Surgical management of retro-aortic left renal vein in combined abdominal aortic and coronary surgery

Although generally retro-aortic left renal vein is a rare anatomic finding, if occurs in 0.8% of the patients admitted for abdominal aortic aneurysm s urgery Surgeons fear fatal bleeding during clamping of the aorta, caused by a more caudal insertion of the retro-aortic left renal vein and a greater vulnerability of the anomalous tissue. Once such a complication occurs, a r econstruction of the retro-aortic left renal I,ein using a synthetic graft should be performed to obtain adequate renal venous flow and maintain renal function.