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The Changing Pattern of Coronary Artery Bypass Surgery

Christakis, T., George ; Ivanov, D., Joan ; Weisel, L., Richard ; Birnbaum, E., Peter ; David, A., Tirone ; Salerno, A., Tomas

Circulation, 1989, Vol.80(3 Suppl I), pp.I-151–I-161 [Tạp chí có phản biện]

ISSN: 0009-7322

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  • Nhan đề:
    The Changing Pattern of Coronary Artery Bypass Surgery
  • Tác giả: Christakis, T., George ; Ivanov, D., Joan ; Weisel, L., Richard ; Birnbaum, E., Peter ; David, A., Tirone ; Salerno, A., Tomas
  • Chủ đề: Coronary Artery Bypass -- Statistics & Numerical Data
  • Là 1 phần của: Circulation, 1989, Vol.80(3 Suppl I), pp.I-151–I-161
  • Mô tả: Recent advances in interventional cardiology have altered the profile of patients referred for coronary artery bypass surgery. In recent years, the proportion of high-risk patients has increased dramatically. To evaluate the impact of the changing pattern of surgical patients, we prospectively followed up 7,334 patients who had coronary artery bypass surgery between 1982 and 1986. Multivariate analysis identified the following risk factors for operative mortality: urgency of surgery, left ventricular ejection fraction, age, female sex, previous bypass surgery, and left main coronary artery stenosis. Perioperative mortality has remained stable despite an increasing incidence of high-risk patients. However, perioperative morbidity has increased, due to the large number of high-risk patients. A multivariate analysis was performed by year to identify temporal trends in risk factors. Urgency of surgery, age, and previous bypass surgery have become more significant predictors of mortality with respect to time, whereas female sex, left ventricular ejection fraction, and left main coronary artery stenosis have become less significant determinants of mortality. Our results demonstrate the critical dependence of mortality and morbidity rates on the case mix, and further improvements in the results of coronary artery bypass surgery will require better strategies for the increasing number of high-risk patients.
  • Số nhận dạng: ISSN: 0009-7322

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