门脉高压症术后抗凝治疗下门静脉血栓形成的因素分析

摘要

目的：分析门静脉高压症术后抗凝治疗下门静脉血栓形成的危险因素。方法回顾性分析我院门静脉高压症手术治疗的96例患者的临床资料。分为血栓组和非血栓组，对可能预测门静脉血栓形成的各种因素进行分析。结果96例患者中有41例(40.08%)出现门静脉血栓。患者性别、年龄、Child-Pugh 分级、手术方式、手术前后门静脉压力及压力差、凝血酶原时间、术前血小板计数、脾脏指数、门静脉内径等均不是预测门静脉血栓形成的危险因素；脾静脉直径是门静脉血栓形成的独立危险因素(P =0.036)，当脾静脉直径>11 mm 时，术后容易形成门静脉血栓。结论术前彩色多普勒检测脾静脉直径可以预测门静脉高压症患者手术治疗后门静脉血栓形成。%Objective To investigate the risk factors for portal vein thrombosis (PVT)under anticoagulation therapy after surgery in patients with portal hypertension.Methods We made a retrospective analysis of clinical data of 96 portal hypertension patients for surgical treatment at our hospital.All the patients with postoperative PVT or without were divided into two groups.Risk factors that may predict PVT were analyzed.Results PVT developed in 41 (40.08%)of 96 patients after surgery.Risk factors such as sex,age,Child-Pugh classification,type of operation,portal pressure and the pressure difference before and after surgery,preoperative prothrombin time, preoperative platelet count,spleen index,and portal vein diameter were not predictors of PVT.However,splenic vein diameter was an independent risk factor for PVT (P = 0.036);postoperative PVT tended to develop when the splenic vein diameter was larger than 1 1 mm.Conclusion Preoperative color Doppler testing of splenic vein diameter can predict PVT after surgery in patients with portal hypertension.