Total Mechanical Unloading Minimizes Metabolic Demand of Left Ventricle and Dramatically Reduces Infarct Size in Myocardial Infarction Saku, K., Kakino, T., Arimura, T., Sakamoto, T., Nishikawa, T., Sakamoto, K., Ikeda, M., Kishi, T., Ide, T., Sunagawa, K.