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目的:筛选患儿亲体肝移植术后心肌损伤的危险因素。方法:选择2017年10月至2019年7月在本院行亲体肝移植术患儿病历资料。以门静脉开放后4～6 h血清cTnI浓度≥0.07 ng/ml作为心肌损伤的诊断标准，将患儿分为心肌损伤组和无心肌损伤组。采用logistic回归分析筛选患儿亲体肝移植术后心肌损伤的危险因素。结果:共纳入169例患儿，亲体肝移植术后心肌损伤发生率为53.3%。与无心肌损伤组比较，心肌损伤组体重、再灌注综合征发生率差异有统计学意义(n P≤0.05)。logistic回归分析显示低体重及再灌注综合征是患儿亲体肝移植术后心肌损伤的独立危险因素(n P<0.05)。n 结论:低体重及再灌注综合征为患儿亲体肝移植术后心肌损伤的独立危险因素。“,”Objective:To identify the risk factors for myocardial injury in the pediatric patients undergoing living donor liver transplantation.Methods:The medical records of pediatric patients who underwent living donor liver transplantation in our hospital from October 2017 to July 2019 were collected.The serum cardiac troponin I concentrations ≥0.07 ng/ml at 4-6 h after portal vein opening was considered as the diagnostic criteria for myocardial injury, and the pediatric patients were divided into myocardial injury group and non-myocardial injury group.Logistic regression analysis was used to stratify the risk factors for myocardial injury after living donor liver transplantation.Results:A total of 169 pediatric patients were enrolled, and the incidence of myocardial injury after living donor liver transplantation was 53.3%.Compared with non-myocardial injury group, no significant change was found in body weight and incidence of reperfusion syndrome in myocardial injury group (n P≤0.05). The results of logistic regression analysis showed that low body weight and reperfusion syndrome were independent risk factors for myocardial injury after living donor liver transplantation (n P<0.05).n Conclusion:Low body weight and reperfusion syndrome are independent risk factors for myocardial injury after living donor liver transplantation in the pediatric patients.