Search Results - "ZOGHBI, W. A"

Doppler Tissue Imaging: A Noninvasive Technique for Evaluation of Left Ventricular Relaxation and Estimation of Filling Pressures by Nagueh, Sherif F, Middleton, Katherine J, Kopelen, Helen A, Zoghbi, William A, Quiñones, Miguel A

“…Objectives. This investigation was designed 1) to assess whether the early diastolic velocity of the mitral annulus (Ea) obtained with Doppler tissue imaging…”
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Doppler estimation of left ventricular filling pressure in sinus tachycardia : A new application of tissue Doppler imaging by NAGUEH, S. F, MIKATI, I, KOPELEN, H. A, MIDDLETON, K. J, QUINONES, M. A, ZOGHBI, W. A

“…Doppler echocardiography is frequently used to predict filling pressures in normal sinus rhythm, but it is unknown whether it can be applied in sinus…”
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Doppler estimation of left ventricular filling pressures in patients with hypertrophic cardiomyopathy by NAGUEH, S. F, LAKKIS, N. M, MIDDLETON, K. J, SPENCER, W. H, ZOGHBI, W. A, QUINONES, M. A

“…Conventional Doppler parameters are unreliable for estimating left ventricular (LV) filling pressures in hypertrophic cardiomyopathy (HCM). This study was…”
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Desmin mutation responsible for idiopathic dilated cardiomyopathy by DUANXIANG LI, TAPSCOFT, T, GONZALEZ, O, BURCH, P. E, QUINONES, M. A, ZOGHBI, W. A, HILL, R, BACHINSKI, L. L, MANN, D. L, ROBERTS, R

“…Idiopathic dilated cardiomyopathy, of which approximately 20% of cases are familial (FDCM), is a primary myocardial disorder characterized by ventricular…”
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Estimation of mean right atrial pressure using tissue Doppler imaging by Nageh, Maged F, Kopelen, Helen A, Zoghbi, William A, Quiñones, Miguel A, Nagueh, Sherif F

“…Sixty-two patients underwent simultaneous right atrial pressure measurement and Doppler echo including tissue Doppler to evaluate the utility of this technique…”
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Myocardial viability during dobutamine echocardiography predicts survival in patients with coronary artery disease and severe left ventricular systolic dysfunction by Afridi, Imran, Grayburn, Paul A, Panza, Julio A, Oh, Jae K, Zoghbi, William A, Marwick, Thomas H

“…Objectives. The purpose of this study was to assess whether the presence or absence of myocardial viability during dobutamine echocardiography (DE) predicts…”
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Dobutamine echocardiography in myocardial hibernation : optimal dose and accuracy in predicting recovery of ventricular function after coronary angioplasty by AFRIDI, I, KLEIMAN, N. S, RAIZNER, A. E, ZOGHBI, W. A

“…Myocardial hibernation is a condition of chronic left ventricular dysfunction associated with severe coronary artery disease whereby significant recovery of…”
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Differentiating thrombus from pannus formation in obstructed mechanical prosthetic valves: an evaluation of clinical, transthoracic and transesophageal echocardiographic parameters by Barbetseas, John, Nagueh, Sherif F, Pitsavos, Christos, Toutouzas, Pavlos K, Quiñones, Miguel A, Zoghbi, William A

“…Objectives. We sought to determine the clinical and echocardiographic parameters that differentiate thrombus from pannus formation as the etiology of…”
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Estimation of left and right ventricular filling pressures after heart transplantation by tissue Doppler imaging by Sundereswaran, Lalitha, Nagueh, Sherif F., Vardan, Sandeep, Middleton, Katherine J., Zoghbi, William A., Quiñones, Miguel A., Torre-Amione, Guillermo

“…Current Doppler methods have been unreliable in estimating filling pressures in heart transplants. Tissue Doppler imaging is a technique that permits…”
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Relation of mean right atrial pressure to echocardiographic and Doppler parameters of right atrial and right ventricular function by NAGUEH, S. F, KOPELEN, H. A, ZOGHBI, W. A

“…A paucity of data exists as to the relation of mean right atrial pressure (RAP) to Doppler parameters of right atrial and ventricular filling. Furthermore,…”
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Identification of Hibernating Myocardium: Comparative Accuracy of Myocardial Contrast Echocardiography, Rest-Redistribution Thallium-201 Tomography and Dobutamine Echocardiography by Nagueh, Sherif F, Vaduganathan, Periyanan, Ali, Nadir, Blaustein, Alvin, Verani, Mario S, Winters, William L, Zoghbi, William A

“…Objectives. We sought to evaluate the comparative accuracy of myocardial contrast echocardiography (MCE), quantitative rest-redistribution thallium-201…”
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Supine bicycle versus post–treadmill exercise echocardiography in the detection of myocardial ischemia: a randomized single-blind crossover trial by Badruddin, Shamim M, Ahmad, Anwar, Mickelson, Judith, Abukhalil, John, Winters, William L, Nagueh, Sherif F, Zoghbi, William A

“…OBJECTIVES We sought to determine the comparative accuracy of supine bicycle exercise echocardiography (SBE) and posttreadmill exercise echocardiography (TME)…”
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Novel parameters of global and regional mitral annulus geometry in man: comparison between normals and organic mitral regurgitation, before and after mitral valve repair by Ben Zekry, S, Jain, S, Alexander, S K, Li, Y, Aggarwal, A, Jajoo, A, Little, S H, Lawrie, G M, Azencott, R, Zoghbi, W A

“…The mitral annulus (MA) saddle shape is complex but vital for a normal functioning mitral apparatus. Although conventional parameters of MA geometry such as…”
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Role of myocardial contrast echocardiography during nonsurgical septal reduction therapy for hypertrophic obstructive cardiomyopathy by Nagueh, Sherif F, Lakkis, Nasser M, He, Zuo-Xiang, Middleton, Katherine J, Killip, Donna, Zoghbi, William A, Quiñones, Miguel A, Roberts, Robert, Verani, Mario S, Kleiman, Neal S, Spencer, William H

“…Objectives. This study was undertaken to evaluate the ability of myocardial contrast echocardiography (MCE) to guide the targeted delivery of ethanol during…”
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Changes in left ventricular filling and left atrial function six months after nonsurgical septal reduction therapy for hypertrophic obstructive cardiomyopathy by Nagueh, Sherif F, Lakkis, Nasser M, Middleton, Katherine J, Killip, Donna, Zoghbi, William A, Quiñones, Miguel A, Spencer, William H

“…OBJECTIVES The purpose of this study was to evaluate changes in left ventricular (LV) filling, left atrial (LA) volumes and function six months after…”
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Relation of the contractile reserve of hibernating myocardium to myocardial structure in humans by NAGUEH, S. F, MIKATI, I, ESPADA, R, VERANI, M. S, ZOGHBI, W. A, WEILBAECHER, D, REARDON, M. J, AL-ZAGHRINI, G. J, CACELA, D, HE, Z.-X, LETSOU, G, NOON, G, HOWELL, J. F

“…Although dobutamine echocardiography (DE) is widely used to assess myocardial viability in humans, little is known about the relation between contractile…”
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Pathologic Correlates of Aortic Plaques, Thrombi and Mobile “Aortic Debris” Imaged In Vivo With Transesophageal Echocardiography by Vaduganathan, Periyanan, Ewton, April, Nagueh, Sherif F, Weilbaecher, Donald G, Safi, Hazim J, Zoghbi, William A

“…Objectives. This study sought to evaluate the pathologic correlates of aortic atheromas, thrombi and mobile “aortic debris” imaged in vivo by transesophageal…”
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Accurate noninvasive quantification of stenotic aortic valve area by doppler echocardiography by ZOGHBI, W. A, FARMER, K. L, SOTO, R. D. M. S, NELSON, J. G, QUINONES, M. A

“…Laminar flow through a conduit is equal to the mean velocity times the cross-sectional area of the orifice. Therefore, volume is equal to the time-velocity…”
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Changes in left ventricular diastolic function 6 months after nonsurgical septal reduction therapy for hypertrophic obstructive cardiomyopathy by NAGUEH, S. F, LAKKIS, N. M, MIDDLETON, K. J, KILLIP, D, ZOGHBI, W. A, QUINONES, M. A, SPENCER, W. H

“…Nonsurgical septal reduction therapy (NSRT) decreases left ventricular outflow tract (LVOT) gradient and improves symptoms in patients with hypertrophic…”
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Determination of parameters of left ventricular diastolic filling with pulsed doppler echocardiography: comparison with cineangiography by ROKEY, R, KUO, L. C, ZOGHBI, W. A, LIMACHER, M. C, QUINONES, M. A

“…To determine the relationship between Doppler-derived flow velocity through the mitral anulus and angiographic parameters of left ventricular filling, 30…”
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