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Routine coronary angiography for effort angina.
M V Jelinek1, N G Becker, W F Ryan
1Cardiac Investigation Unit, St Vincent's Hospital, Fitzroy, VIC.
The Medical Journal of Australia
|June 17, 1991
Summary
Coronary angiography improves survival for patients with effort angina, outperforming exercise testing in identifying high-risk individuals. Bypass surgery further enhances long-term survival chances for these patients.
Area of Science:
- Cardiology
- Diagnostic Imaging
- Clinical Medicine
Background:
- Effort angina management requires accurate risk stratification.
- Exercise testing and coronary angiography are key diagnostic tools.
Purpose of the Study:
- To compare the diagnostic and prognostic value of exercise testing versus coronary angiography.
- To evaluate their roles in managing patients with effort angina.
Main Methods:
- Retrospective follow-up study of 434 patients with effort angina.
- Analysis of patient survival based on diagnostic procedures and interventions.
Main Results:
- Coronary angiography and ST segment depression on exercise testing predicted survival.
- Five-year survival was 96% with angiography vs. 86% without.
- Medical management without angiography showed higher mortality in specific subgroups.
Conclusions:
- Coronary angiography is superior to exercise testing for identifying high-risk effort angina patients.
- Coronary bypass surgery significantly improves five-year survival in these patients.