An analysis of risk factors for early complications after liver transplantation
目的研究影响肝移植术后早期并发症的相关危险因素,以期改善患者预后。方法收集2011年9月-2017年4月于吉林大学白求恩第一医院肝移植中心接受原位肝移植术的147例肝移植患者的临床资料。根据早期并发症的有无分为无并发症组（n=11）和并发症组（n=136）。收集其可能发生术后早期并发症的相关因素,包括供体因素（年龄、供受体血型是否相符）,受体因素[包括性别、年龄、原发病、MELD评分、AST、ALT、Alb、PLT、Hb、纤维蛋白原、TBil、肌酐、PLT/Alb比值（PAR）、中性粒细胞/淋巴细胞比值（NLR）],术中因素（包括冷缺血时间、热缺血时间、术中出血量、无肝期时间）,术后因素（包括术后即时、12 h、24 h、48 h、72 h AST和ALT）。符合正态分布的计量资料2组间比较采用t检验;不符合正态分布的计量资料2组间比较采用Mann-Whitney U检验;多因素分析采用向后LR法logistic回归分析。结果单因素分析显示,MELD评分（t=-3.86,P=0.002）、Alb（t=2.19,P=0.049）、PLT（Z=467.00,P=0.039）、PAR（Z=5...Abstract:
Objective To investigate the risk factors for early complications after liver transplantation and to improve the prognosis. Methods The clinical data of 147 patients who underwent orthotopic liver transplantation in the Hepatic Transplantation Center of The First Hospital of Jilin University from September 2011 to April 2017 were retrospectively analyzed. According to the presence or absence of early complications after surgery, these patients were divided into non-complication group (n = 11) and complication group (n = 136) . The possible factors associated with early complications after surgery were collected, including donor factors (age and whether the blood type of the donor matches that of the recipient) , recipient factors (sex, age, primary disease, Model for End-Stage Liver Disease [MELD]score, aspartate aminotransferase [AST], alanine aminotransferase[ALT], albumin [Alb], platelet [PLT], hemoglobin [Hb], fibrinogen, total bilirubin, creatinine, PLT/Alb ratio [PAR], and neutrophil/lymphocyte ratio [NLR]) , intraoperative factors (cold ischemia time, warm ischemia time, intraoperative blood loss, and duration of anhepatic phase) , and postoperative factors (AST and ALT immediately and 12, 24, 48, and 72 hours after operation) . The clinical data were analyzed to investigate the association between these factors and early complications.The t test was used for comparison of normally distributed continuous data; the Mann-Whitney U test was used for comparison of non-normally distributed continuous data. The chi-square test was used for comparison of categorical data. Backward logistic regression was used for multivariate analysis. Results MELD score (t =-3. 86, P = 0. 002) , Alb (t = 2. 19, P = 0. 049) , PLT (Z = 467. 00, P = 0. 039) , PAR (Z = 500. 00, P = 0. 068) , fibrinogen (t = 1. 80, P = 0. 096) , TBil (Z =-1. 98, P = 0. 047) , preoperative AST (Z = 417. 00, P =0. 015) , and preoperative ALT (Z = 501. 50, P = 0. 070) were associated with postoperative complications. PAR and preoperative AST were independent risk factors for early complications (odds ratio [OR]= 3. 84, 95% confidence interval [CI]: 1. 03-14. 34, P < 0. 05; OR =0. 25, 95% CI: 0. 07-0. 94, P < 0. 05) . The 147 patients were divided into high-PAR group (PAR ≥3 × 109/g; n = 55) and low-PAR group (PAR < 3 × 109/g; n = 92) ; PAR was associated with postoperative vascular and biliary complications (χ2= 2. 87, P = 0. 090;χ2= 3. 54, P = 0. 060) . The 147 patients were divided into normal preoperative AST group (AST < 40 U/L; n = 93) and abnormal preoperative AST group (AST ≥40 U/L; n = 54) ; preoperative AST level was associated with postoperative pleural effusion (χ2= 3. 03, P =0. 082) . Conclusion Fibrinogen, PLT, Alb, TBil, PAR, MELD score, and preoperative AST and ALT are associated with the development of early complications after liver transplantation, and PAR and preoperative AST are independent risk factors for early complications.To improve the prognosis and postoperative survival, these factors, particularly PAR, should be fully assessed for the liver transplantation recipient before operation, and specific interventions should be provided accordingly.
- liver transplantation /
- postoperative complications /
- risk factors
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