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A single center’s experience on endoluminal repair of abdominal aortic aneurysms

2012-08-15 00:54:32TangXiao
外科研究與新技術(shù) 2012年1期

/Tang Xiao

(唐驍,Dept Vascul Surg,Zhongshan Hosp,F(xiàn)udan Univ,Shanghai 200032)…∥Chin J Gen Surg.-2011,26(11).-895~898

ObjectiveTo retrospectively analyze the geometrical characteristics of abdominal aortic aneurysms undergoing endovascular treatment in a single medical center.The long-term effects as well as the strategies for the prevention and treatment of complications have been reviewed.MethodsFrom January 2003 to December 2010,clinical data and geometrical parameters of 344 cases undergoing endoluminal repair of abdominal aortic aneurysms were analyzed retrospectively.ResultsThe diameter and length of proximal neck was(23±3)mm and(26 ±12)mm respectively.The angle between the neck and the abdominal aortic aneurysm was(25±28)degree.The surgical success rate was 99.7%.The average follow-up time was 32.9 months(3-84 months)with follow-up rate 81.8%(279/341).The mortality was 1.1%(3/279),the re-intervention rate was 10.4%(29/279)and the overall complication rate was 12.9%(36/279),including endoleak of 5.7%(16/279),stentgraft migration of 1.1%(3/279),aneurysm expansion or rupture of 5.4%(15/279),and other complications like limb occlusion.Severe infrarenal aortic neck angulation(>60 degree)was associated with typeⅠ endoleak(P=0.010).ConclusionA careful preoperative case selection and evaluation is the key for a successful endovascular aneurysm repair.Endoleak continues to be the major long-term complication of the endoluminal grafting technique,and the major cause for re-intervention.Lifelong follow-up is extremely important.7 refs,4 figs

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