Clin J Am Soc Nephrol:成人肾移植术后IgA肾病的复发情况如何?

2021-08-21 AlexYang MedSci原创

在IgA肾病导致的肾衰竭患者中,IgA沉积可在随后的肾脏移植中复发。复发性IgA肾病的临床病程是可变的,因为它可以在无症状的活检患者、轻度血尿或蛋白尿患者或肾功能迅速恶化的患者中诊断出来。因此,报告的

在IgA肾病导致的肾衰竭患者中,IgA沉积可在随后的肾脏移植中复发。复发性IgA肾病的临床病程是可变的,因为它可以在无症状的活检患者、轻度血尿或蛋白尿患者或肾功能迅速恶化的患者中诊断出来。因此,报告的复发率在9%到61%之间,存在着显著差异,主要是由于不同的活检方案和随访的差异导致。目前,IgA肾病复发的发生率、影响和风险因素尚不清楚,因为大多数研究都是单中心研究,且样本量相对较小

近期,哈佛医学院在《Clin J Am Soc Nephrol》杂志上发表论文,调查了IgA肾病复发的发生率、影响和风险因素情况

研究人员进行了一项多中心、国际性的回顾性研究,确定了肾移植后复发性IgA肾病的发生率、风险因素和治疗反应。他们收集了2005年至2015年期间,欧洲、北美和南美的16个 "移植后肾小球疾病 "研究中心所有连续的、进行肾移植的和活检证实IgA肾病患者的数据。

研究结果发现,在504名患有IgA肾病的移植受试者中,有82名患者的肾脏活检发现了复发性IgA沉积;15年后的累计复发率为23%(95%置信区间,14至34)。多变量的Cox回归显示,预先进行肾脏移植的患者(风险比,3.45;95%置信区间,1.31至9.17)和预先形成供体特异性抗体的患者(危险比,2.59;95%置信区间,1.09至6.19)的IgA沉积复发风险更高。肾移植后,新的供体特异性抗体出现与随后IgA肾病复发的高风险有关(危险比,6.65;95%置信区间,3.33至13.27)。在多变量分析中,免疫抑制方案与IgA肾病的复发没有关系,其中包括类固醇的使用。与没有IgA肾病复发的患者相比,移植物损失较高(危险比,3.69;95%置信区间,2.04至6.66),在诊断复发后8年,移植物损失可达32%(95%置信区间,50至82)。

IgA肾病复发与临床特征的相关性

综上所述,在该国际队列中,移植后IgA肾病复发的累积风险增加,并与3.7倍移植物损失风险有关

原始出处:

Audrey Uffing, Maria José Pérez-Saéz , Thomas Jouve et al. Recurrence of IgA Nephropathy after Kidney Transplantation in Adults. Clin J Am Soc Nephrol. Aug 2021

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    2022-07-29 cy0324
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    2021-08-23 yibei

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