PMID: 15224641Jul 1, 2004Paper

Coronary surgery: which method to use?

Revista Portuguesa De Cardiologia : Orgão Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology
Miguel Sousa UvaManuel Pedro Magalhães

Abstract

To compare 4 methods of myocardial protection in GABG in terms of markers of myocardial ischemia, mortality, morbidity and mid-term results. Retrospective study of 241 consecutive patients undergoing isolated > 1 CABG using one of 4 methods: off-pump (OFF, n = 108), cardiopulmonary bypass (CPB) and cardioplegia (CARD, n = 66), CPB and beating heart (BEAT, n = 47), or CPB and ventricular fibrillation (FIBR, n = 20). Mean age was 65.7 +/- 9.3 years and mean EuroSCORE was 3.2 +/- 2.3. The groups were similar in terms of age, gender distribution, body mass index, incidence of smoking, hypertension, renal insufficiency, CCS class, ventricular function and mean EuroSCORE. Serial blood samples were collected for CK-MB and troponin T, preoperatively and 1, 6, 12 and 24 hours after the procedure. Mean number of distal anastomoses was 3.27 BEAT, 2.98 CARD, 2.90 FIBR and 2.55 OFF (p < 0.05 OFF vs. the other 3 groups). Six patients died in hospital (2.5%), 2/47 BEAT (4.2%), 1/66 CARD (1.5%), 1/20 FIBR (5.0%), 2/108 (1.9% OFF) (p = 0.1). The incidence of atrial fibrillation, stroke/TIA and blood transfusion and length of stay were similar between groups (p = 0.1) but there was a tendency for increased incidence of Q-wave MI (p = 0.08) in OF...Continue Reading

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