ArticleBMC cardiovascular disorders2025
Prolonged pain-to-balloon time still impairs midterm left ventricular function following STEMI.
Article in BMC cardiovascular disorders, 2025. 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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Who cites it
2 citing papers in PubMed.
- Age-Related Patterns of Myocardial Recovery After Primary PCI for Acute Myocardial Infarction: A Prospective 12-Month Study.Biomedicines · 2026Article
- Machine Learning-Based Prediction of Early Left Ventricular Function After STEMI.Journal of clinical medicine · 2025Article
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Authors and funding
13 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundST-elevation myocardial infarction (STEMI) demands near-time reperfusion to reduce the risk of long-term heart failure. This study evaluates the proportion of impaired left ventricular ejection fraction (LVEF) following STEMI in the context of current healthcare settings at a tertiary care center equipped with the most advanced and up-to-date standards of care.
methodsPatients experiencing STEMI as their first manifestation of coronary artery disease were analyzed, as these individuals had no prior experience with heart-related chest pain. LVEF was assessed by levocardiography at admission and semiautomatically using TOMTEC in patients with eligible full-cycle echocardiography of 2- and 4-chamber view available at discharge and 1-year follow-up (FU). Pain-to-balloon time was divided into quartiles (Q) [0-111, 112-159, 160-246 and 247-784 min]. Multiple logistic regression analysis identified independent predictors of reduced LVEF < 50% at 1-year FU.
resultsA total of 1,379 consecutive STEMI patients were reviewed from 2010 to 2017, with 130 meeting the inclusion criteria. Mean age was 63 ± 12 years, 75% were male, 14% had diabetes, 72% had arterial hypertension, and 56% had history of smoking. LVEF was reduced in 94% of patients at admission, 69% at discharge, and remained reduced in 45% at the 1-year follow-up. Anterior wall myocardial infarction (OR 3.2 [95%-CI 1.2-6.9], p = 0.018) and increasing pain-to-balloon time across quartiles (Q2: OR 15.7 [95%-CI 1.8-140.4], p = 0.014; Q4: OR 33.7 [3.4-278.7] p = 0.002) were independently associated with reduced LVEF at 1 year.
conclusionDespite optimal medical management and advanced healthcare structures, nearly half of patients with STEMI as their first presentation of coronary artery disease continue to exhibit reduced LVEF at 12-months. Anterior wall myocardial infarction and pain-to-balloon time exceeding 2 h remain independent predictors of left ventricular dysfunction. Further improvements in healthcare systems and public education are essential to reduce treatment delays and improve long-term outcomes.
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