Sequential saphenous vein grafting combined with selective arterialization of middle cardiac vein during off-pump coronary artery bypass surgery

Currently coronary artery bypass grafting （CABG） is the most commonly used procedure for revascularization of coronary heart disease. However it may not be suitable for the patients with diffuse coronary artery diseases. Under this circumstance, retrograde perfusion via cardiac venous system, namely retrograde coronary venous bypass graft （CVBG）,