ArticleInternational journal of cardiology. Heart & vasculature2022
Microvascular dysfunction of the non-culprit circulation predicts poor prognosis in patients with ST-segment elevation myocardial infarction.
Article in International journal of cardiology. Heart & vasculature, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Microcirculation Function in Non-ST-Elevation Myocardial Infarction After the Index Event and at Follow-Up Assessment.CJC open · 2025Article
- Is the peripheral microcirculation a window into the human coronary microvasculature?Journal of molecular and cellular cardiology · 2024Review
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Authors and funding
9 authors.
Funding
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Abstract
Background: Endothelial and microvascular dysfunction are frequently found in the non-culprit territory in patients with acute myocardial infarction (AMI). We aimed to determine whether an impaired coronary physiology of the non-culprit territory impacts long-term prognosis. Methods: FISIOIAM was an observational single-center study which included patients with AMI and another coronary artery lesion in a different territory. Intracoronary physiology of the non-culprit artery was analyzed early after primary percutaneous coronary intervention of the culprit artery, using fractional flow reserve (FFR), index of microcirculatory resistance (IMR), coronary flow reserve (CFR), endothelium-dependent CFR (eCFR) and macrovascular endothelial function . Patients were followed for a composite outcome of cardiovascular death, non-fatal myocardial infarction, coronary revascularization, and hospitalization due to heart failure or unstable angina. Results: A total of 84 patients (mean age: 62 ± 10 years) were included and functional abnormalities were detected in 93% of them. During follow-up (median of 1422 days; interquartile range, 1287-1634), 13.1% of the patients experienced at least one adverse cardiovascular event. Kaplan-Meier analysis revealed that patients with a CFR < 2 had a higher risk of events (Hazard Ratio, HR: 4.97, 95% Confidence Interval, CI, 1.32-18.75), whereas other parameters such as FFR, IMR, eCFR, and macrovascular endothelial function had no effect. A low CFR was an independent predictor of cardiovascular events, even after adjustment for age and traditional cardiovascular risk factors (adjusted HR: 6.62, 95% CI, 1.30-33.70). Conclusions: The presence of abnormal coronary microvascular function as measured by a CFR < 2 in the non-culprit territory predicts future risk of adverse cardiovascular events.
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