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Usefulness of traditional echocardiographic parameters in assessment of left ventricular function in patients with normal ejection fraction early after acute myocardial infarction: results from a large consecutive cohort
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, UCR-Uppsala Clinical Research Center. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Cardiology-Arrhythmia.
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2016 (English)In: European Heart Journal Cardiovascular Imaging, ISSN 2047-2404, E-ISSN 2047-2412, Vol. 17, no 4, 413-420 p.Article in journal (Refereed) Published
Abstract [en]

AIMS: The aim of this study was to assess the frequency of left ventricular (LV) systolic function impairment using classical echocardiographic parameters and their relation to myocardial damage in patients hospitalized for acute myocardial infarction (MI) with normal LV ejection fraction (LVEF ≥52% in males or ≥54% in females).

METHODS AND RESULTS: All 421 consecutive patients with MI included in the REBUS (RElevance of Biomarkers for future risk of thromboembolic events in UnSelected post-myocardial infarction patients) study underwent two-dimensional and Doppler echocardiography within 72 h after admission. A normal LVEF was present in 262 (73.8%) of the 355 patients ultimately enrolled in the study. Patients with normal LVEF more often presented with non-ST-elevation myocardial infarction and had less comorbidities when compared with those with impaired LVEF. No differences in demographic factors or relevant medications were observed. Higher value of mean annular plane systolic excursion (MAPSE), lower wall motion score index (WMSI), lower LV as well as left atrial volumes characterized patients with normal LVEF. Impaired MAPSE was present in 64.4%, WMSI >1 in 72.1%, and dilated left atrium in 33.6% of those patients. Maximal cardiac troponin concentration reflecting infarct size showed the strongest association with WMSI (β = 0.35), followed by LVEF (β = -0.29), MAPSE (β = -0.25), and indexed LV end-systolic volume (β = 0.19; P < 0.001 for all the models).

CONCLUSION: In two-third of patients with MI and normal LVEF, at least one of the other markers of systolic function was outside of the normal range. WMSI reflected the size of MI better than global LV function parameters as LVEF or MAPSE.

Place, publisher, year, edition, pages
2016. Vol. 17, no 4, 413-420 p.
National Category
Cardiac and Cardiovascular Systems
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URN: urn:nbn:se:uu:diva-265869DOI: 10.1093/ehjci/jev160ISI: 000375440800012PubMedID: 26139362OAI: oai:DiVA.org:uu-265869DiVA: diva2:876730
Available from: 2015-12-04 Created: 2015-11-03 Last updated: 2017-12-01Bibliographically approved

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Baron, TomaszFlachskampf, Frank AJohansson, KristinaHedin, Eva-MariaChristersson, Christina

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Baron, TomaszFlachskampf, Frank AJohansson, KristinaHedin, Eva-MariaChristersson, Christina
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UCR-Uppsala Clinical Research CenterCardiologyDepartment of Medical SciencesCardiology-Arrhythmia
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European Heart Journal Cardiovascular Imaging
Cardiac and Cardiovascular Systems

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