Warm versus cold blood, and any blood versus crystalloid, cardioplegia in adults undergoing coronary artery bypass grafting surgery with cardiopulmonary bypass

To review the benefits and harms of: (a) warm blood cardioplegia (21 °C to 37 °C) versus cold blood cardioplegia (≤ 20 °C); and (b) blood cardioplegia versus crystalloid cardioplegia in adults undergoing coronary artery bypass grafting (CABG) with cardiopulmonary bypass (CPB).

This is a protocol.