Key result
In patients with >50% coronary stenosis, the presence of coronary collateral circulation was significantly associated with regional wall motion abnormalities (PR 1.5) and greater severity of coronary artery disease.
Cross-Sectional (n=302)
No
Nature is full of paradoxes and one of the most intriguing is the blood supply to the heart. Although the coronary arteries are treated as end arteries even in a normal human heart, the network of tiny anastomotic branches interconnect the major coronary arteries and are the precursor for the development of collateral circulation
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Sanjeev Asotra (2021) conducted a cross-sectional in Coronary Artery Disease (n=302). Coronary collateral circulation vs. Absence of coronary collateral circulation was evaluated on Regional wall motion abnormality (RWMA) (PR 1.5, 95% CI 1.2-1.8, p=<0.001). In patients with >50% coronary stenosis, the presence of coronary collateral circulation was significantly associated with regional wall motion abnormalities (PR 1.5) and greater severity of coronary artery disease.
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