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目的:探讨预置血管缝合器行B型主动脉夹层腔内隔绝术的疗效.方法:将收治的109例B型主动脉夹层患者分为观察组(55例)和对照组(54例),观察组患者采取预置2把ProGilde血管缝合器进行术后修复穿刺点,对照组采取传统缝合修复的方法,比较两组患者的相关临床指标.结果:与对照组比较,观察组平均手术时间(98.2 minvs.140.8 min)、退鞘后血管处理时间(4.3 minvs.9.1 min)、住院时间(4.4 dvs.5.9 d)的均明显减少,平均住院费用(8.4万元vs.8.1万元)增加(均P0.05);观察组与对照组的手术成功率、术后3个月手术部位的血管直径差异均无统计学意义(均P>0.05);观察组1例、对照组3例因发生内漏实施二次手术,观察组的总并发症发生率明显低于对照组(7.27%vs.24.07%,P0.05). One case in observation group and 3 cases in control group underwent repeat intervention due to apparent endoleak, and the overall incidence of complications in observation group was significantly lower than that in control group (7.27%vs. 24.07%,P<0.05). Conclusion: Using preclose technique in endovascular exclusion of type B aortic dissection is safe and efficient, with reliable surgical results and few postoperative complications.