Key result
The presence of collateral circulation independently predicted normal myocardial blush (adjusted OR 3.98; 95% CI 1.12-14.09; P=0.033) and rapid reperfusion following primary angioplasty.
Why the study?
Does the presence of collateral circulation improve myocardial reperfusion in patients with acute myocardial infarction undergoing primary angioplasty?
Population
114 patients with acute myocardial infarction who underwent primary angioplasty
Comparison
Presence of collateral circulation vs Absence of collateral circulation
Design
Cohort
Authors
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May refine reperfusion risk stratification in primary angioplasty; leaves open whether collaterals warrant prospective trials before guiding practice.
Observational (n=114)
Does the presence of collateral circulation improve myocardial reperfusion in patients with acute myocardial infarction undergoing primary angioplasty?
Effect estimate: adjusted OR 3.98 (95% CI 1.12-14.09)
p-value: p=0.033
In patients with acute myocardial infarction undergoing primary angioplasty, the presence of collateral circulation is associated with faster reperfusion and a protective effect on infarct size.
Albertal et al. (2008) conducted an observational in Acute Myocardial Infarction (n=114). Presence of collateral circulation vs. Absence of collateral circulation was evaluated on Normal myocardial blush (adjusted OR 3.98, 95% CI 1.12-14.09, p=0.033). The presence of collateral circulation independently predicted normal myocardial blush (adjusted OR 3.98; 95% CI 1.12-14.09; P=0.033) and rapid reperfusion following primary angioplasty.
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