Left ventricular assist device (LVAD) candidates will be comprehensively evaluated at our center, including clinical evaluation, echocardiography, right heart catheterization, cardiopulmonary exercise test and laboratory exams. following this evaluation, patients will be treated with inotropes, diuretics, uptitrated neurohormonal therapy. vitamin and iron deficiencies will be corrected and the patients will be referred for coronary interventions and cardiac resynchronization therapy appropriately. The need for LVAD implantation will be reevaluated according to the patient's clinical condition, echocardiography and laboratory findings.