| Three-dimensional echocardiography for quantitative analysis of left-ventricular aneurysm. | |
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MedLine Citation:
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PMID: 19765069 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Quantitative analysis of left-ventricular (LV) aneurysms after myocardial infarction is prognostically relevant and assists in planning surgery. Three-dimensional (3D) echocardiography facilitates clear visualization of cardiac anatomy and accurate assessment of functional parameters. The aim of the present study was to determine the ability of 3D echocardiography to quantify LV aneurysms. METHODS: Ten patients with a known LV-aneurysm after myocardial infarction underwent 3D echocardiography and cardiac magnetic resonance (CMR) imaging at 1.5 Tesla within 3 days. For 3D echocardiography, a multiplanar transesophageal examination was performed with full LV coverage and the 3D dataset was analyzed offline. The LV-aneurysm was defined by a wall thickness <5 mm. The following quantitative parameters were determined: left ventricular end-diastolic and end-systolic volumes, LV myocardial mass (LV-mass) and mass of the LV-aneurysm. LV ejection fraction and percentage of aneurysm mass (%-aneurysm) were calculated. RESULTS: LV volumes and ejection fraction showed a strong correlation between 3D echocardiography and CMR (r = 0.94-0.97; P < 0.01). Importantly, the mass and percentage of mass of the LV-aneurysm demonstrated a high correlation as well (r = 0.94 and r = 0.86, respectively; P < 0.01). For all parameters, the calculated bias between both methods was found to be minimal (0.8-7.6%). CONCLUSIONS: Three-dimensional echocardiography proved to be a reliable tool for quantitative analysis of LV volumes, ejection fraction and aneurysm size in patients with prior myocardial infarction. In addition, 3D visualization of the complex cardiac anatomy in patients with LV-aneurysm may assist surgical procedure planning. |
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Authors:
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Cosima Jahnke; Daniela Foell; Gudrun Heinrichs; Bernd Jung; Thorsten Bley; Michael Handke; Christophe Bode; Annette Geibel |
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Publication Detail:
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Type: Journal Article Date: 2009-09-18 |
Journal Detail:
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Title: Echocardiography (Mount Kisco, N.Y.) Volume: 27 ISSN: 1540-8175 ISO Abbreviation: Echocardiography Publication Date: 2010 Jan |
Date Detail:
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Created Date: 2010-04-12 Completed Date: 2010-07-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8511187 Medline TA: Echocardiography Country: United States |
Other Details:
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Languages: eng Pagination: 64-8 Citation Subset: IM |
Affiliation:
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Department of Internal Medicine III, Cardiology and Angiology, University of Freiburg, Baden-Württemberg, Germany. jahnke@dhzb.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aneurysm / etiology*, ultrasonography* Echocardiography, Three-Dimensional / methods* Female Humans Male Middle Aged Myocardial Infarction / complications*, ultrasonography* Reproducibility of Results Sensitivity and Specificity Ventricular Dysfunction, Left / etiology*, ultrasonography* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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