Why the study?
What is the prevalence of significant coronary artery disease in patients undergoing preoperative investigation for valvular heart disease, and who benefits from routine coronary angiography?
Population
329 consecutive patients undergoing preoperative investigation for valvular heart disease
Design
Cross-sectional
Authors
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Prevalence data support selective preoperative angiography by symptoms and age; leaves open whether routine use improves outcomes in asymptomatic younger patients.
What is the prevalence of significant coronary artery disease in patients undergoing preoperative investigation for valvular heart disease, and who benefits from routine coronary angiography?
Preoperative coronary angiography is recommended for valvular heart disease patients with angina or older age (≥60 for aortic, ≥65 for mitral), but may be safely omitted in younger asymptomatic patients.
Olofsson et al. (1985) studied this question.