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Coronary artery bypass surgery in the elderly.
1Mount Elizabeth Medical Centre, Singapore.
Annals of the Academy of Medicine, Singapore
|January 1, 1990
Summary
Advancing age is an independent risk factor for complications after coronary artery bypass grafting (CABG). However, elderly patients with unstable angina may still benefit from CABG, improving their quality of life.
Area of Science:
- Cardiology
- Cardiac Surgery
- Geriatric Medicine
Background:
- Coronary artery disease (CAD) is a leading cause of mortality worldwide.
- Coronary artery bypass grafting (CABG) is a common surgical intervention for CAD.
- The impact of aging on CABG outcomes requires ongoing investigation.
Purpose of the Study:
- To evaluate the influence of advanced age on patient outcomes after CABG for isolated CAD.
- To identify age-related risk factors associated with complications and mortality following CABG.
Main Methods:
- Retrospective review of 370 patients undergoing CABG for isolated CAD between January 1985 and June 1989.
- Analysis of patient demographics, comorbidities, surgical factors, and postoperative outcomes.
- Univariate and multivariate regression analyses to determine significant risk factors.
Main Results:
- Overall mortality was 2.7% and complications occurred in 26.8% of patients.
- Advanced age (≥65 years), comorbidities, poor left ventricular function, and left main stem disease were significant risk factors.
- Increasing age beyond 65 years emerged as an independent risk factor for adverse outcomes.
Conclusions:
- While advanced age is an independent risk factor for CABG complications, elderly patients with severe, unstable angina should not be excluded from surgical consideration.
- CABG can lead to improved quality of life in carefully selected elderly patients.
- Risk stratification and patient selection are crucial for optimizing outcomes in older adults undergoing CABG.