2001
DOI: 10.1253/jcj.65.953
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Evaluation of Left Atrial Function by the Functional Volume Change Curve Derived From Doppler Flow Spectra.

Abstract: eft atrial (LA) function can be evaluated by measuring pressure and volume, constructing the pressurevolume relationship and the dimensional changes of the LA can replace LA volume. 1-8 LA function has 3 components: reservoir, conduit and booster pump functions. 5,6,9,10 The reservoir function indicates the storage capacity for pulmonary venous (PV) return by LA distension during ventricular systole. During ventricular diastole, the LA works as a conduit for blood flow from the PV to the left ventricle (LV). T… Show more

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Cited by 12 publications
(5 citation statements)
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“…21 This study was supported by research grants from the Taipei Veterans General Hospital (V96C1-049, V97C1-059, V97A-097, V96A-127), National Scientific Council (NSC95-2314-B-010-017, NSC95-2314-B-010-025, NSC96-2314-B-010-006, NSC96-2628-B-010-036), and Research Foundation of Cardiovascular Medicine (RFCM 96-02-018).…”
Section: Acknowledgementmentioning
confidence: 99%
“…21 This study was supported by research grants from the Taipei Veterans General Hospital (V96C1-049, V97C1-059, V97A-097, V96A-127), National Scientific Council (NSC95-2314-B-010-017, NSC95-2314-B-010-025, NSC96-2314-B-010-006, NSC96-2628-B-010-036), and Research Foundation of Cardiovascular Medicine (RFCM 96-02-018).…”
Section: Acknowledgementmentioning
confidence: 99%
“…The left atrium plays as a booster pomp during late ventricular diastole, as a reservoir for the inflow volume received from pulmonary veins during ventricular systole and isovolumic relaxation, and as a passive conduit during early ventricular diastole and diastasis [ 1 , 2 ]. Although estimates of left atrial (LA) function can be obtained by two-dimensional echocardiography, Doppler analysis of transmitral and pulmonary vein flow, and Tissue Doppler (TD) assessment of LA myocardial velocities [ 3 - 5 ], quantification of effective LA function still remains a challenging issue. Assessment of atrial deformation profiles obtained using Doppler-derived strain imaging has been recently proposed as an alternative method of exploring LA function[ 6 ].…”
Section: Introductionmentioning
confidence: 99%
“…Evaluation of LA size and function can be obtained by two-dimensional echocardiography evaluation of LA antero-posterior diameter, area and volume, Doppler analysis of transmitral and pulmonary vein flow, and Tissue Doppler (TD) assessment of LA myocardial velocities [21 , [22] , [23] . The assessment of LA size provides prognostic information; however these parameters are morphometric and static.…”
Section: Speckle Tracking Echocardiography: Left Atrial Strainmentioning
confidence: 99%