| Acute myocarditis: diagnostic value of contrast-enhanced cine steady-state free precession MRI sequences. | |
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MedLine Citation:
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PMID: 22021499 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: MRI has become the primary tool for assessment of myocardial inflammation in patients with suspected acute myocarditis. Optimal diagnostic performance is achieved with late gadolinium-enhanced sequences, but cine balanced steady-state free precession (SSFP) MRI sequences are routinely used to evaluate cardiac function. Our aim was to prospectively assess the diagnostic value of unenhanced and contrast-enhanced cine SSFP MRI sequences in comparison with late gadolinium-enhanced sequences for imaging of patients with strong evidence of acute myocarditis. SUBJECTS AND METHODS: Eighteen patients with strong evidence of acute myocarditis underwent 1.5-T cardiac MRI. Unenhanced and contrast-enhanced cine SSFP images and late gadolinium-enhanced images were obtained. The images were analyzed both qualitatively and quantitatively. Data were analyzed with analysis of variance and the Bonferroni test or paired Student t test. RESULTS: Areas of high signal intensity were detected in 28% (5/18), 94% (17/18), and 89% (16/18) of patients on unenhanced cine, contrast-enhanced cine, and late gadolinium-enhanced images. In one patient, contrast-enhanced cine images revealed subepicardial areas of high signal intensity that were not visible on late gadolinium-enhanced images. The location and transmural nature of involved segments matched on contrast-enhanced cine and late gadolinium-enhanced images (both, r = 0.91, p < 0.0001). The contrast-to-noise ratio was significantly higher on contrast-enhanced cine images than on late gadolinium-enhanced images (p < 0.05). CONCLUSION: Contrast-enhanced cine MRI is a valuable tool for detection of lesions of acute myocarditis and should be recommended for routine clinical MRI. |
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Authors:
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Jean-François Deux; Mezri Maatouk; Pascal Lim; Alexandre Vignaud; Julie Mayer; Pascal Gueret; Alain Rahmouni |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: AJR. American journal of roentgenology Volume: 197 ISSN: 1546-3141 ISO Abbreviation: AJR Am J Roentgenol Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-10-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7708173 Medline TA: AJR Am J Roentgenol Country: United States |
Other Details:
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Languages: eng Pagination: 1081-7 Citation Subset: AIM; IM |
Affiliation:
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Radiology Department, Henri Mondor Hospital, Assistance Publique-Hôpitaux de Paris, University Paris Est, Créteil, F-94010, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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