Clinical and anatomical considerations for surgery in aortoiliac disease and results of surgical treatment. A variety of surgical procedures are available for the treatment of occlusive disease involving the aorta and iliac arteries. Use of the most appropriate operation in each patient, determined principally by disease location and patient risk, can provide highly effective relief of disabling claudication or limb-threatening ischemia with low morbidity and mortality rates. The excellent, durable results of current surgical practice should serve as the standard with which newer treatment modalities must be compared. 