Why the study?
Conflicting results exist regarding the association between COPD and CAD, both of which are leading causes of morbidity and mortality.
Is COPD associated with the presence of angiographically diagnosed CAD in patients undergoing coronary angiography?
Population
26,137 adult patients undergoing coronary angiography in Alberta, Canada
Comparison
Patients with COPD vs those without COPD
Design
Retrospective analysis of a prospectively collected registry
Authors
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COPD was associated with lower angiographic CAD odds; hypothesis-generating and should not change practice pending confirmation.
Is COPD associated with the presence of angiographically diagnosed CAD in patients undergoing coronary angiography?
In patients undergoing coronary angiography, COPD was unexpectedly found to be negatively associated with the presence of significant CAD.
Hong et al. (2019) studied this question.
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