C3 glomerulopathy post kidney transplantation:A single center experience  

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作  者:Jonathan Zuckerman Phuong-Thu Pham Meena Parakkal Alexis F Velazquez Mrinalini Sarkar Michael A Pablos Suphamai Bunnapradist Erik L Lum 

机构地区:[1]Department of Pathology and Laboratory Medicine,David Geffen School of Medicine,University of California,Los Angeles,CA 90095,United States [2]Department of Medicine,Division of Nephrology,David Geffen School of Medicine,University of California,Los Angeles,CA 90095,United States [3]Department of Medicine,David Geffen School of Medicine,University of California,Los Angeles,CA 90095,United States

出  处:《World Journal of Transplantation》2025年第2期245-256,共12页世界移植杂志(英文)

摘  要:BACKGROUND C3 glomerulopathies(C3G)are a rare cause of kidney failure resulting from complement dysregulation.Small studies demonstrate a high rate of recurrence and poor outcomes in kidney transplantation.Treatment efficacy in this setting with eculizumab,a terminal complement inhibitor,is largely unknown.AIM To determine the outcomes of kidney transplantation in patients with C3G and the potential impact of eculizumab.METHODS We retrospectively studied kidney transplant recipients who underwent a post-transplant biopsy confirming C3G between January 1,1993 and December 31,2023 at a single center.Only the first episode of kidney transplant was reviewed.The electronic medical records were reviewed for post-transplant allograft function,indication for biopsy,time to biopsy from transplant,time to allograft failure from transplantation,post-C3G treatment,complement laboratory testing,and concurrent malignancy/infection.Reports,and when available slides and immunofluorescence/electron microscopic images,were re-reviewed by a renal pathologist.RESULTS A total of fifteen patients were included in this study.Fourteen patients had suspected recurrent disease,with a pre-transplant native kidney report of C3G.One patient developed de novo C3G.Median post kidney transplant clinical follow up time was 91 months.Median time to recurrence was 7 months with median graft survival of 48 months post kidney transplantation.The most common index biopsy pattern of injury was endocapillary prolif-erative glomerulonephritis(often with exudative features)with or without mesangial hypercellularity(56%)followed by membranoproliferative glomerulonephritis(25%).Most patients developed membranoproliferative glomerulonephritis pattern of injury on follow up biopsies(63%).Seven patients with recurrent disease received treatment with eculizumab with a median graft survival of 73 months,with five functioning grafts by the end of the study period.Seven patients with recurrent disease did not receive therapy,and all lost their graft with a median

关 键 词:C3 glomerulopathy Dense deposit disease C3 glomerulonephritis Kidney transplant Renal pathology Kidney biopsy Recurrent disease Complement disorder 

分 类 号:R617[医药卫生—外科学]

 

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