Key result
Coronary bypass surgery resulted in consistently better exercise tolerance than medical therapy over a 2-year follow-up, with improvement largely dependent on the completeness of revascularization.
Why the study?
Does coronary bypass surgery improve exercise tolerance compared to medical therapy alone in patients with coronary heart disease?
Population
100 patients with coronary heart disease
Comparison
Coronary bypass surgery vs Medical therapy alone
Design
RCT, Randomly allocated
Follow-up
2 years
Authors
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Supports CABG over medical therapy for sustained exercise tolerance gains in CHD; confirms benefit requires complete revascularization.
RCT (n=100)
randomly allocated
Does coronary bypass surgery improve exercise tolerance compared to medical therapy alone in patients with coronary heart disease?
Coronary bypass surgery provides a sustained improvement in exercise tolerance over 2 years compared to medical therapy alone, particularly when complete revascularization is achieved.
Frick et al. (1979) conducted an RCT in coronary heart disease (n=100). coronary bypass surgery vs. medical therapy was evaluated on Exercise tolerance. Coronary bypass surgery resulted in consistently better exercise tolerance than medical therapy over a 2-year follow-up, with improvement largely dependent on the completeness of revascularization.
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