A left ventricular end-diastolic dimension less than 6.0 cm is associated with mortality after implantation of an axial-flow pump.


Division of Cardiothoracic Transplantation and Circulatory Support, Baylor College of Medicine, Houston, Tex; Department of Cardiopulmonary Transplantation and the Center for Cardiac Support, Texas Heart Institute, Houston, Tex; Department of Cardiothoracic Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Tokyo, Japan. Electronic address: [Email]


The effects of having a lower left ventricular end-diastolic dimension before HeartMate II (Thoratec Corp, Pleasanton, Calif) left ventricular assist device implantation remain unclear. We analyzed our single-center data on HeartMate II implantation to determine whether having a lower left ventricular end-diastolic dimension preoperatively was associated with inferior outcomes.


heart failure,left ventricular assist device,neurological dysfunction,small left ventricle,