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Turkish Journal of Medical Sciences

DOI

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Abstract

Patients undergoing aortocoronary bypass surgery were randomly assigned to receive cold (+10 ^oC, Group A, n: 36) or tepid (+29 ^oC, Group B, n: 47) blood cardioplegia. The preoperative ejection fraction of all the patients was under 40%. Cardioplegic solution was delivered in antegrade and retrograde fashion in both groups. The myocardial protective effects of these 2 different cardioplegic temperatures were compared in terms of the postoperative cardiac index and left ventricle stroke work index, dopamine and dobutamine requirements in the intensive care unit, intra aortic balloon pump requirement, intensive care unit stay length and mortality ratios. The daily mean cardiac index and left ventricular stroke work index values of Group B were significantly higher than those of Group A for the first and second postoperative days (p

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