PMID: 2260933Feb 1, 1990Paper

Comparative study of cardioplegia and intermittent cross-clamping in myocardial revascularization surgery

Arquivos brasileiros de cardiologia
F B JateneA D Jatene


To compare the effects of two methods for myocardial preservation during coronary artery by pass graft (CABG): the intermittent aortic cross-clamping (IACC) and the cold hyperkalemic solution (CHS). One hundred and sixty-three patients operated for CABG between October/83 to May/84 were studied retrospectively. Those operated in emergency situations, reoperations and those who required concomitant additional procedures were excluded. The surgical technique used in both groups was essentially the same. Group I comprised 93 cases (40-70 years-old, median 57.7% y; 86% male) in which IACC were used. Group II comprised 70 cases (37-72 years old, median 67.7 y; 80% male) in which CHS (St. Thomas) was injected into the aortic root. The patients were evaluated in the immediate postoperative period at 3, 6, 12 months and then in variable periods until the 61 months of late follow-up. Myocardial ischemia and infarction, the use of drugs and the hospital time recovery were evaluated. The occurrence of symptoms, return to work, physical capacity, reinternations, reoperations and late deaths were evaluated in the late follow-up. During hospital period, no death was observed. Perioperative myocardial infarct was similar in both groups (group...Continue Reading

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