Pre-transplant physical performance, muscle quality, and body composition as predictors of post-liver transplant outcomes: a retrospective cohort study.
Fotros D, Mahdavi-Mazdeh G, et al. • European journal of medical research • 2026
Pre-transplant muscle function and quality, assessed via handgrip strength, lean body mass to fat mass ratio, 6-minute walk distance, and skeletal muscle indices, were associated with post-liver transplant mortality and hospital length of stay, indicating that sarcopenia is a strong predictor of liver transplant prognosis.
Key Findings
Results
A 6-minute walk distance greater than 450 meters was associated with a 76% reduction in the risk of post-transplant mortality.
In the fully adjusted model, 6MWD > 450 m was associated with HR = 0.24 (p-trend = 0.049).
The study used Cox regression models to evaluate the association between 6MWT performance and post-transplant mortality.
The 6-minute walk test was conducted as part of pre-transplant assessments in 127 cirrhotic patients.
Results
Higher lean body mass to fat mass ratio (LBM/FM) was associated with significantly reduced post-transplant mortality.
HR = 0.33, 95% CI 0.1–0.99 in the fully adjusted model.
LBM/FM was measured using bioelectrical impedance analysis (BIA) pre-transplant.
This finding was derived from a retrospective cohort of 127 cirrhotic patients undergoing liver transplantation between 2022 and 2023.
Results
Stronger pre-transplant handgrip strength (HGS) was associated with significantly reduced post-transplant mortality.
HR = 0.17, 95% CI 0.04–0.73 in the fully adjusted model.
HGS was assessed as part of pre-transplant evaluations and analyzed using Cox regression models.
This represents an approximately 83% reduction in the risk of mortality associated with stronger handgrip strength.
Results
Higher skeletal muscle index (SMI) at the T12 and L3 vertebral levels was associated with shorter post-transplant hospital length of stay.
SMI at T12 was associated with shorter LOS (p = 0.047) and SMI at L3 was associated with shorter LOS (p = 0.035).
Associations were analyzed using linear regression models.
SMI was measured at both T12 and L3 levels as part of pre-transplant assessments.
Methods
The study enrolled 127 cirrhotic patients who underwent liver transplantation between 2022 and 2023 and assessed multiple pre-transplant physical and body composition measures.
Pre-transplant assessments included the 6-minute walk test (6MWT), bioelectrical impedance analysis (BIA), handgrip strength (HGS), and skeletal muscle indices (SMI).
Post-transplant outcomes analyzed included hospital length of stay (LOS) and mortality.
Statistical analyses used Cox and linear regression models.
The study design was a retrospective cohort study.
Background
Sarcopenia, marked by muscle loss and weakness, is common in cirrhotic patients undergoing liver transplantation and is associated with poor postoperative outcomes.
The paper identifies sarcopenia as a strong predictor of liver transplant prognosis.
Management of sarcopenia before liver transplantation may reduce mortality, according to the authors.
The study emphasizes the importance of muscle assessments in pre-transplant evaluations.
Fotros D, Mahdavi-Mazdeh G, Yari Z, Sakhdari H, Shojaei Asrami R, Dehghan P, et al.. (2026). Pre-transplant physical performance, muscle quality, and body composition as predictors of post-liver transplant outcomes: a retrospective cohort study.. European journal of medical research. https://doi.org/10.1186/s40001-026-03851-w