A comparison between combined liver kidney transplants to liver transplants alone: A systematic review and meta-analysis

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Abstract

Background: Since the introduction of the Model for End-stage Liver disease criteria in 2002, more combined liver kidney transplants are performed. Until 2017, no standard allocation policy for combined liver kidney transplant (CLKT) was available and each transplant center decided eligibility for CLKT or liver transplant alone (LTA) on a case-by-case basis. The aim of this systematic review was to compare the clinical outcomes of CLKT compared to LTA in patients with renal dysfunction. Methods: Databases were systematically searched for studies published between January 2010 and March 2021. Outcomes were expressed as risk ratios and pooled with a random-effects model. The primary outcome was patient survival. Results: Four studies were included. No differences were observed for mortality risk at 1 year (risk ratio (RR) 1.03 [confidence interval (CI) 0.97–1.09], 3 years (RR 1.06 [CI 0.99–1.13]) and 5 years (RR 1.08 [CI 0.98–1.19]). The risk of graft loss was similar in the first year (RR 1.10 [CI 0.93–1.30], while 3-year risk of graft loss was significantly lower in CLKT patients (RR 1.15 [CI 1.08–1.24]). Conclusions: CLKT has similar short-term graft and patient survival as LTA in patients with renal dysfunction. More data is needed to decide from which KDIGO stage patients benefit the most from CLKT.

Original languageEnglish
Article number100633
JournalTransplantation Reviews
Volume35
Issue number4
DOIs
Publication statusPublished - Dec 2021

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