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. 2023 May 4;28(1):161.
doi: 10.1186/s40001-023-01111-9.

Excellent clinical outcomes of renal transplant from pediatric deceased donors with acute kidney injury

Qiuhao Liu #  1   2 , Hedong Zhang #  1   2 , Mingda Zhong  1   2 , Liang Tan  1   2 , Shanbiao Hu  1   2 , Longkai Peng  1   2   3 , Xubiao Xie #  4   5 , Gongbin Lan #  6   7
Affiliations

Excellent clinical outcomes of renal transplant from pediatric deceased donors with acute kidney injury

Qiuhao Liu et al. Eur J Med Res. .

Abstract

Background: The use of kidneys from deceased donors with acute kidney injury (AKI) to expand the donor pool is an ongoing trend. Prior research on the utilization of AKI donor kidneys, especially from pediatric AKI donors, was limited and has been subject to small sample sizes. In this study, we aimed to evaluate the safety and effectiveness of early post-transplantation outcomes in pediatric deceased donors with AKI.

Methods: This retrospective study compared the clinical results (including delayed graft function [DGF], acute rejection, patient and death-censored graft survival rates and renal function post-transplant) of kidney transplantation from deceased donors who were categorized as pediatric donors and adult donors with or without AKI, as defined by the Kidney Disease: Improving Global Outcomes (KIDGO) criteria, at our center between January 2018 and December 2020.

Results: Of the 740 patients, 154 received kidneys from pediatric donors (with AKI group [n = 41]; without AKI group [n = 113]), and 586 received kidneys from adult donors (with AKI group [n = 218]; without AKI group [n = 368]). The baseline characteristics were similar in both cohorts. No significant difference was observed in 1-year patient survival, death-censored graft survival, or acute rejection between the AKI and non-AKI groups in both the pediatric and adult cohorts. However, compared with those transplanted with adult AKI kidneys, those transplanted with pediatric AKI kidneys showed a superior recovery of allograft function. In pediatric cohorts, no significant difference was found in serum creatinine/estimated glomerular filtration rate (SCr/eGFR) between the AKI and non-AKI groups, even in the first week post-transplant. In contrast, the post-transplant SCr/eGFR level of the AKI group recipients in adult cohorts did not recover to a level statistically similar to that of non-AKI recipients, even at 6-months post-transplant. Nonetheless, AKI kidney recipients were at an increased risk of DGF in both pediatric (34.1% vs. 16.8%) and adult (38.5% vs. 17.4%) cohorts.

Conclusions: Kidney transplantation from deceased donors with AKI has short-term clinical outcomes comparable to those of non-AKI kidney transplantation. Pediatric AKI kidneys have a superior recovery of allograft function. The transplant community should utilize this donor pool to minimize waiting-list-related mortalities.

Keywords: Acute kidney injury; Clinical outcome; Delayed graft function; Kidney transplantation; Pediatric.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Kaplan–Meier curve illustrating patient and graft survival in the cohort study of kidney transplant recipients. Group comparisons were performed using the log-rank tests
Fig. 2
Fig. 2
Postoperative trend of SCr
See this image and copyright information in PMC

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