Retroperitoneal exclusion and bypass is a viable alternative to traditional open endoaneurysmorraphy in surgery for abdominal aortic aneurysm. Most excluded aneurysm sacs have thrombosis without any long- or short-term complications; however, in a small number of patients delayed rupture of patent aneurysm occurs, thus emphasizing the need for diligent follow-up and appropriate intervention.
Laparoscopic-assisted aneurysmectomy is safe and effective and can be performed with good results. The longer operation time required is well tolerated in patients who are at good and moderate risk. Prior training in laparoscopic aortic surgery is necessary for surgeons to obtain the required level of expertise needed to perform these procedures. With these caveats, the results of our study suggest that laparoscopic-assisted aortic aneurysmectomy is appropriate for moderate-to-good risk (American Society of Anesthesiologists class of III or lower) operative candidates meeting standard criteria for aneurysm resection in whom preoperative computed tomography scan and biplane arteriography demonstrate a proximal aneurysm neck of 0.5 cm or larger and no need for visceral or internal iliac artery reconstruction. A randomized trial would be required to confirm the benefits of this procedure over open aneurysmectomy.
In-line aortic bypass for treatment of aortic graft infections yields excellent results and has become our treatment of choice in dealing with this difficult problem.
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