There were no major differences in conduit flow on-pump versus off-pump. Conventional coronary artery bypass grafting on-pump may restore up to approximately half of the normal resting coronary artery blood flow (250 mL/min).
Evidence from experiments performed in animal models and from early-stage clinical trials demonstrate that the contractile performance of hearts with severe ischemic injury can be improved by transplanting a variety of cell types into the injured heart.
