• Jei-Wen Chang, Hui-Hsin Yang, Niang-Cheng Lin, Fang-Cheng Kuo, Tzu-Ching Lin, and Hsin-Lin Tsai.
• Department of Pediatrics, Taipei Veterans General Hospital, Taipei, Taiwan.
• Ann. Med. 2023 Dec 1; 55 (1): 22308712230871.

BackgroundLiver transplant recipients have an increased risk of osteoporosis and fractures. The aim of this study was to identify risk factors for fractures after liver transplant in a Taiwanese population.MethodsWe identified newly diagnosed liver transplant recipients from the National Health Insurance Research Database in Taiwan between 2003 and 2015. Risk factors of post-transplant fractures were analyzed using a Cox proportional hazards model.ResultsA total of 4821 patients underwent liver transplantation, of whom 419 (8.7%) had post-transplant fractures. Independent predictors of post-transplant fractures were age ≥65 years at transplantation (hazard ratio (HR): 1.566; 95% confidence interval (CI) 1.122-2.186), female sex (HR: 1.648; 95% CI 1.319-2.057), fractures within 1 year prior to transplant (HR: 3.664; 95% CI 2.503-5.364), hepatitis C carriers (HR: 1.594; 95% CI 1.289-1.970), alcoholism (HR: 1.557; 95% CI 1.087-2.230) and daily prednisolone dose >1.61-3.78 mg/day (HR: 1.354; 95% CI 1.005-1.824), >3.78-9.18 mg (HR: 4.182; 95% CI 3.155-5.544) and >9.18 mg (HR: 13.334; 95% CI 9.506-18.703). Post-transplant fractures were inversely correlated with tacrolimus (HR: 0.617; 95% CI 0.417-0.913) and sirolimus/everolimus (HR: 0.504; 95% CI 0.391-0.650) treatment.ConclusionsThe liver transplant recipients, and especially those who were aged ≥65 years, female, hepatitis C carriers, had a history of fractures within 1 year prior to transplant, alcoholism, and higher daily prednisolone dose were associated with an increased risk of post-transplant fractures. Conversely, the use of tacrolimus and sirolimus/everolimus was associated with a decreased risk of fractures.

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