Open Surgical Repair for a Ruptured Abdominal Aortic Aneurysm with a Horseshoe Kidney

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Horseshoe kidney is a congenital anomaly characterized by medial fusion of the bilateral kidneys. Treatment for an abdominal aortic aneurysm (AAA) with a horseshoe kidney is a technical challenge because of the complex anatomy. We report a successful open surgical repair for a ruptured AAA with a horseshoe kidney. An aortic grafting was performed with division of the renal isthmus through a transperitoneal approach. In the case of a ruptured AAA, quick open surgery is the most reliable treatment. If a horseshoe kidney coexists, transperitoneal approach with division of the renal isthmus provides good surgical field for an aortic grafting.