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  • Title: [How hazardous is elective coronary bypass surgery? Perioperative course in 1000 consecutive patients].
    Author: Ovrum E.
    Journal: Tidsskr Nor Laegeforen; 1991 Oct 20; 111(25):3057-9. PubMed ID: 1948916.
    Abstract:
    During a 30 month period, 1,000 consecutive elective coronary artery bypass operations were performed in 863 men and 137 women. The majority of the patients had no impairment of the left ventricle; more than 66%, however, had one or more operative high risk factors (old age, female sex, low ejection fraction, diabetes, overweight, unstable angina). Perioperative complications, which included prolonged stay in hospital, were noted in 24 patients (2.4%), due to myocardial infarction, wound infection or neurological disorder. Myocardial necrosis, diagnosed by new Q-waves and elevated enzymes, was demonstrated in 31 patients (3.1%), most of whom were asymptomatic. A consistent blood conservation programme resulted in avoidance of any homologous blood products in 96.4% of the patients. The mortality among hospitalized patients was 1/1,000 (0.1%). Elective coronary artery bypass surgery may be performed with a very low rate of mortality and morbidity, which compares very well with the results achieved after alternative revascularization procedures such as percutaneous transluminal coronary angioplasty (PTCA), laser angioplasty and arterectomy.
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