Abstract
While elective repair of abdominal aortic aneurysms and aortoiliac occlusive disease is associated with an acceptable (3%) mortality rate, combined aortic and renal revascularization has usually been reported to have a higher perioperative mortality. Over the past 5 years, 785 elective aortic procedures have been performed at the authors' medical center. During the same period, 77 renal artery reconstructions have been performed in 73 patients in conjunction with aortic procedures. All were done using the retroperitoneal approach to the aorta and renal arteries. Indication for concomitant renal artery revascularization included 79% (61 of 77 patients) for either significant stenosis or anatomic involvement, 18% for renovascular hypertension (14 of 73) and 3% (two of 73) for renal impairment. The demographics and risk factors were similar in both groups. Operative mortality rate was 2.9% (23 of 785) in the aortic group and 3% (two of 73) in the combined group. Complications in the combined group were one stroke (1.4%), one re-exploration for bleeding (1.4%), two pulmonary pneumonia (2.7%) and five patients had elevated serum creatinine (>350 μmol/l) after operation. Of these patients two died, one had an occluded graft and two eventually improved. There was one early graft thrombosis and one late thrombosis. In the authors' experience, concominant aortic bypass and renal artery revascularization can be performed with an acceptable-mortality and morbidity using the retroperitoneal approach.
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