[Ruptured Stanford Type A Acute Aortic Dissection Accompanying Persistent Sciatic Artery Aneurysm: Report of a Case].

Persistent sciatic artery( PSA) is a rare congenital anomaly and often results in aneurismal or occlusive changes. A 82-year-old woman was reffered with diagnosis of Stanford type A acute aortic dissection complicated cardiac tamponade. Emergent aortic arch replacement was performed. Cardiopulmonary bypass was established by central cannulation into true lumen of aortic arch because of asceding aortic rupture during the operation, axillary arteries dissection and hypoplastic femoral arteries. Post-operative course was uneventful. She was transferred to the local hospital 32 days after the operation for the purpose of rehabilitation.