Delayed graft function is correlated with graft loss in recipients of expanded-criteria rather than standard-criteria donor kidneys: a retrospective, multicenter, observation cohort study.

Abstract:

BACKGROUND:Although the use of expanded-criteria donors (ECDs) alleviates the problem of organ shortage, it significantly increases the incidence of delayed graft function (DGF). DGF is a common complication after kidney transplantation; however, the effect of DGF on graft loss is uncertain based on the published literature. Hence, the aim of this study was to determine the relationship between DGF and allograft survival. METHODS:We conducted a retrospective, multicenter, observation cohort study. A total of 284 deceased donors and 541 recipients between February 2012 and March 2017 were included. We used logistic regression analysis to verify the association between clinical parameters and DGF, and Cox proportional hazards models were applied to quantify the hazard ratios of DGF for kidney graft loss. RESULTS:Among the 284 deceased donors, 65 (22.8%) donors were ECD. Of the 541 recipients, 107 (19.8%) recipients developed DGF, and this rate was higher with ECD kidneys than with standard-criteria donor (SCD) kidneys (29.2% vs. 17.1%; P = 0.003). The 5-year graft survival rate was not significantly different between SCD kidney recipients with and without DGF (95.8% vs. 95.4%; P = 0.580). However, there was a significant difference between ECD kidney recipients with and without DGF (71.4% vs. 97.6%; P = 0.001), and the adjusted hazard ratio (HR) for graft loss for recipients with DGF was 1.885 (95% confidence interval [CI] = 1.305-7.630; P = 0.024). Results showed that induction therapy with anti-thymocyte globulin was protective against DGF (odds ratio = 0.359; 95% CI = 0.197-0.652; P = 0.001) with all donor kidneys and a protective factor for graft survival (HR = 0.308; 95% CI = 0.130-0.728; P = 0.007) with ECD kidneys. CONCLUSION:DGF is an independent risk factor for graft survival in recipients with ECD kidneys, but not SCD kidneys.

journal_name

Chin Med J (Engl)

journal_title

Chinese medical journal

authors

Han F,Lin MZ,Zhou HL,Li H,Sun QP,Huang ZY,Hong LQ,Wang G,Cai RM,Sun QQ

doi

10.1097/CM9.0000000000000666

subject

Has Abstract

pub_date

2020-03-05 00:00:00

pages

561-570

issue

5

eissn

0366-6999

issn

2542-5641

pii

00029330-202003050-00009

journal_volume

133

pub_type

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