摘要目的 探讨经人工血管径路的血管腔内治疗的安全性与疗效.方法 17例人工血管转流术后患者,16例吻合口狭窄伴有人工血管血栓形成(10例同时有流人道或流出道狭窄),1例仅有流入道狭窄.局麻下,16例(有吻合口狭窄和人工血管血栓形成)在人工血管取栓后行血管腔内治疗;1例直接经皮穿刺人工血管行血管腔内治疗.观察转流血管的通畅情况.结果 13例远端吻合口,1例近端吻合口各置入支架1枚,2例远端吻合口放置支架失败(10例同时行髂动脉、腘动脉、胫后或胫前动脉支架置入或球囊扩张术),1例只行股总动脉支架置入.随访时间为1～35个月,平均为(12±4)个月;2例下肢缺血加重,其中1例出现足部及小腿的坏疽,1周后行膝上截肢术,另1例又行转流术;1例3个月后又出现下肢缺血症状,1例6个月后死于心肌梗死,其他病例血管仍保持通畅.结论 经人工血管径路的血管腔内治疗,创伤小,近期疗效尚可,为处理人工血管转流术后吻合口狭窄、流人道和流出道病变添加了一种方法.

abstractsObjective To evaluate the safety and efficacy of endovascular intervention to revise peripheral bypass problems through prosthetic approach.Methods Among 17 cases undergoing graft bypass anastomotic stenosis and graft thrombosis was identifled in 16 cases(inflow or outflow obstructive lesions in 10),inflow obstructive lessions in 1(without anastomotic and graft thrombosis).All revision procedures were taken under local anesthesia,16 patients were treated by means of surgical thrombectomy followed by endovascular intervention through prosthesis itself in addition to one who had no thrombectomy.The graft patency and clinical outcome were observed.Resuits Thirteen stents were implanted in 13patients with distal anastomotic stenosis and 1 with proximal anastomotic stenosis including 10 stentings/PTAs in iliac popliteal,posterior tibial or anterior tibial arteries.One stent was implanted in 1 patient with common femoral stenosis.Stenting were not used(abandoned)in 2 patients,of which one underwent a foot amputation and calf gangrene occurred a week later,and the other had a redo of grafting.Follow-up time is 1-35 months.with an average of 12±4 months.One had a below-knee amputation two months after intervention,the other had symptoms recurred and treated with a redo 3 months afterwards.the third died of myocardial infarction six months later.Grafts remained patent in the rest 13 patients at follow-up.Conclusions Endovascular intervention through prosthesis is a safe and effective method,which offers an alternative means to treat anastomotic stenosis.inflow or outflow obstructive lesions.