• Toshihiro Kitajima, Seisuke Sakamoto, Kengo Sasaki, Hajime Uchida, Soichi Narumoto, Akinari Fukuda, Satoshi Teramukai, Shinji Uemoto, and Mureo Kasahara.
• Organ Transplantation Center, National Center for Child Health and Development, Tokyo, Japan.
• Liver Transpl. 2017 Sep 1; 23 (9): 1199-1209.

AbstractAfter decades of dramatic surgical innovations in pediatric living donor liver transplantation (LDLT), LDLT for biliary atresia (BA) still poses various challenges. This study reviewed our experience with LDLT for children with post-Kasai BA and evaluated outcomes and prognostic factors. From 2005 to 2016, 168 post-Kasai BA LDLT patients were enrolled and divided into 3 groups by age. Patient characteristics and perioperative data were compared. Predictors of morbidity and mortality following LDLT were analyzed in 93 infants. Outcome was relatively worse in infants than older children, with overall survival at 1 and 5 years of 94.5% and 93.2%, respectively, and graft survival at 1 and 5 years of 91.1% each. Incidence of vascular complications was not significantly higher in infants. High Pediatric End-Stage Liver Disease (PELD) score (odds ratio [OR], 3.72; 95% confidence interval [CI], 1.30-10.67; P = 0.02) and portal vein (PV) hypoplasia (OR, 3.23; 95% CI, 1.10-9.52; P = 0.03) were independent risk factors for morbidity. Low weight-for-age z score (hazard ratio, 5.76; 95% CI, 1.05-31.47; P = 0.03) was identified as a significant risk factor for mortality after LDLT, but not age or absolute body weight (BW). Infants with BW deficit had a significantly smaller PV diameter (P = 0.005), greater blood loss (P = 0.001), and higher incidence of postoperative bacteremia (P = 0.01). In conclusion, high PELD score and PV hypoplasia were independent risk factors for morbidity, and BW deficit was associated with poor survival in infants with post-Kasai BA after LDLT. However, LDLT in these infants at the earliest possible time after referral is a feasible option with excellent patient survival in an experienced center. Liver Transplantation 23 1199-1209 2017 AASLD.© 2017 by the American Association for the Study of Liver Diseases.

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