| Value of T2-weighted, first-pass and delayed enhancement, and cine CMR to differentiate between acute and chronic myocardial infarction. | |
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MedLine Citation:
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PMID: 17149626 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to analyze the diagnostic accuracy of edema on T2-weighted (T2w) cardiac magnetic resonance imaging (CMR), presence of microvascular obstruction (MO) on first-pass enhancement (FPE) or on delayed enhancement (DE) CMR, and wall thinning on cine CMR to differentiate between acute (AMI) and chronic myocardial infarction (CMI) in patients with infarction on DE-CMR. Fifty patients were imaged 5 +/- 3 days (baseline) and 8 +/- 3 months (follow-up) after AMI at 1.5 T. Imaging findings were graded as present or absent in a blinded consensus reading. Edema was present at baseline in 48 (96%) patients and absent at follow-up in 49 (98%) patients. At baseline, MO was present in 29 (58%) patients on FPE-CMR and in 24 (48%) patients on DE-CMR (P = ns). At follow-up, persisting hypoenhancement was observed in ten (20%) patients on FPE-CMR, whereas two (4%) patients showed persisting hypoenhancement on DE-CMR (P<0.05). Wall thinning was present in 4 (8%) patients at baseline and in 20 (40%) patients at follow-up. Edema had high sensitivity (96%), specificity (98%), and accuracy (97%) to differentiate between AMI and CMI. Accuracy of all other imaging findings was lower compared to that of edema (P<0.001). In the presence of infarction on DE-CMR, T2w-CMR reliably differentiates between AMI and CMI. |
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Authors:
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Alexander Stork; Kai Muellerleile; Paul M Bansmann; Joachim Graessner; Michael Kaul; Joern Kemper; Gerhard Adam; Gunnar K Lund |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2006-12-06 |
Journal Detail:
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Title: European radiology Volume: 17 ISSN: 0938-7994 ISO Abbreviation: Eur Radiol Publication Date: 2007 Mar |
Date Detail:
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Created Date: 2007-02-13 Completed Date: 2007-05-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9114774 Medline TA: Eur Radiol Country: Germany |
Other Details:
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Languages: eng Pagination: 610-7 Citation Subset: IM |
Affiliation:
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Department of Diagnostic and Interventional Radiology, University Hospital Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany. astork@uke.uni-hamburg.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acute Disease Adult Aged Chronic Disease Diagnosis, Differential Edema / radiography* Female Humans Magnetic Resonance Angiography* Male Middle Aged Myocardial Infarction / radiography* Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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