Trans-catheter mitral valve-in-valve replacement in a patient on venoarterial extracorporeal membrane oxygenation: a case report.

Background: Bioprosthetic mitral valves on average have a median durability between 8 and 10 years. After the failure of a bioprosthetic valve, surgical replacement is often indicated. However, the options for those patients at high or prohibitive surgical risks are limited.