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- W2590495364 abstract "Guidelines for the valuation of valvular heart disease by echocardiography recommend the quantification of severity. For accurate quantification, it is necessary to assume the mitral annulus (MA) area to calculate mitral stroke volume (SV). We applied and preliminarily verified a new method to calculate the MA area. A Japanese man in his 60s without any abnormal cardiac findings including regurgitation in the aortic or mitral valve was simultaneously evaluated by a conventional and new method. The MA area was calculated by using a conventional method with an apical 4 chamber view (4CV) and apical 2 chamber view (2CV), and a new method with an apical commissure-commissure view (CCV) and apical 3 chamber view (3CV). Mitral SV was calculated from the MA area values by both methods and compared with left ventricular SV (LVSV) by using a modified Simpson method. MA areas estimated by the new method were smaller than that those estimated by the conventional method. Mitral SV estimated by the new method was closer to LVSV than that estimated by the conventional method. The new echocardiographic method to calculate an MA area with apical CCV and 3CV may be more exact and useful than the conventional method. The results in this case report suggest that further evaluation at a larger scale may yield promising results." @default.
- W2590495364 created "2017-03-03" @default.
- W2590495364 creator A5032624936 @default.
- W2590495364 date "2017-02-12" @default.
- W2590495364 modified "2023-10-16" @default.
- W2590495364 title "Verification of New Method for Stroke Volume Assessment by Echocardiography: Preliminary Study Report" @default.
- W2590495364 doi "https://doi.org/10.2174/9781681080239117010048" @default.
- W2590495364 hasPublicationYear "2017" @default.
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