Why the study?
Does the presence of angina predict underlying coronary artery disease in patients with mitral or aortic valve disease?
Population
129 patients with either mitral or aortic valve disease
Design
Cross-sectional
Authors
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Angina associates more strongly with CAD in mitral than aortic valve disease; this Level 4 observation leaves open whether routine angiography is warranted.
Does the presence of angina predict underlying coronary artery disease in patients with mitral or aortic valve disease?
Angina is a stronger predictor of underlying coronary artery disease in patients with mitral valve disease than in those with aortic valve disease, warranting coronary arteriography in all such patients presenting with angina.
Baxter et al. (1978) studied this question.
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