Comparison of cold versus warm cardioplegia. Crystalloid antegrade or retrograde blood

摘要: Background. To evaluate the efficacy of warm versus cold and antegrade retrograde cardioplegia, 163 patients were randomized in sequence three groups underwent isolated coronary artery bypasses (mean, 4 grafts/patients) alternating sequence. Methods Results. The demographic profiles identical. Cold crystalloid cardioplegia (group 1) was delivered through aortic root intermittently. 2) started with high potassium solution until heart stopped. It continued sinus perfusion, 100 mL/min blood. blood (4:1) 3)