Why the study?
Is the performance of coronary angiography in asymptomatic patients associated with the appropriateness of subsequent PCI?
Is the performance of coronary angiography in asymptomatic patients associated with the appropriateness of subsequent PCI?
Performing diagnostic coronary angiography in asymptomatic patients is associated with worse hospital-level appropriateness of subsequent percutaneous coronary intervention.
Raises caution on angiography in asymptomatic patients; observational data leaves open causal effects on PCI appropriateness.
In a national sample of hospitals, performance of coronary angiography in asymptomatic patients was associated with higher rates of inappropriate PCI and lower rates of appropriate PCI. Improving preprocedural risk stratification and thresholds for coronary angiography may be one strategy to improve the appropriateness of PCI.
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Bradley et al. (2014) studied this question.
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