Endovascular Stent-Graft Repair for Abdominal Aortic Aneurysms in Comparison with Open Surgery / 日本心臓血管外科学会雑誌

ABSTRACT

This report describes the results of endovascular stent graft repair for abdominal aortic aneurysms in comparison with conventional open surgery. Endovascular repair of abdominal aortic aneurysm was performed in 21 patients (SG group) and 69 patients were treated with conventional open surgery (OS group). The SG group had a higher preoperative risk than the OS group. The complete exclusion of the aneurysm at 2 weeks after the stent graft treatment was obtained in 16 out of 21 SG cases (76%). On the other hand, in the OS group, 68 of 69 cases underwent successful surgery (99%). The average amount of bleeding during the endovascular stent graft repair was 427ml and the average operation time was 242 minutes. Both blood loss and operation time were significantly lower compared to the OS group. The endovascular stent graft repair was less invasive in comparison with conventional open surgery. However, judging from the initial success rate, open surgery is more reliable than the endovascular stent graft repair. Our data suggested that the endovascular stent graft repair should be performed only in selected cases.