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- Espregueira Themudo, Raquel,1978-Uppsala universitet,Enheten för radiologi (author)
Clinically unrecognized myocardial scars detected by MR are not associated with coronary artery disease
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- LIBRIS-ID:oai:DiVA.org:uu-172070
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- Summary in:English
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- Background: We have previously discovered an unexpected high prevalence of unrecognized myocardial infarction (UMI) scars by delayed-enhanced magnetic resonance imaging (DE-MRI) in the general elderly population. We now investigated if those UMIs were associated with coronary artery disease (CAD). Methods: Eighty-eight subjects from the PIVUS study (age 75-years) who had been investigated with DE-MRI (45 with UMI and 43 without DE-MRI-detected scars) underwent coronary computed tomography angiography (CTA) to assess Agatston calcium score and coronary artery stenosis. Of those, 65 also performed an exercise ECG test. Results: No differences were found between the subjects with UMI and the group without DE-MRI-detected scars regarding the number of coronary artery segments with significant stenosis, Agatston calcium score, or degree of ST-depression at the exercise test. Conclusion: DE-MRI-detected UMI scars do not have an increased prevalence of coronary artery stenosis or signs of myocardial ischemia at exercise test when compared to a control group. These findings indicate that UMI scars in general are not related to CAD.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Radiologi och bildbehandling hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Radiology, Nuclear Medicine and Medical Imaging hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Kardiologi hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Cardiac and Cardiovascular Systems hsv//eng
- Unrecognized myocardial infarction; delayed-enhanced magnetic resonance imaging; coronary computed tomography angiography; exercise test; coronary artery disease
- Radiology
- Radiologi
- Cardiology
- Kardiologi
- Epidemiology
- Epidemiologi
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- Duvernoy, OlovUppsala universitet,Enheten för radiologi (author)
- Barbier, CharlotteUppsala universitet,Enheten för radiologi (author)
- Johansson, LarsUppsala universitet,Enheten för radiologi (author)
- Lind, LarsUppsala universitet,Medicin (author)
- Ahlström, HåkanUppsala universitet,Enheten för radiologi (author)
- Bjerner, TomasUppsala universitet,Enheten för radiologi (author)
- Uppsala universitetEnheten för radiologi (creator_code:org_t)
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