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  • Title: Descending thoracic aorta-to-iliofemoral artery bypass as an alternative to aortoiliac reconstruction.
    Author: Criado E, Johnson G, Burnham SJ, Buehrer J, Keagy BA.
    Journal: J Vasc Surg; 1992 Mar; 15(3):550-7. PubMed ID: 1538513.
    Abstract:
    During the last 3 decades subcutaneous extraanatomic bypass, despite its limited durability, has been the favored alternative to infrarenal aortofemoral bypass. Meanwhile, the descending thoracic aorta has been scarcely used as an inflow source for aortoiliac reconstruction. Over the past 8 years we performed 16 bypasses from the descending thoracic aorta to the iliofemoral vessels for occlusive disease. Our experience combined with that found in the English-language literature totaled 141 patients. In 79 patients (56%) the indication for surgery was failure or infection of an abdominal aortofemoral graft. Previous abdominal operations, sepsis, radiation therapy, the presence of abdominal stomas, or an unsuitable infrarenal aorta were the indications in the remaining cases. The combined operative mortality rate was 6.4%. The life-table primary graft patency was 98% at 1 year, 88% at 2 years, and 70.4% at 5 years. Bypass from the descending thoracic aorta to the iliofemoral artery uses an inflow source superior to other extraanatomic reconstructions, does not require aortic cross-clamping, avoids the abdominal cavity, and places the graft remote to the skin and intestine. The operative mortality and patency rates compare favorably to those of other extraanatomic or remedial aortic reconstructions. Descending thoracic aorta to iliofemoral artery bypass is a superb alternative to abdominal aortofemoral bypass, carries a low mortality rate, has an excellent short-term patency, and features unique characteristics for long-term durability.
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