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Title: [Clinical efficacy of split liver transplantation in the treatment of children with biliary atresia].
Author: Fu BS, Yi SH, Yi HM, Feng X, Zhang T, Yang Q, Zhang YC, Yao J, Tang H, Zeng KN, Li XB, Yang Z, Lyu L, Chen GH, Yang Y.
Journal: Zhonghua Wai Ke Za Zhi; 2022 Oct 01; 60(10):900-905. PubMed ID: 36207978.
Abstract:
Objective: To compare the clinical efficacy of split liver transplantation (SLT) and living donor liver transplantation(LDLT) in the treatment of children with biliary atresia. Methods: The clinical data of 64 children with biliary atresia who underwent SLT and 44 children who underwent LDLT from June 2017 to May 2022 at Liver Surgery & Liver Transplantation Center,the Third Affiliated Hospital of Sun Yat-sen University were retrospectively analyzed. Among the children who received SLT, there were 40 males and 24 females. The median age at transplantation was 8 months (range:4 to 168 months). Among the patients who received LDLT, there were 24 males and 20 females. The age at transplantation ranged from 4 to 24 months,with a median age of 7 months. Sixty-four children with biliary atresia were divided into two groups according to the SLT operation time: 32 cases in the early SLT group(June 2017 to January 2019) and 32 cases in the technically mature SLT group (February 2019 to May 2022). Rank sum test or t test was used to compare the recovery of liver function between the LDLT group and the SLT group,and between the early SLT group and the technically mature SLT group. The incidence of postoperative complications was compared by χ² test or Fisher exact probability method. Kaplan-Meier method and Log-rank test were used for survival analysis. Results: The cold ischemia time(M (IQR)) (218 (65) minutes), intraoperative blood loss(175 (100) ml) and graft-to-recipient body weight ratio (3.0±0.7) in the LDLT group were lower than those in the SLT group(500 (130) minutes, 200 (250) ml, 3.4±0.8) (Z=-8.064,Z=-2.969, t=-2.048, all P<0.05). The cold ischemia time(457(158)minutes) and total hospital stay ((37.4±22.4)days) in the technically mature SLT group were lower than those in the early SLT group(510(60)minutes, (53.0±39.0)days).The differences were statistically significant (Z=-2.132, t=1.934, both P<0.05).The liver function indexes of LDLT group and SLT group showed unimodal changes within 1 week after operation. The peak values of ALT, AST, prothrombin time, activeated partial thromboplasting time, international normalized ratio, fibrinogen and creatinine all appeared at 1 day after operation, and the peak value of prothrombin activity appeared at 3 days after operation. All indicators returned to normal at 7 days after operation. The 1-,2-,and 3-year overall survival rates were 95.5% in LDLT group and 93.5% in the technically mature SLT group, and the difference was not statistically significant. The 1-,2-,and 3-year overall survival rates were 90.2% in the early SLT group and 93.5% in the technically mature SLT group, and there was no significant difference between the two groups(P>0.05). The main complications of the early SLT group were surgery-related complications(28.1%,9/32), and the main complications of the technically mature SLT group were non-surgery-related complications(21.9%,7/32). There were 5 deaths in the SLT group,including 4 in the early SLT group and 1 in the technically mature SLT group. Conclusion: The survival rate of SLT in the treatment of biliary atresia is comparable to that of LDLT. 目的： 比较劈离式肝移植（SLT）和活体肝移植（LDLT）治疗胆道闭锁患儿的临床效果。 方法： 回顾性分析2017年6月至2022年5月在中山大学附属第三医院肝脏外科暨肝移植中心行SLT的64例胆道闭锁患儿及同期实施LDLT的44例胆道闭锁患儿的临床资料。其中接受SLT的患儿中，男40例，女24例，移植时年龄为4~168个月，中位年龄为8个月；接受LDLT的患儿中，男24例，女20例。移植时年龄为4~24个月，中位年龄为7个月。将64例胆道闭锁患儿根据接受SLT手术时间的先后分为两组：SLT早期组32例（2017年6月至2019年1月）和SLT技术成熟期组32例（2019年2月至2022年5月）。LDLT组和SLT组及SLT早期组和SLT技术成熟期组中胆道闭锁患儿移植肝功能恢复情况的比较采用秩和检验或t检验。术后并发症发生率的比较采用χ²检验或Fisher 确切概率法。生存分析采用 Kaplan-Meier 法和Log-rank 检验。 结果： LDLT组冷缺血时间［M（IQR）］［218（65）min］、术中出血量［175（100）ml］及移植物与受者体重比（3.0±0.7）低于SLT组［500（130）min、200（250）ml及3.4±0.8］（Z=-8.064、Z=-2.969、t=-2.048，P值均<0.05）。SLT技术成熟期组患儿冷缺血时间［457（158）min］及总住院时间［（37.4±22.4）d］低于SLT早期组［510（60）min及（53.0±39.0）d］，差异均有统计学意义（Z=-2.132、t=1.934，P值均<0.05）。LDLT组及SLT组术后1周内肝功能指标呈单峰变化，ALT、AST、凝血酶原时间、活化部分凝血活酶时间、国际标准化比值、纤维蛋白原、肌酐的峰值均出现于术后1 d，凝血酶原活动度峰值出现于术后3 d。术后7 d各项指标降至接近正常值。LDLT组患儿1、2、3年总体生存率均为95.5%，SLT技术成熟期组1、2、3年总体生存率均为93.5%，差异无统计学意义（P>0.05）。SLT早期组患儿1、2、3年总体生存率均为90.2%，与SLT技术成熟期组相比，差异亦无统计学意义（P>0.05）。SLT早期组的并发症主要为手术相关并发症（28.1%，9/32），SLT技术成熟期组并发症主要为非手术相关并发症（21.9%，7/32）。SLT组共有5例死亡，其中SLT早期组4例，SLT技术成熟期组1例。 结论： 在技术成熟的情况下，SLT治疗儿童胆道闭锁可达到与LDLT相当的临床效果。.

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