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Jackson C, Carlin K, Blondet N, Jordan I, Yalon L, Healey PJ, Symons JM, Menon S. Continuous renal replacement therapy and therapeutic plasma exchange in pediatric liver failure. Eur J Pediatr 2024; 183:3289-3297. [PMID: 38717620 DOI: 10.1007/s00431-024-05587-3] [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] [Received: 02/01/2024] [Revised: 04/10/2024] [Accepted: 04/27/2024] [Indexed: 07/23/2024]
Abstract
Patients with acute liver failure (ALF) and acute on chronic liver failure (ACLF) have significant morbidity and mortality. They require extracorporeal blood purification modalities like continuous renal replacement therapy (CRRT) and therapeutic plasma exchange (TPE) as a bridge to recovery or liver transplantation. Limited data are available on the outcomes of patients treated with these therapies. This is a retrospective single-center study of 23 patients from 2015 to 2022 with ALF/ACLF who underwent CRRT and TPE. We aimed to describe the clinical characteristics and outcomes of these patients. Median (IQR) age was 0.93 years (0.57, 9.88), range 16 days to 20 years. Ten (43%) had ALF and 13 (57%) ACLF. Most (n = 19, 82%) started CRRT for hyperammonemia and/or hepatic encephalopathy and all received TPE for refractory coagulopathy. CRRT was started at a median of 2 days from ICU admission, and TPE started on the same day in most. The liver transplant was done in 17 (74%), and 2 recovered native liver function. Four patients, all with ACLF, died prior to ICU discharge without a liver transplant. The median peak ammonia pre-CRRT was 131 µmol/L for the whole cohort. The mean (SD) drop in ammonia after 48 h of CRRT was 95.45 (43.72) µmol/L in those who survived and 69.50 (21.70) µmol/L in those who did not (p 0.26). Those who survived had 0 median co-morbidities compared to 2.5 in non-survivors (aOR (95% CI) for mortality risk of 2.5 (1.1-5.7), p 0.028). Conclusion: In this cohort of 23 pediatric patients with ALF or ACLF who received CRRT and TPE, 83% survived with a liver transplant or recovered with their native liver. Survival was worse in those who had ACLF and those with co-morbid conditions. What is Known: • Pediatric acute liver failure is associated with high mortality. • Patients may require extracorporeal liver assist therapies (like CRRT, TPE, MARS, SPAD) to bridge them over to a transplant or recovery of native liver function. What is New: • Standard volume plasma exhange has not been evaluated against high volume plasma exchange for ALF. • The role, dose, and duration of therapeutic plasma exchange in patients with acute on chronic liver failure is not well described.
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Affiliation(s)
- Caroline Jackson
- Division of Nephrology, Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, WA, USA
| | | | - Niviann Blondet
- Division of Pediatric Gastroenterology and Hepatology, Seattle Children's Hospital, University of Washington, Seattle, WA, USA
| | - Ian Jordan
- Seattle Children's Hospital, Seattle, WA, USA
| | | | - Patrick J Healey
- Department of Surgery, Seattle Children's Hospital, Seattle, WA, USA
| | - Jordan M Symons
- Division of Nephrology, Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, WA, USA
| | - Shina Menon
- Division of Nephrology, Department of Pediatrics, Seattle Children's Hospital, University of Washington, Seattle, WA, USA.
- Division of Nephrology, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CA, USA.
- Center for Academic Medicine, Pediatric Nephrology/MC-5660, 453 Quarry Rd, Palo Alto, CA, 94304, USA.
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Kanth RK, Agrawal N, Patel P, Arora A, Chaturvedy M, Tiwari S, Aggarwal D, Panda S. Sensory ataxic polyneuropathy unmasking late-onset urea cycle defect. Clin Neurol Neurosurg 2024; 240:108260. [PMID: 38564992 DOI: 10.1016/j.clineuro.2024.108260] [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] [Received: 12/12/2023] [Revised: 03/21/2024] [Accepted: 03/23/2024] [Indexed: 04/04/2024]
Abstract
A 63-year-old man with type 2 diabetes mellitus, alcohol consumption in moderation, and three episodes of hepatic encephalopathy presented with symmetrical lower limb distal weakness, sensory ataxia, thickened palpable nerves, mood disturbances for seven years, and a family history of schizophreniform disorders. Nerve conduction studies showed demyelinating sensorimotor polyradiculoneuropathy. CSF analysis showed mild albumino-cytological dissociation. MRI brain and lumbosacral plexus showed thickened fifth cranial nerves and lumbosacral roots. He was treated with steroids for a provisional diagnosis of chronic inflammatory polyneuropathy and became encephalopathic. EEG showed triphasic waves. Serum ammonia was 201 micrograms/dL. Further evaluation suggested ornithine transcarbamylase (OTC) deficiency. The patient underwent hemodialysis with a low protein diet, rifaximin, and sodium benzoate, with subsequent recovery.
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Affiliation(s)
- Ravi Krishna Kanth
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, India
| | - Naman Agrawal
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, India
| | - Pratik Patel
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, India
| | - Anka Arora
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, India
| | - Manish Chaturvedy
- Departments of Neurology, Nephrology, All India Institute of Medical Sciences, Jodhpur, India
| | - Sarbesh Tiwari
- Departments of Neurology, Nephrology, Diagnostic and Interventional Radiology, All India Institute of Medical Sciences, Jodhpur, India
| | - Divya Aggarwal
- Departments of Neurology, Nephrology, Diagnostic and Interventional Radiology, and Pathology, All India Institute of Medical Sciences, Jodhpur, India
| | - Samhita Panda
- Department of Neurology, All India Institute of Medical Sciences, Jodhpur, India.
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Raina R, Doshi K, Sethi S, Pember B, Kumar R, Alhasan KA, Boshkos MC, Tibrewal A, Bedoyan JK. Kidney Replacement Therapy and Mortality in Children With Inborn Errors of Metabolism: A Meta-analysis. Kidney Med 2024; 6:100751. [PMID: 38259726 PMCID: PMC10801204 DOI: 10.1016/j.xkme.2023.100751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024] Open
Affiliation(s)
- Rupesh Raina
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH
- Department of Nephrology, Akron Children’s Hospital, Akron, OH
| | - Kush Doshi
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH
| | - Sidharth Sethi
- Division of Pediatric Nephrology, Kidney Institute, Medanta, The Medicity, Gurgaon, Haryana, India
| | - Bryce Pember
- Northeast Ohio Medical University, Rootstown, OH
| | | | - Khalid A. Alhasan
- Department of Pediatrics, College of Medicine & King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia
| | | | - Abhishek Tibrewal
- Akron Nephrology Associates/Cleveland Clinic Akron General Medical Center, Akron, OH
| | - Jirair K. Bedoyan
- Division of Genetic and Genomic Medicine, Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh and University of Pittsburgh School of Medicine, Pittsburgh, PA
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Ames EG, Powell C, Engen RM, Weaver DJ, Mansuri A, Rheault MN, Sanderson K, Lichter-Konecki U, Daga A, Burrage LC, Ahmad A, Wenderfer SE, Luckritz KE. Multisite Retrospective Review of Outcomes in Renal Replacement Therapy for Neonates with Inborn Errors of Metabolism. J Pediatr 2022; 246:116-122.e1. [PMID: 35358588 PMCID: PMC9233075 DOI: 10.1016/j.jpeds.2022.03.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 02/24/2022] [Accepted: 03/24/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To assess the outcomes of neonates in a contemporary multi-institutional cohort who receive renal replacement therapy (RRT) for hyperammonemia. STUDY DESIGN We performed a retrospective analysis of 51 neonatal patients with confirmed inborn errors of metabolism that were treated at 9 different children's hospitals in the US between 2000 and 2015. RESULTS Twenty-nine patients received hemodialysis (57%), 21 patients received continuous renal replacement therapy (41%), and 1 patient received peritoneal dialysis (2%). The median age at admission of both survivors (n = 33 [65%]) and nonsurvivors (n = 18) was 3 days. Peak ammonia and ammonia at admission were not significantly different between survivors and nonsurvivors. Hemodialysis, having more than 1 indication for RRT in addition to hyperammonemia, and complications during RRT were all risk factors for mortality. After accounting for multiple patient factors by multivariable analyses, hemodialysis was associated with a higher risk of death compared with continuous renal replacement therapy. When clinical factors including evidence of renal dysfunction, number of complications, concurrent extracorporeal membrane oxygenation, vasopressor requirement, and degree of hyperammonemia were held constant in a single Cox regression model, the hazard ratio for death with hemodialysis was 4.07 (95% CI 0.908-18.2, P value = .067). To help providers caring for neonates with hyperammonemia understand their patient's likelihood of survival, we created a predictive model with input variables known at the start of RRT. CONCLUSIONS Our large, multicenter retrospective review supports the use of continuous renal replacement therapy for neonatal hyperammonemia.
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Affiliation(s)
- Elizabeth G. Ames
- Division of Pediatric Genetics, Metabolism, and Genomic Medicine, Department of Pediatrics, University of Michigan Health System, Ann Arbor, MI
| | - Corey Powell
- Consulting for Statistics, Computing and Analytics Research, University of Michigan, Ann Arbor, MI
| | - Rachel M. Engen
- Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Donald J. Weaver
- Division of Nephrology and Hypertension, Department of Pediatrics, Atrium Health Levine Children’s, Charlotte, NC
| | - Asif Mansuri
- Children’s Hospital of Georgia, Augusta University, Augusta, GA
| | | | - Keia Sanderson
- University of North Carolina Department of Medicine-Nephrology, Chapel Hill, NC
| | - Uta Lichter-Konecki
- Division of Genetic and Genomic Medicine, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA
| | - Ankana Daga
- Division of Nephrology, Boston Children’s Hospital, Boston, MA
| | - Lindsay C. Burrage
- Department of Pediatrics, Baylor College of Medicine, Houston, TX;,Texas Children’s Hospital, Houston, TX
| | - Ayesha Ahmad
- Division of Pediatric Genetics, Metabolism, and Genomic Medicine, Department of Pediatrics, University of Michigan Health System, Ann Arbor, MI
| | - Scott E. Wenderfer
- Department of Pediatrics, Baylor College of Medicine, Houston, TX;,Texas Children’s Hospital, Houston, TX
| | - Kera E. Luckritz
- Division of Pediatric Nephrology, Department of Pediatrics, University of Michigan Health System, Ann Arbor, MI
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Eminoğlu FT, Öncül Ü, Kahveci F, Okulu E, Kraja E, Köse E, Kendirli T. Characteristics of continuous venovenous hemodiafiltration in the acute treatment of inherited metabolic disorders. Pediatr Nephrol 2022; 37:1387-1397. [PMID: 34693482 PMCID: PMC8542505 DOI: 10.1007/s00467-021-05329-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Continuous kidney replacement therapies (CKRT) have been reported to be an effective approach to removing toxic metabolites in inborn errors of metabolism (IEM). The present study evaluates efficiency and complications of CKRT in children with IEM. METHODS Patients diagnosed with IEM who underwent CKRT in pediatric and neonatal intensive care units were analyzed. CKRT were initiated in patients with persistently high blood ammonia levels (≥ 500 μmol/L), blood ammonia levels > 250 μmol/L in the presence of moderate encephalopathy, high blood leucine levels (≥ 1500 μmol/L), and blood leucine levels < 1500 μmol/L in the presence of deteriorating neurological status or persistent metabolic acidosis. RESULTS Of 22 patients enrolled, nine (40.9%) Maple syrup urine disease (MSUD), eight (36.4%) urea cycle disorders (UCD), and five (22.7%) organic acidemias (OA). Median age was 72.3 [9.9-1040.8] days. In total, 28 dialysis sessions were analyzed [16 (57.1%) continuous venovenous hemodialysis, and 12 (42.9%) continuous venovenous hemodiafiltration]. A significant decrease was noted in leucine levels (from 1608.4 ± 885.3 to 314.6 ± 109.9 µmol/L) of patients with MSUD, while ammonia levels were significantly decreased in patients with UCD and OA (from 1279.9 ± 612.1 to 85.1 ± 21.6 µmol/L). The most frequent complications of CKRT were thrombocytopenia (60.7%), hypotension (53.6%), and hypocalcemia (42.9%). Median age of patients with hypotension treated with vasoactive medications was significantly lower than median age of those with normal blood pressure. CONCLUSION CKRT is a reliable approach for effective and rapid removal of toxic metabolites in children with IEM, and CKRT modalities can be safely used and are well-tolerated in infants.
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Affiliation(s)
- Fatma Tuba Eminoğlu
- Department of Pediatric Metabolism, Faculty of Medicine, Ankara University, Ankara, Turkey.
| | - Ümmühan Öncül
- Department of Pediatric Metabolism, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Fevzi Kahveci
- Department of Pediatric Intensive Care Unit, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Emel Okulu
- Department of Neonatology, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Elvis Kraja
- Department of Neonatology, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Engin Köse
- Department of Pediatric Metabolism, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Tanıl Kendirli
- Department of Pediatric Intensive Care Unit, Faculty of Medicine, Ankara University, Ankara, Turkey
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Askenazi D, Basu RK. Kidney support therapy in the pediatric patient: Unique considerations for a unique population. Semin Dial 2021; 34:530-536. [PMID: 33909936 DOI: 10.1111/sdi.12978] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 11/29/2022]
Abstract
The use of kidney support therapy (KST) for use in managing patients with acute kidney injury (AKI) has expanded greatly in the last several decades. The growing use of KST modalities in children, and now in neonates, has been associated with opportunities for education, clinical research, clinical practice improvements, and outcomes research. A multitude of controversies exist in the field of pediatric KST-many of which are shared by adult critical care nephrology practice. Simultaneously, pediatric KST has led the way to a burgeoning exploration of the importance of fluid overload as it relates to KST initiation and management and also with quality improvement. In this review, we will explore and describe the paradigms contained with pediatric KST used to support children with AKI. In addition to the governing principles related to the mechanics of KST, we will describe the novel aspects of newer support machines and ethical considerations of KST provision. Anticoagulation, dose, and modality will be discussed as well as priming procedures for special considerations. The utilization of KST across pediatric populations represents the next frontier of critical care nephrology.
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Affiliation(s)
- David Askenazi
- Pediatric and Infant Center for Acute Nephrology Children's of Alabama, Division of Pediatric Nephrology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rajit K Basu
- Division of Critical Care, Children's Healthcare of Atlanta, Department of Pediatrics, Emory University, Atlanta, GA, USA
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Ranchin B, Plaisant F, Demède D, Guillebon J, Javouhey E, Bacchetta J. Review: Neonatal dialysis is technically feasible but ethical and global issues need to be addressed. Acta Paediatr 2021; 110:781-788. [PMID: 33373057 DOI: 10.1111/apa.15539] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 12/28/2022]
Abstract
AIM Our aim was to look at the technical, ethical and global issues related to neonatal dialysis. METHODS We performed a PubMed research on manuscripts published from March 2010 to March 2020 and retrospectively reviewed all neonates who received dialysis in our French paediatric and neonatal intensive care units from April 2009 to March 2019. RESULTS Dialysis is performed on neonates with pre-existing renal diseases, acute kidney injuries or inborn errors of metabolism. It is required in 0.5%-1% of neonates admitted to the neonatal intensive care units. Peritoneal dialysis and extracorporeal blood purification are both feasible, with more complications, but the results are close to those obtained in older infants, at least in children without multi-organ dysfunction. Novel haemodialysis machines are being evaluated. Ethical issues are a major concern. Multidisciplinary teams should consider associated comorbidities, risks of permanent end-stage renal disease and provide parents with full and neutral information. These should drive decisions about whether dialysis is in child's best interests. CONCLUSION Neonatal dialysis is technically feasible, but ethically challenging, and short-term and long-term data remain limited. Prospective studies and dialysis registries would improve global management and quality of life of these patients at risk of chronic kidney disease.
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Affiliation(s)
- Bruno Ranchin
- Centre de Référence des Maladies Rénales Rares Hôpital Femme Mère Enfant Hospices Civils de Lyon Bron France
| | - Franck Plaisant
- Service de Néonatologie et réanimation néonatale Hôpital Femme Mère Enfant Hospices Civils de Lyon Bron France
| | - Delphine Demède
- Service de Chirurgie Pédiatrique Hôpital Femme Mère Enfant Hospices Civils de Lyon Bron France
| | - Jean‐Marie Guillebon
- Centre de Référence des Maladies Rénales Rares Hôpital Femme Mère Enfant Hospices Civils de Lyon Bron France
| | - Etienne Javouhey
- Service de Réanimation pédiatrique Hôpital Femme Mère Enfant Hospices Civils de Lyon Bron France
- Faculté de Médecine Lyon Est Université de Lyon Lyon France
| | - Justine Bacchetta
- Centre de Référence des Maladies Rénales Rares Hôpital Femme Mère Enfant Hospices Civils de Lyon Bron France
- Faculté de Médecine Lyon Est Université de Lyon Lyon France
- INSERM UMR 1033 Faculté de Médecine Lyon Est Université de Lyon Lyon France
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Rossi L, Pierigè F, Bregalda A, Magnani M. Preclinical developments of enzyme-loaded red blood cells. Expert Opin Drug Deliv 2020; 18:43-54. [PMID: 32924643 DOI: 10.1080/17425247.2020.1822320] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Therapeutic enzymes are currently used in the treatment of several diseases. In most cases, the benefits are limited due to poor in vivo stability, immunogenicity, and drug-induced inactivating antibodies. A partial solution to the problem is obtained by masking the therapeutic protein by chemical modifications. Unfortunately, this is not a satisfactory solution because frequent adverse events, including anaphylaxis, can arise. AREA COVERED Among the delivery systems, we focused on red blood cells for the delivery of therapeutic enzymes. Erythrocytes possess a long circulation time, a reduced immunogenicity, there is no need of chemical modifications and the encapsulated enzyme remains active because it is protected by the cell membrane. Here we discuss some representative applications of the preclinical developments of the field. Some of these are currently in clinic, others are approaching the clinic and others are illustrative of the development process. The selected examples are not always the most recent, but they are the most useful for a comparative approach. EXPERT OPINION The results discussed confirm the central role that red blood cells can play in the treatment of several conditions and suggest the benefit in using a natural cellular carrier in terms of pharmacokinetic, biodistribution, safety, and efficacy.
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Affiliation(s)
- Luigia Rossi
- Department of Biomolecular Sciences, University of Urbino , Urbino, Italy.,EryDel SpA , Bresso, Italy
| | - Francesca Pierigè
- Department of Biomolecular Sciences, University of Urbino , Urbino, Italy
| | | | - Mauro Magnani
- Department of Biomolecular Sciences, University of Urbino , Urbino, Italy.,EryDel SpA , Bresso, Italy
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