Abstract
Background: We believe that the necessary conditions for promotion of cardiac recovery from acute heart failure are very low ventricular workload and full ventricular relaxation. We have developed a recovery-directed left ventricular assist device (RDLVAD) that is capable of ensuring them and therefore can improve cardiac recovery. It consists of a valved apical conduit, an afterload-controlling chamber (ACC) and a centrifugal pump. During left ventricular systole, the RDLVAD allows the left ventricle to eject blood preferentially through the apical valve into the ACC because the ACC pressure was kept well below the aortic pressure.
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