Hepatorenal Artery Bypass in the Management of Renovascular Hypertension

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Abstract
Infrequently, when the aorta cannot be used for a standard renal bypass operation because of a previous aortic operation, severe degenerative atherosclerosis or complete aortic thrombosis, a unilateral (hepatic) or bilateral (hepatic and splenic) visceral bypass should be contemplated. Patients with abdominal aortic aneurysms extending above the renal arteries might benefit from concomitant bilateral visceral bypass procedures followed by aortic replacement during the same operative session. The hepatic circulation with its common anatomic variations, indications, surgical technique and effects of hepatorenal artery bypass on the renal and hepatic circulation are discussed.