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Minerva Cardioangiologica 2020 Jun 02

DOI: 10.23736/S0026-4725.20.05109-9

Copyright © 2020 EDIZIONI MINERVA MEDICA

language: English

Association between the ST segment resolution after primary angioplasty and short term outcomes in patients with acute myocardial infarction

Fatemeh MASOUMKHANI 1, Sepehr GOHARI 2, Tara RESHADMANESH 2, Hassan AHANGAR 1 , Soghrat FAGHIHZADEH 3

1 Department of Cardiology, Mousavi Hospital, Zanjan University of Medical Sciences, Zanjan, Iran; 2 School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran, 3 Department of Epidemiology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran



BACKGROUND: The aim of this study was to evaluate the relationship between the early/late complete ST-resolution and short-term cardiovascular outcomes in patients undergoing primary angioplasty.
METHODS: This was a prospective cross-sectional study of patients with acute myocardial infarction who candidate for primary percutaneous coronary intervention (PCI) during 1 year. An ECG obtained at the time of admission, 90 minutes and 24 hour after PCI. Patients were followed up for in hospital and 1-year outcomes and then data assessed according to the ST segment resolution (STR) (complete ≥70% and incomplete <70% STR).
RESULTS: Totally 124 patients included in the study. The rates of complete STR were 44.4% after 90 minutes and 82.3% after 24 hours. Patients with early complete STR had significant lower rates of heart failure after 1 year follow up (32% versus 46%, OR: 1.88, 95%CI: 1.42-2.50, P=0.005) but not like patients with late STR. No significant relationship observed between early/late complete STR and Re-Infarction, Stroke, Re-hospitalization and Death during 1 year follow-up (P>0.05). Moderate correlations were found between percentage of ST resolution after 90 minutes and EF before discharge and final EF (correlation coefficient: 0.395 and 0.488, respectively, P<0.001).
CONCLUSIONS: Based on the results of this study, early complete STR can be an indicator for development of heart failure after 1 year follow up.


KEY WORDS: Myocardial infarction; ST elevation; ST resolution; Primary PCI; Outcome

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