Doppler Estimation of Left Ventricular Filling Pressure in Sinus Tachycardia

Nagueh, Sherif F.; Mikati, Issam; Kopelen, Helen A.; Middleton, Katherine J.; Quiñones, Miguel Á.; Zoghbi, William A.

doi:10.1161/01.cir.98.16.1644

Cited by 524 publications

(89 citation statements)

References 24 publications

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“…1 TDI was performed in the PW mode to record mitral annular velocities at the septal, lateral, inferior, and anterior areas. [7][8][9] Studies were recorded for later analysis.…”

Section: Echocardiographic Studiesmentioning

confidence: 99%

Doppler Estimation of Left Ventricular Filling Pressures in Patients With Mitral Valve Disease

et al. 2005

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Background-Conventional Doppler measurements have limitations in the prediction of left atrial pressure (LAP) in patients with mitral valve disease (MVD), given the confounding effect of valve area, left ventricular (LV) relaxation, and stiffness. However, the time interval between the onset of early diastolic mitral inflow velocity (E) and annular early diastolic velocity (Ea) by tissue Doppler imaging (TDI), T EϪEa , which is well related to the time constant of LV relaxation () in canine and clinical studies, is not subject to these variables. We therefore undertook this study to test its usefulness in a patient population. Methods and Results-Two-dimensional Doppler and TDI echocardiography were performed simultaneously with right-heart catheterization in 51 consecutive patients (meanϮSD age, 64Ϯ11 years) with MVD: 35 with moderately severe to severe mitral regurgitation (MR) and 16 with moderate to severe mitral stenosis (MS). Among several Doppler measurements, only the mitral E/A ratio, isovolumetric relaxation time (IVRT), and pulmonary venous Ar duration had significant relations with mean pulmonary capillary wedge pressure (PCWP).

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“…1 TDI was performed in the PW mode to record mitral annular velocities at the septal, lateral, inferior, and anterior areas. [7][8][9] Studies were recorded for later analysis.…”

Section: Echocardiographic Studiesmentioning

confidence: 99%

Doppler Estimation of Left Ventricular Filling Pressures in Patients With Mitral Valve Disease

et al. 2005

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“…A combination of Doppler indices can be used to estimate intracardiac pressures [23, 112, 113, 114]. The ratio of peak E velocity of transmitral/transtricuspid flow and E m velocity of mitral/tricuspid annular motion can be used to estimate mean pulmonary artery wedge pressure and mean right atrial pressure in patients with various cardiovascular disorders (with both impaired and preserved LV systolic function).…”

Section: Other Applications Of Tdimentioning

confidence: 99%

Application of Tissue Doppler Imaging in Cardiology

Nikitin

Witte²

2004

Cardiology

122

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Tissue Doppler imaging (TDI) is a new echocardiographic technique employing the Doppler principle to measure the velocity of myocardial segments and other cardiac structures. It is well suited for the measurement of long-axis ventricular function. Impairment of longitudinal myocardial fiber motion is a sensitive marker of early myocardial dysfunction and ischaemia, and TDI might therefore become an important tool in routine echocardiography. The technique allows truly quantitative measurement of regional myocardial function both at rest and during stress echocardiography. TDI has great potential in the diagnosis of diastolic left ventricular dysfunction, overcoming the load-dependence of conventional Doppler techniques. Right ventricular function, intracardiac and pulmonary artery pressures, transplant rejection and intraventricular dyssynchrony can also be assessed. This article reviews the current and evolving applications of TDI in cardiology.

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“…However, in the presence of impaired LV relaxation, fi lling pressures have a minimal effect on Ea. 35,36,42 Accordingly, the E/Ea ratio ( Figures 13.6 and 13.7) has been successfully used for the estimation of LV fi lling pressures 34,39,44 in the presence of cardiac disease whether EF was normal or depressed, in the presence of sinus tachycardia 45 or atrial fi brillation, 46 in cardiac transplant patients, 47 and in patients with hypertrophic cardiomyopathy. 48 Figures 13.8 and 13.9 show examples of the E/Ea ratio being used for the estimation of LV fi lling pressures.…”

Section: Early Diastolic Mitral Annulus Velocity By Tissue Doppler Ecmentioning

confidence: 99%

“…However, the most accurate prediction is reached when annular Ea velocity is measured (see Figure 13.13) and the E/Ea ratio is used. 45 Worth noting is that in situations in which there is complete merging of mitral E and A velocities, it is still possible to detect a distinct annular Ea and to use the E/Ea ratio. , 45 with permission of the American Heart Association.)…”

Section: Doppler Estimation Of Filling Pressures In Sinus Tachycardiamentioning

confidence: 99%

Noninvasive Estimation of Left Ventricular Filling Pressures

Nagueh

Diastolic Heart Failure

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Doppler Estimation of Left Ventricular Filling Pressure in Sinus Tachycardia

Abstract: The ratio of transmitral E velocity to Ea can be used to estimate PCWP with reasonable accuracy in sinus tachycardia, even with complete merging of E and A velocities.

Cited by 524 publications

References 24 publications

Doppler Estimation of Left Ventricular Filling Pressures in Patients With Mitral Valve Disease

Doppler Estimation of Left Ventricular Filling Pressures in Patients With Mitral Valve Disease

Application of Tissue Doppler Imaging in Cardiology

Noninvasive Estimation of Left Ventricular Filling Pressures

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