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. 2022 Jul;57(7):495-504.
doi: 10.1007/s00535-022-01880-w. Epub 2022 Jun 1.

Allograft liver failure awaiting liver transplantation in Japan

Takuya Genda  1 , Takafumi Ichida  2 , Eiji Tanaka  3 , Satoshi Mochida  4 , Yoshiyuki Ueno  5 , Shuji Terai  6 , Ayano Inui  7 , Yoshihide Ueda  8 , Hideki Ohdan  9 , Hiroto Egawa  10 , Koji Umeshita  11 , Hiroyuki Furukawa  12 , Yukihiro Inomata  13
Affiliations

Allograft liver failure awaiting liver transplantation in Japan

Takuya Genda et al. J Gastroenterol. 2022 Jul.

Abstract

Background: Following liver transplantation (LT), allograft liver failure can be developed by various causes and requires re-LT. Hence, this study aimed to clarify the characteristics and prognostic factors of patients with allograft liver failure awaiting deceased donor LT (DDLT) in Japan.

Methods: Of the 2686 DDLT candidates in Japan between 2007 and 2016, 192 adult patients listed for re-LT were retrospectively enrolled in this study. Factors associated with waitlist mortality were assessed using the Cox proportional hazards model. The transplant-free survival probabilities were evaluated using the Kaplan-Meier analysis and log-rank test.

Results: The median period from the previous LT to listing for re-LT was 1548 days (range, 4-8449 days). Primary sclerosing cholangitis (PSC), which was a primary indication, showed a higher listing probability for re-LT as compared with other primary etiologies. Recurrent liver disease was a leading cause of allograft failure and was more frequently observed in the primary indication of hepatitis C virus (HCV) infection and PSC in contrast with other etiologies. Multivariate analysis identified the following independent risk factors associated with waitlist mortality: age, Child-Turcotte-Pugh (CTP) score, mode for end-stage liver disease (MELD) score, alanine aminotransferase (ALT), and causes of allograft failure.

Conclusions: Recurrent HCV and PSC were major causes of allograft liver failure in Japan. In addition to CTP and MELD scores, either serum ALT levels or causes of allograft failure should be considered as graft liver allocation measures.

Keywords: Hepatitis C virus; Liver re-transplantation; Primary sclerosing cholangitis; Recurrence; Transplant-free survival.

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