Para-valvular leaks represent a relevant post-operative complication of cardiac valve replacement, often causing heart failure or severe hemolysis. We report a case of a 72 year-old woman with aortic and mitral mechanical prostheses who developed hemolytic anemia because of a para-prosthetic mitral leak. Chest tomography in such patient unexpectedly documented inferior vena cava interruption with azygos continuation into superior vena cava. Given the high surgical risk, the venous anomaly and the presence of the aortic valve prosthesis, transcatheter leak closure via antero-lateral mini-thoracotomy and transapical approach was performed.
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