Why the study?
Does the presence of angina or coronary risk factors predict the yield of significant coronary artery disease on pre-operative coronary arteriography in patients undergoing valve replacement?
Does the presence of angina or coronary risk factors predict the yield of significant coronary artery disease on pre-operative coronary arteriography in patients undergoing valve replacement?
The yield of pre-operative coronary arteriography for detecting significant CAD in valve replacement candidates is very low in patients without angina or risk factors, suggesting a targeted approach may be appropriate.
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Supports selective pre-operative angiography in valve candidates; leaves open whether this improves outcomes.
Ramsdale et al. (1981) studied this question.
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