Late results of preferential use of tube versus bifurcation grafts for abdominal aortic aneurysmectomy
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- Friedman, S.G., Hardaway, M.Y., Jurkiewicz, A.J. et al. Annals of Vascular Surgery (1990) 4: 39. doi:10.1007/BF02042687
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The advantages of tube versus bifurcation graft replacement of abdominal aortic aneurysms are well known, yet the risk of future development of iliac occlusive or aneurysmal disease still leads many to use bifurcation grafts routinely. Several studies have reported little risk of this development when patients are followed clinically. They suffer, however, from lack of an objective means of identifying iliac aneurysms. Among 83 patients undergoing abdominal aortic aneurysmectomy during a 53 month period, 36 who had received a tube graft were available for follow-up. After a mean of 54 months from the time of surgery, these patients were evaluated by abdominal and pelvic computed tomography to determine the incidence of subsequent iliac aneurysm formation. No patient had developed symptoms or signs of iliac occlusive disease during this interval. In addition, no residual aortic aneurysms or new iliac aneurysms were noted. In the absence of iliac occlusive or aneurysmal disease, straight graft replacement is the preferred therapy for abdominal aortic aneurysms. The risk of future development of these lesions is minimal.