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Purpose <p>The relationship between sarcopenia and post-liver transplant (LT) mortality is still not well understood. This study aims to provide an updated and comprehensive meta-analysis evaluating the impact of sarcopenia on the survival of LT patients.</p> Methods <p>We conducted searches in PubMed, Web of Science, and EMBASE up until May 2, 2024, without language restrictions. The primary outcome measured was the overall post-LT mortality risk associated with sarcopenia. The DerSimonian–Laird random effects model was used to calculate pooled adjusted hazard ratios (HRs).</p> Results <p>Eighteen cohort studies comprising a total 6297 LT patients were included. The overall prevalence of sarcopenia was 27% (95% CI: 26%-28%), and this rate was lower when sarcopenia was defined using the third lumbar-skeletal muscle index in men, and among patients with lower Child–Pugh class. Sarcopenia remained significantly associated with higher mortality, with a pooled adjusted HR of 1.55 (95% CI 1.28–1.89). This association held across subgroups based on sex, study location, sarcopenia definition, study quality, and living donor LT recipients. A sensitivity analysis excluding groups with a high proportion of hepatocellular carcinoma patients showed similar findings (HR 1.63, 95% CI 1.13–2.35). No significant heterogeneity was identified in any of the analyses.</p> Conclusions <p>This meta-analysis shows that sarcopenia is significantly associated with increased mortality after LT. Thus, the risk of sarcopenia should be factored into the initial evaluation of LT candidates.</p>

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Effect of sarcopenia on the survival of patients undergoing liver transplantation: a meta-analysis

  • 期刊论文

  • 发表日期：

    2025年2月10日

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  • Miho Akabane,
  • Yuki Imaoka,
  • Toshihiro Nakayama,
  • Carlos O. Esquivel,
  • Kazunari Sasaki

摘要

Purpose

The relationship between sarcopenia and post-liver transplant (LT) mortality is still not well understood. This study aims to provide an updated and comprehensive meta-analysis evaluating the impact of sarcopenia on the survival of LT patients.

Methods

We conducted searches in PubMed, Web of Science, and EMBASE up until May 2, 2024, without language restrictions. The primary outcome measured was the overall post-LT mortality risk associated with sarcopenia. The DerSimonian–Laird random effects model was used to calculate pooled adjusted hazard ratios (HRs).

Results

Eighteen cohort studies comprising a total 6297 LT patients were included. The overall prevalence of sarcopenia was 27% (95% CI: 26%-28%), and this rate was lower when sarcopenia was defined using the third lumbar-skeletal muscle index in men, and among patients with lower Child–Pugh class. Sarcopenia remained significantly associated with higher mortality, with a pooled adjusted HR of 1.55 (95% CI 1.28–1.89). This association held across subgroups based on sex, study location, sarcopenia definition, study quality, and living donor LT recipients. A sensitivity analysis excluding groups with a high proportion of hepatocellular carcinoma patients showed similar findings (HR 1.63, 95% CI 1.13–2.35). No significant heterogeneity was identified in any of the analyses.

Conclusions

This meta-analysis shows that sarcopenia is significantly associated with increased mortality after LT. Thus, the risk of sarcopenia should be factored into the initial evaluation of LT candidates.