Abstract
The aim of the study was to investigate the association between platelet count/prothrombin time early after transplant and short-term outcomes among living-donor liver transplant (LDLT) recipients. Postoperative platelet count and prothrombin time-international normalized ratio (PT-INR) were critical biomarkers in LDLT. The study participants consisted of 445 initial LDLT recipients, and perioperative variables, including platelet count and PT-INR, were assessed for their association with severe complications (Clavien-Dindo classification grade IIIb/IV) and mortality within 90 days after operation. Severe complications and operative mortality occurred in 161 (36%) and 23 patients (5%), respectively. Cox regression analysis revealed that a high body mass index [hazard ratio (HR) 1.2; 95% confidence interval (CI), 1.1-1.4; P = 0.004] and low platelet count on postoperative day (POD)3 (HR 0.88; 95% CI, 0.57-0.97; P < 0.001) were independent predictors for grade IIIb/IV complications after LDLT, whereas high PT-INR on POD5 (HR 1.1; 95% CI, 1.1-1.3; P = 0.021) was the only independent factor for operative mortality. In addtion, the progonostic scoring with low platelet count (<50 × 10/L) and prolonged prothrombin time (PT-INR >1.6) within POD5, 1 point for each, was demonstrated to be useful in predicting the development of Clavien-Dindo grade IIIb/IV/V complications after LDLT (30% for score 0, 46% for score 1, and 72% for score 2: 0 vs 1, P = 0.004; 0 vs 2, P < 0.001; 1 vs 2, P = 0.002). PT-INR above 1.6 and platelet count below 50 × 10/L within POD5 were useful predictors of mortality and severe complications after LDLT.
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