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Left ventricular chamber dimensions and wall thickness by cardiovascular magnetic resonance: comparison with transthoracic echocardiography.
MedLine Citation:
PMID:  22815376     Owner:  NLM     Status:  Publisher    
AIMS: Cardiovascular magnetic resonance (CMR) is a reference standard imaging technique in assessment of cardiomyopathies due to the accurate measurement of cardiac volumes and mass. In clinical routine, transthoracic echocardiography (TTE) is the standard first-line technique and is commonly used for follow-up. In this study we examined how CMR-derived measurement of left ventricular (LV) chamber dimensions and wall thickness correspond to TTE. METHODS AND RESULTS: A total of 101 subjects underwent TTE and CMR (men, n = 67, mean age 62 ± 9 years) and formed a normal group (n = 44), a group with dilated LV cavity (n = 33; LV internal dimensions in end-diastole ≥ 52 mm) and a group with increased LV wall thickness (n = 24; interventricular septum ≥ 12 mm, inferolateral wall both in end-diastole ≥ 12 mm). Standard TTE measurements of LV chamber and wall thickness were compared to CMR-derived values in the basal short-axis slice and the 3-chamber (3-CH) view. Interstudy reproducibility for CMR was done in 23 subjects. In all groups, there was a better agreement between TTE and 3-CH for all dimensions. The intraobserver and interobserver agreements were superior for 3-CH view. In addition, both CMR approaches showed sound interstudy reproducibility for all dimensions and in all groups. CONCLUSION: We demonstrate a good agreement between CMR and TTE in LV chamber dimension and wall thickness measurements. We propose that with CMR using a 3-CH approach is superior in reproducibility and closer in concordance with TTE-derived values.
Valentina O Puntmann; Rolf Gebker; Simon Duckett; Jesus Mirelis; Bernhard Schnackenburg; Michael Graefe; Reza Razavi; Eckart Fleck; Eike Nagel
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-19
Journal Detail:
Title:  European heart journal cardiovascular Imaging     Volume:  -     ISSN:  2047-2412     ISO Abbreviation:  Eur Heart J Cardiovasc Imaging     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101573788     Medline TA:  Eur Heart J Cardiovasc Imaging     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Division of Imaging Sciences and Biomedical Engineering, King's College London, The Rayne Institute, 4th Floor Lambeth Wing, St. Thomas' Hospital Campus, London SE1 7EH, UK.
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