The CorInnova cardiac compression device (CorInnova, Inc., Houston, TX, USA) is designed to provide direct biventricular support, increase output, and improve ventricular unloading in patients with heart failure. Placed within the pericardium surrounding both ventricles, has two concentric sets of thin-film polyurethane chambers: (1) inner (epicardial) saline-filled chambers that conform intima...