VentrAssistTM LVAD as a Bridge to Cardiac Transplantation - Feasibility Trial

Inclusion Criteria (The following are general criteria; more specific criteria are included in the study protocol): * Approved and listed for cardiac transplantation. * Patient for whom LVAD implantation is planned as a clinically indicated bridge to cardiac transplantation. Exclusion Criteria(The following are general criteria; more specific criteria are included in the study protocol): * Presence of heart conditions that would contraindicate LVAD implantation by adversely affecting patient survival or LVAD function. * Primary coagulopathy or platelet disorder; contraindication to anticoagulant or anti-platelet agents. * Presence of any mechanical circulatory support other than intra-aortic balloon pump. * Therapy with an investigational intervention at the time of screening.