Mortality of coronary artery bypass grafting before and after the advent of angioplasty

Paul K. Davis, Salvatore A. Parascandola, Cynthia A. Miller, David B. Campbell, John L. Myers, Walter E. Pae, William S. Pierce, Craig B. Wisman, John A. Waldhausen

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Abstract

In an effort to determine whether the population of patients undergoing isolated coronary artery bypass grafting and the outcome of these operations have changed, we analyzed the records of two patient populations from our institution. Interventionsl cardiology techniques (angioplasty, thrombolysis) were not used at our institution before 1982. The records of 736 patients (group 1) who underwent isolated coronary artery bypass grafting from January 1975 to July 1981 were reviewed and compared with a group of 603 patients (group 2) who underwent operation from July 1985 to December 1987. The techniques of operation and myocardial preservation were virtually identical during the two periods. During the group 2 analysis period, 343 angioplasty procedures were performed. The patients in group 2 were significantly older, had increased preoperative New York Heart Association classification, had sustained more previous myocardial infarctions, and had more associated morbid medical conditions. There was a threefold increase in patients seen for reoperative revascularization procedures and a fourfold increase in emergency operations. Overall mortality, although not significantly different, did increase slightly from 2.69% in group 1 to 3.83% in group 2. Mortality after elective procedures remained essentially unchanged (2.05% for group 1 and 1.90% for group 2).

Original languageEnglish (US)
Pages (from-to)493-498
Number of pages6
JournalThe Annals of thoracic surgery
Volume47
Issue number4
DOIs
StatePublished - Apr 1989

All Science Journal Classification (ASJC) codes

  • Surgery
  • Pulmonary and Respiratory Medicine
  • Cardiology and Cardiovascular Medicine

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    Davis, P. K., Parascandola, S. A., Miller, C. A., Campbell, D. B., Myers, J. L., Pae, W. E., Pierce, W. S., Wisman, C. B., & Waldhausen, J. A. (1989). Mortality of coronary artery bypass grafting before and after the advent of angioplasty. The Annals of thoracic surgery, 47(4), 493-498. https://doi.org/10.1016/0003-4975(89)90422-0