The risk of coronary bypass surgery for patients with postinfarction angina

T. J. Gardner, R. S. Stuart, P. S. Greene, W. A. Baumgartner

Research output: Contribution to journalArticlepeer-review

Abstract

Three hundred consecutive patients who developed unstable postinfarction angina requiring isolated coronary artery bypass from 1982 through 1987 were analyzed. Hospital mortality was 5%; 15 (5.5%) additional late deaths occurred during the 69-month follow-up period (mean follow-up, 23.3 months). Significant independent predictors of perioperative mortality by univariate analysis were ejection fraction (p = 0.004); existence of an anterior, transmural infarction (p = 0.0001); and the requirement for preoperative intra-aortic balloon counterpulsation (p = 0.001). By multivariate analysis, only the occurrence of an anterior, transmural infarction (p = 0.001) and the preoperative use of an intra-aortic balloon pump (p = 0.004) were significant independent predictors of mortality. Actuarial survival in this group ranged from 96 ± 1% at 1 year to 88 ± 4% at 5 years.

Original languageEnglish (US)
Pages (from-to)I- 79-I- 80
JournalCirculation
Volume79
Issue number6 SUPPL.
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

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