Authors Yanqiu Wang Xuanwu Hospital Capital Medical University Jingli Kou Ludan Xu Shuao Tang Mengyao Wei Binru Han DOI: https://doi.org/10.5489/cuaj.8236 Keywords: Frailty, Kidney transplantation, Systematic Review, Meta-Analysis, Risk assessment Abstract

INTRODUCTION: Frailty is a good predictor of adverse outcomes among older patients, especially those who have undergone surgery. The prevalence of frailty among kidney transplant candidates is higher than the general population. This study aimed to explore the predictive value of frailty on post-transplant adverse outcomes among kidney recipients.

METHODS: A systematic review was performed for relevant studies until May 20, 2022, using four databases (Embase, Medline, Cochrane, and PsycINFO) for prospective design studies (PROSPERP: CRD42022331022). Random-effect meta-analysis modeling was undertaken in RevMan 5.3 to estimate the predictive value of frailty on adverse outcomes after kidney transplant.

RESULTS: This systematic review included 14 studies, eight of which were suitable for metaanalysis. Frailty increased the risk of mortality (pooled hazard ratio [HR] 1.98, 95% confidence interval [CI] 1.48–2.64), surgical complications (risk ratio [RR] 2.14, 95% CI 1.01–4.54), death-censored graft failure (DCGF) (pooled HR 3.31, 95% CI 1.27–8.62), length of stay (LOS) (pooled RR 1.59, 95% CI 1.05–2.39), length of stay ≥2 weeks (pooled odds ratio [OR] 1.72, 95% CI 1.26–2.35), and other common adverse outcomes among kidney transplant recipients.

CONCLUSIONS: Frailty is associated with adverse outcomes after kidney transplant. This systematic review suggests the importance of assessing frailty among kidney transplant candidates prior to transplantation. Further research focusing on pre-transplant assessment combined with frailty is warranted to improve kidney transplant management.

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How to Cite

Wang, Y., Kou, J., Xu, L., Tang, S., Wei, M., & Han, B. (2024). Frailty and post-transplant adverse outcomes among kidney transplant recipients: A systematic review and meta-analysis . Canadian Urological Association Journal, 18(11), E326–33. https://doi.org/10.5489/cuaj.8236

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