El Mikkawy
- Rheumatology and Rehabilitation, Ain Shams University, Cairo, Egypt
| | | | | | - Mohamed Mortada
- Rheumatology and Rehabilitation, Zagazig University, Zagazig, Egypt
| | | | | | | | - Sally S Mohamed
- Rheumatology and Rehabilitation, Cairo University, Cairo, Egypt
| | - Waleed A Hassan
- Rheumatology and Rehabilitation, Benha University, Benha, Egypt
| | - Youmna A Amer
- Rheumatology and Rehabilitation, Zagazig University, Zagazig, Egypt
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89
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Abstract
ZusammenfassungIm Gebiet der Kinderrheumatologie gab es in den letzten Jahrzehnten immense
Fortschritte, die sowohl die Diagnostik, als auch die Therapie nachhaltig
verbessert haben. Obwohl erst seit 2003 in Deutschland offiziell als
Zusatzbezeichnung anerkannt, stehen heutzutage über 200 Kinder- und
Jugendrheumatologen (d. h. 1,4 Kinderrheumatologen pro 100 000
Kinder) für die Erkennung und Behandlung von rheumatischen Erkrankungen
bei Kindern und Jugendlichen bundesweit zur Verfügung. Neue Erkenntnisse
in der Pathogenese rheumatischer Erkrankungen und die sich stetig
weiterentwickelnde genetische Diagnostik haben das rheumatische
Krankheitsspektrum und die Behandlungsmöglichkeiten dramatisch erweitert
Internationale Forschungsnetzwerke und eine spezielle Gesetzgebung für
die Entwicklung von pädiatrischen Medikamenten führten zur
Zulassung von zahlreichen neuen Rheumamedikamenten, deren Sicherheit im
klinischen Alltag seit der Jahrtausendwende systematisch in Deutschland
untersucht wird. Maßnahmen zur Sicherung der Versorgungsqualität
wurden implementiert, Standardinstrumente zur Bewertung der
Krankheitsaktivität und Krankheitslast aus Patientensicht
eingeführt sowie Initiativen zur Verbesserung der Versorgung Betroffener
(z. B. die ProKind-Initiative) auf den Weg gebracht. Diese
Veränderungen haben die Prognose und Lebensperspektive rheumakranker
Kinder und Jugendlicher verbessert, wenngleich noch weiterer Optimierungsbedarf
besteht.
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Affiliation(s)
- Johannes-Peter Haas
- German Center for Rheumatology in Children and
Adolescents/Deutsches Zentrum für Kinder- und
Jugendrheumatologie Garmisch-Partenkirchen, Garmisch-Partenkirchen,
Deutschland
- Center for treatment of pain in young people/Zentrum
für Schmerztherapie junger Menschen, Deutschland
| | - Kirsten Minden
- Klinik für Pädiatrie mit Schwerpunkt Pulmonologie,
Immunologie und Intensivmedizin Charitè Centrum17,
Charité-Universitätsmedizin Berlin, Berlin,
Deutschland
- Deutsches Rheumaforschungszentrum, Leibniz-Gemeinschaft, Berlin,
Deutschland
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90
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Yim SK, Seo SY. IgA vasculitis mimicking drug-induced skin reaction and infectious colitis in an elderly patient: A case report. Medicine (Baltimore) 2021; 100:e27726. [PMID: 34871270 PMCID: PMC8568418 DOI: 10.1097/md.0000000000027726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/22/2021] [Indexed: 01/05/2023] Open
Abstract
RATIONALE Immunoglobulin A vasculitis (IgAV) in adults is rare and shows worse symptoms and prognosis. In real-life clinics, IgAV in elderly patients may be difficult to diagnose because of its rarity and other common diseases to consider. This study reports a case of IgAV mimicking drug-induced skin reaction in an elderly patient. PATIENT CONCERNS A 74-year-old female without any underlying disease presented to our emergency department as she was suffering from lower abdominal pain and diarrhea for 3 weeks. The patient was diagnosed with infectious colitis, and antibiotic treatment was administered at a local clinic. At presentation, the patient had rashes on both lower legs that developed after the antibiotic treatment, which was assumed as a drug eruption. Although antibiotic treatment was continued, the patient had persistent abdominal pain, diarrhea, hematochezia, and rashes. Proteinuria was developed on urinalysis. DIAGNOSES Infectious colitis, IgAV. INTERVENTIONS Sigmoidoscopy revealed easily bleeding erythematous mucosal lesions from the descending colon to the rectum. IgAV was suspected, and thus skin biopsy was performed. Histological findings of the skin biopsy showed leukocytoclastic vasculitis, which is compatible with IgAV. A nonsteroidal anti-inflammatory drug was administered for abdominal pain. The patient showed persistent proteinuria and a systemic steroid (prednisolone 50 mg [1 mg/kg]) was started. OUTCOMES After administration of the nonsteroidal anti-inflammatory drug, the patient's abdominal pain was resolved rapidly. Under systemic steroid treatment, the patient showed significant symptomatic improvements, and after 2 weeks, the skin and colonic mucosal lesions were completely resolved. LESSONS We present a case of adult-onset IgAV, which was initially diagnosed with infectious colitis and drug eruption. The history of skin reaction development after antibiotic treatment and the rarity of IgAV in elderly patients masked the diagnosis of IgAV. Despite its rarity, IgAV should be highly suspected in elderly patients with rashes, proteinuria, and signs of colitis.
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Affiliation(s)
- Sung Kyun Yim
- Department of Internal Medicine, Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
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91
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Matsumura H, Ishimori S, Fujii Y, Ashida A. Hemorrhagic Bullous Immunoglobulin A Vasculitis in an Adolescent. J Pediatr 2021; 238:333-334. [PMID: 34293366 DOI: 10.1016/j.jpeds.2021.07.043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/12/2021] [Accepted: 07/15/2021] [Indexed: 11/19/2022]
Affiliation(s)
- Hideki Matsumura
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Shingo Ishimori
- Department of Pediatrics, Aijinkai Takatsuki General Hospital, Osaka, Japan
| | - Yuko Fujii
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Akira Ashida
- Department of Pediatrics, Osaka Medical and Pharmaceutical University, Osaka, Japan
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92
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Alonso de la Hoz J, Martínez Antequera CE, Fernández Manso B, Llorente Otones L, de Inocencio Arocena J. Hemorrhagic bullous IgA vasculitis (Schönlein-Henoch purpura), does it have a worse prognosis? REUMATOLOGIA CLINICA 2021; 17:549-551. [PMID: 34756318 DOI: 10.1016/j.reumae.2020.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 07/08/2020] [Indexed: 06/13/2023]
Abstract
Haemorrhagic bullous form of IgA vasculitis (IgAV), or Schönlein-Henoch purpura, is an unusual presentation of the disease in paediatric patients (<2%). Blistering eruptions can sometimes be very striking, leading to hospital admissions and administration of high-dose steroids and even immunosuppressants. Review of the literature, however, does not suggest that this clinical form carries a worse prognosis than the other forms of IgAV. In fact, the prognosis of the disease depends on the organic involvement. We present the case of a 5-year-old girl that is very representative. She developed palpable purpura and four days later the skin lesions evolved into blistering lesions. She did not receive any anti-inflammatory nor immunosuppressive treatment and the lesions spontaneously subsided within 14 days. She did not develop any extracutaneous nor systemic involvement.
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Affiliation(s)
- Julia Alonso de la Hoz
- Servicio de Pediatría, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, Spain.
| | | | | | - Lucía Llorente Otones
- Servicio de Pediatría, Hospital Universitario de Fuenlabrada, Fuenlabrada, Madrid, Spain
| | - Jaime de Inocencio Arocena
- Unidad de Reumatología Pediátrica, Hospital Universitario 12 de Octubre, Madrid, Spain; Departamento de Salud Pública y Materno-Infantil, Universidad Complutense de Madrid, Madrid, Spain
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93
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Cao J, Wu C, Wang K, Hu H, Duan J, Zhao B, Xiong J, Liu M, Cui J, Ji X, Zhang T, Qin H, Qin N, Xu Q, Huang Y. Metagenomic profiling reveals dominance of gram-positive bacteria in the gut microbiome shifts associated with immunoglobulin A vasculitis (Henoch-Schönlein Purpura). Clin Transl Immunology 2021; 10:e1342. [PMID: 34646556 PMCID: PMC8499602 DOI: 10.1002/cti2.1342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/21/2021] [Accepted: 08/22/2021] [Indexed: 12/24/2022] Open
Abstract
Objectives Immunoglobulin A vasculitis (IgAV), previously known as Henoch-Schönlein purpura, is the most common vasculitis that has a classical skin manifestation of palpable purpuric rash. Factors pertinent to IgAV remain inadequately understood. Here, we aimed to examine the gut microbiome shifts associated with IgAV and its recovery. Methods Stool samples were collected from 10 children with IgAV (6-14 years old) before and after a multi-drug therapy, along with 9 age-matched healthy children. The samples were subjected to metagenomic analyses to investigate the taxonomic and functional shifts of the gut microbiome. Results The analyses revealed that compared with healthy controls, treatment-naïve patients exhibited substantial taxonomic and functional alterations of gut microbiota, including 104 IgAV-depleted species and 7 IgAV-elevated species (FDR < 0.05). After treatment, the IgAV patients displayed a partial restoration of the microbiota shifts, as the relative abundances of some biomarkers (e.g. 9 genera and 22 species) became comparable (FDR > 0.1) between the patients and healthy controls. The treatment-responsive features included Weissella, Faecalibacterium prausnitzii and Bifidobacterium pseudocatenulatum and three components of a putative glutamine transport system. Importantly, gram-positive bacteria accounted for over 85% of the numbers and total relative abundance of the species that were associated with IgAV and responsive to the treatment. In addition, of the 122 IgAV-depleted bacterial genes, 82 were mainly contributed by gram-positive bacteria and 12 by gram-negative bacteria. Conclusions Gram-positive bacteria are the main drivers underlying the gut microbiome shifts of IgAV, which may assist rational management of the disease.
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Affiliation(s)
- Jia Cao
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China.,Yunnan Key Laboratory of Clinical Medicine Kunming China
| | - Chunyan Wu
- Shanghai Tenth People's Hospital Tongji University School of Medicine Shanghai China.,Realbio Genomics Institute Shanghai China
| | - Kunhua Wang
- Yunnan Key Laboratory of Clinical Medicine Kunming China
| | - Hongwei Hu
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China
| | - Jiang Duan
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China
| | - Bo Zhao
- Department of Rheumatology and Immunology the Affiliated Children's Hospital of Kunming Medical University Kunming China
| | - Jingjing Xiong
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China
| | - Mei Liu
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China
| | - Jingjing Cui
- Department of Rheumatology and Immunology the Affiliated Children's Hospital of Kunming Medical University Kunming China
| | - Xiaofei Ji
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China
| | - Tingting Zhang
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China
| | - Huanlong Qin
- Shanghai Tenth People's Hospital Tongji University School of Medicine Shanghai China
| | - Nan Qin
- Shanghai Tenth People's Hospital Tongji University School of Medicine Shanghai China.,Realbio Genomics Institute Shanghai China
| | - Qian Xu
- Shanghai Tenth People's Hospital Tongji University School of Medicine Shanghai China.,Realbio Genomics Institute Shanghai China
| | - Yongkun Huang
- Department of Pediatrics The First Affiliated Hospital of Kunming Medical University Kunming China.,Yunnan Key Laboratory of Clinical Medicine Kunming China
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94
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Cannon L, Wu EY. Recent Advances in Pediatric Vasculitis. Rheum Dis Clin North Am 2021; 47:781-796. [PMID: 34635304 DOI: 10.1016/j.rdc.2021.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
This article provides an overview of the clinical presentation and diagnosis of select pediatric primary systemic vasculitides. Important advances in understanding the pathogenesis of these rare diseases also are discussed and efforts to harmonize treatment through consensus-based guidelines and multicenter and international collaborations highlighted.
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Affiliation(s)
- Laura Cannon
- Division of Pediatric Rheumatology, Department of Pediatrics, Duke University, 2301 Erwin Road, DUMC Box 3212, Durham, NC 27710, USA
| | - Eveline Y Wu
- Division of Pediatric Rheumatology, Department of Pediatrics, The University of North Carolina Chapel Hill, 030 MacNider Hall, CB #7231, Chapel Hill, NC 27599, USA; Division of Allergy/Immunology, Department of Pediatrics, The University of North Carolina Chapel Hill, Chapel Hill, NC.
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95
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Mizerska-Wasiak M, Turczyn A, Cichoń-Kawa K, Małdyk J, Miklaszewska M, Drożdż D, Bieniaś B, Sikora P, Drożyńska-Duklas M, Żurowska A, Szczepańska M, Pańczyk-Tomaszewska M. IgA vasculitis nephritis clinical course and kidney biopsy - national study in children. Pediatr Rheumatol Online J 2021; 19:150. [PMID: 34620183 PMCID: PMC8495907 DOI: 10.1186/s12969-021-00616-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 07/20/2021] [Indexed: 11/12/2022] Open
Abstract
UNLABELLED The aim of the study was to investigate the relationship between the severity of typical clinical symptoms, severity of histopathological lesions in kidney biopsies in IgA vasculitis nephritis (IgAVN) and to propose indications for kidney biopsy in children. MATERIAL AND METHODS This retrospective study enrolled 106 patients, included in the IgAVN registry of Polish children, diagnosed by kidney biopsy. Renal and extrarenal symptoms at onset of the disease were analyzed. Biopsy results were assessed using Oxford classifications (MEST-C). The patients were divided into 3 groups depending on the severity of proteinuria: A-nephrotic proteinuria with hematuria; B-non-nephrotic proteinuria with hematuria; C-isolated hematuria. RESULTS The first symptoms of nephropathy were observed at the 0.7 (1-128.4) months from the onset of extrarenal symptoms. Kidney biopsy was performed on 39 (6-782) days after the onset of nephropathy symptoms. MEST-C score 4 or 5 was significantly more frequent in children from group A than in groups B and C. Significantly higher mean MEST-C score was found in patients with abdominal symptoms than without. In group A: S0 and T0 we found in significantly shorter time to kidney biopsy than in S1, T1-2 p < 0.05) and in group B the significantly shorter time in T0 compare to T1-2 p < 0.05). The ROC analysis shows that S1 changes appear in kidney biopsies in group A with cut off 21 days (AUC 0,702, p = 0.004, sensitivity 0.895 specificity 0.444) T1-2 changes after 35 days (AUC 0.685, p = 0.022, sensitivity 0.750, specificity 0.615), and in goupn B T1-2 cut off is 74 days (AUC 0,738, p = 0.002, sensitivity 0.667, specificity 0.833). CONCLUSIONS In childhood IgAVN, the severity of changes in the urine is clearly reflected in the result of a kidney biopsy. The biopsy should be performed in patients with nephrotic proteinuria no later than 3 weeks after the onset of this symptom in order to promptly apply appropriate treatment and prevent disease progression. Accompanying abdominal symptoms predispose to higher MESTC score.
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Affiliation(s)
| | - Agnieszka Turczyn
- grid.13339.3b0000000113287408Department of Paediatrics and Nephrology, Medical University of Warsaw, Warsaw, Poland
| | - Karolina Cichoń-Kawa
- grid.13339.3b0000000113287408Department of Paediatrics and Nephrology, Medical University of Warsaw, Warsaw, Poland
| | - Jadwiga Małdyk
- grid.13339.3b0000000113287408Department of Pathomorphology, Medical University of Warsaw, Warsaw, Poland
| | - Monika Miklaszewska
- grid.5522.00000 0001 2162 9631Department of Pediatric Nephrology, Jagiellonian University, Collegium Medicum, Cracow, Poland
| | - Dorota Drożdż
- grid.5522.00000 0001 2162 9631Department of Pediatric Nephrology, Jagiellonian University, Collegium Medicum, Cracow, Poland
| | - Beata Bieniaś
- grid.411484.c0000 0001 1033 7158Department of Pediatric Nephrology, Medical University of Lublin, Lublin, Poland
| | - Przemysław Sikora
- grid.411484.c0000 0001 1033 7158Department of Pediatric Nephrology, Medical University of Lublin, Lublin, Poland
| | - Magdalena Drożyńska-Duklas
- grid.11451.300000 0001 0531 3426Department of Paediatrics, Nephrology and Hypertension, Medical University of Gdańsk, Gdansk, Poland
| | - Aleksandra Żurowska
- grid.11451.300000 0001 0531 3426Department of Paediatrics, Nephrology and Hypertension, Medical University of Gdańsk, Gdansk, Poland
| | - Maria Szczepańska
- grid.411728.90000 0001 2198 0923Department of Paediatrics, Medical University of Silesia, Zabrze, Poland
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96
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Rovin BH, Adler SG, Barratt J, Bridoux F, Burdge KA, Chan TM, Cook HT, Fervenza FC, Gibson KL, Glassock RJ, Jayne DR, Jha V, Liew A, Liu ZH, Mejía-Vilet JM, Nester CM, Radhakrishnan J, Rave EM, Reich HN, Ronco P, Sanders JSF, Sethi S, Suzuki Y, Tang SC, Tesar V, Vivarelli M, Wetzels JF, Floege J. KDIGO 2021 Clinical Practice Guideline for the Management of Glomerular Diseases. Kidney Int 2021; 100:S1-S276. [PMID: 34556256 DOI: 10.1016/j.kint.2021.05.021] [Citation(s) in RCA: 693] [Impact Index Per Article: 231.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 12/13/2022]
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97
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Abstract
BACKGROUND Henoch-Schönlein purpura (HSP), also called IgA vasculitis, is a systemic vasculitis characterized by deposits of immunoglobulin A in blood vessels. Renal impairment of these patients is the main determinant of prognosis. The optimal treatment of HSP nephritis (HSPN) in children remains controversial, but many clinicians administer an immunosuppressive agent with a corticosteroid. A previous study reported that leflunomide (LEF) with a corticosteroid was effective for adult patients with HSPN and nephrotic proteinuria. However, data on this treatment in pediatric patients is limited. METHODS We described our experience at a single center on the use of LEF in 5 pediatric patients who had IgA vasculitis with proteinuria that was nearly 50 mg/kg (nephrotic range) and remained high despite administration of intravenous steroid, and biopsy-proven nephritis. All patients had class II to IIIb lesions based on the International Study of Kidney Disease in Children (ISKDC). RESULTS We successfully treated all 5 children who had IgA vasculitis with nephritis using LEF with a corticosteroid. Four patients achieved a complete remission of proteinuria, and 1 patient had significantly reduced proteinuria. The children received LEF for 6 months to 12 months, and none of them had severe adverse events. CONCLUSIONS To our knowledge, this is the first case series to report successful treatment of pediatric HSPN with LEF in combination with a corticosteroid.
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Affiliation(s)
- Ling Hou
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36 Sanhao Street Heping District, 110004, Shenyang, China
| | - Zhou Zhang
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36 Sanhao Street Heping District, 110004, Shenyang, China
| | - Yue Du
- Department of Pediatrics, Shengjing Hospital of China Medical University, No. 36 Sanhao Street Heping District, 110004, Shenyang, China.
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98
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Peruzzi L, Coppo R. IgA vasculitis nephritis in children and adults: one or different entities? Pediatr Nephrol 2021; 36:2615-2625. [PMID: 33219450 DOI: 10.1007/s00467-020-04818-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/15/2020] [Accepted: 10/07/2020] [Indexed: 12/12/2022]
Abstract
The clinical features of the kidney involvement in immunoglobulin A (IgA) vasculitis (IgAVN) differ in children and adults for both clinical presentation and progression. IgAVN in children has mostly a self-limiting course and favorable resolution, while in adults the kidney involvement is frequently severe with unfavorable outcome. However, a subset of children is at risk of progression within the pediatric age or decades later in adulthood, particularly when the diagnosis and a prompt intervention are delayed. Factors predicting progression and outcome in the whole spectrum of age have been investigated in recent research, as well as the relationship between IgAVN and primary IgAN, which share the same pathology features, in the light of peculiar clinical differences and progression tendencies, and hence need for selective treatments. The search for a personalized treatment in children with IgAV and in different ages of life should rely on the identification of different risks for progression. This review will focus on recent studies which contribute to improve our knowledge in this still largely unclear area.
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Affiliation(s)
- Licia Peruzzi
- Fondazione Ricerca Molinette, Regina Margherita Hospital, Turin, Italy.,Pediatric Nephrology Unit, Regina Margherita Department, City of Health and Science University Hospital, Turin, Italy
| | - Rosanna Coppo
- Fondazione Ricerca Molinette, Regina Margherita Hospital, Turin, Italy.
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IgA Vasculitis: a Review and Update on the Management of Renal and Extrarenal Disease, Highlighting What’s New for Biomarkers and Treatment. CURRENT PEDIATRICS REPORTS 2021. [DOI: 10.1007/s40124-021-00247-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ma Y, Zhang S, Chen J, Kong H, Diao J. Henoch-Schönlein Purpura With Scrotal Involvement: A Case Report and Literature Review. J Pediatr Hematol Oncol 2021; 43:211-215. [PMID: 33885039 PMCID: PMC8327932 DOI: 10.1097/mph.0000000000002161] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 03/06/2021] [Indexed: 12/26/2022]
Abstract
Henoch-Schönlein purpura (HSP) is the most common vasculitis of childhood and affects the small blood vessels, leading to arthritis, abdominal pain, and renal involvement. However, scrotal involvement is a rare complication of HSP and scrotal pain. Swelling is the most frequent clinical presentation and can be easily confused with testicular torsion. If not treated in time, the scrotal inflammation will result in irreversible testicular necrosis. We report a 6-year-old male with HSP and scrotal involvement, characterized by swelling and pain on the left side of the scrotum, rashes on both lower extremities, and epididymitis. He was treated with conservative care, corticosteroids, and antibiotic therapy. We were able to avoid surgical intervention. On the 10 days of treatment, he recovered sufficiently well and was discharged. We have reviewed the literature related to HSP with scrotal involvement, identified 21 cases, and revealed that steroid therapy and/or antibiotics are the first-line of therapy in children with scrotal involvement. Vasculitis in the scrotum may predispose to testicular torsion, which is a complication that should not be overlooked. Clinicians should be aware of the atypical types of HSP. Timely diagnosis and appropriate treatment are essential for achieving the best results.
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Affiliation(s)
- Yue Ma
- Shandong University of Traditional Chinese Medicine
| | | | - Jiye Chen
- Shandong University of Traditional Chinese Medicine
| | - Han Kong
- Shandong University of Traditional Chinese Medicine
| | - Juanjuan Diao
- Department of Pediatrics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People’s Republic of China
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