| Clinical utility of single-beat E/e' obtained by simultaneous recording of flow and tissue Doppler velocities in atrial fibrillation with preserved systolic function. | |
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MedLine Citation:
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PMID: 19833302 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: We evaluated the usefulness of the ratio of the early diastolic transmitral flow velocity (E) to the mitral annular velocity (e') calculated from simultaneously recorded E and e' in atrial fibrillation (AF). BACKGROUND: The ratio of the E to the e' (E/e') has been reported as a useful index even in AF patients. However, E and e' were measured during different beats in the previous studies. METHODS: Fifty-six AF patients with preserved systolic function (mean age 66 +/- 11 years) underwent routine echocardiographic study. The E/e' was calculated from the E and e' simultaneously recorded by the dual Doppler echocardiography. A single-beat E/e' was calculated from simultaneously recorded E and e' when the preceding RR interval/pre-preceding RR interval = 1. Brain natriuretic peptide (BNP) levels were also examined. Twenty-one patients underwent simultaneous pulmonary artery catheterization. RESULTS: The single-beat lateral E/e' correlated with pulmonary capillary wedge pressure (PCWP) (r = 0.74, p < 0.001). The single-beat lateral E/e' of >or=11 could predict elevated PCWP (>or=15 mm Hg) with a sensitivity of 90% and a specificity of 90%. The single-beat lateral E/e' also correlated well with the log BNP concentration. The single-beat lateral E/e' of >or=9.2 predicted a plasma BNP level of >or=200 pg/ml with 88% sensitivity and 84% specificity. CONCLUSIONS: The single-beat lateral E/e' correlated with plasma BNP level and PCWP in AF patients with preserved systolic function. In addition, the single-beat lateral E/e' (>or=11) was a good predictor of elevated PCWP (>or=15 mm Hg). Dual Doppler echocardiography offers an advantage of providing the single-beat lateral E/e' correctly even in AF patients, for the evaluation of left ventricular diastolic function. |
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Authors:
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Kenya Kusunose; Hirotsugu Yamada; Susumu Nishio; Noriko Tomita; Toshiyuki Niki; Koji Yamaguchi; Kunihiko Koshiba; Shusuke Yagi; Yoshio Taketani; Takashi Iwase; Takeshi Soeki; Tetsuzo Wakatsuki; Masashi Akaike; Masataka Sata |
Publication Detail:
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Type: Evaluation Studies; Journal Article |
Journal Detail:
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Title: JACC. Cardiovascular imaging Volume: 2 ISSN: 1876-7591 ISO Abbreviation: JACC Cardiovasc Imaging Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2009-10-16 Completed Date: 2010-01-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101467978 Medline TA: JACC Cardiovasc Imaging Country: United States |
Other Details:
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Languages: eng Pagination: 1147-56 Citation Subset: IM |
Affiliation:
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Department of Cardiovascular Medicine, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Atrial Fibrillation / physiopathology, ultrasonography* Biological Markers / blood Catheterization, Swan-Ganz Coronary Circulation* Diastole Echocardiography, Doppler, Color* Echocardiography, Doppler, Pulsed* Female Heart Rate Humans Linear Models Male Middle Aged Mitral Valve / physiopathology, ultrasonography* Natriuretic Peptide, Brain / blood Predictive Value of Tests Pulmonary Wedge Pressure Sensitivity and Specificity Systole Ventricular Function, Left* |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 114471-18-0/Natriuretic Peptide, Brain |
| Comments/Corrections | |
Comment In:
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JACC Cardiovasc Imaging. 2009 Oct;2(10):1157-8
[PMID:
19833303
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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