Published in Circulation on November 01, 1989
Mechanism of decrease in mitral regurgitation after cardiac resynchronization therapy: optimization of the force-balance relationship. Circ Cardiovasc Imaging (2009) 1.52
Effects of abnormal activation on the time course of the left ventricular pressure pulse in dilated cardiomyopathy. Br Heart J (1992) 1.31
Differing effects of right ventricular pacing and left bundle branch block on left ventricular function. Br Heart J (1993) 1.16
Biventricular pacing in end-stage heart failure improves functional capacity and left ventricular function. J Interv Card Electrophysiol (2000) 1.15
The utility of fragmented QRS complexes to predict significant intraventricular dyssynchrony in nonischemic dilated cardiomyopathy patients with a narrow QRS interval. Can J Cardiol (2009) 0.93
Quantitative assessment of the pressure and volume overloaded right ventricle: imaging is a real challenge. Int J Cardiovasc Imaging (2002) 0.92
A novel left heart simulator for the multi-modality characterization of native mitral valve geometry and fluid mechanics. Ann Biomed Eng (2012) 0.90
Dynamic assessment of mitral annular force profile in an ovine model. Ann Thorac Surg (2012) 0.87
Noninvasive assessment of left ventricular contractility in pediatric patients using the maximum rate of pressure rise in peripheral arteries. Heart Vessels (2011) 0.86
Preload-adjusted maximal power: a novel index of left ventricular contractility in atrial fibrillation. Heart (2002) 0.85
Atrioventricular and interventricular delay optimization in cardiac resynchronization therapy: physiological principles and overview of available methods. Heart Fail Rev (2011) 0.84
Time constants of cardiac function and their calculations. Open Cardiovasc Med J (2010) 0.81
Hemodynamic mechanisms underlying prolonged post-faint hypotension. Clin Auton Res (2011) 0.80
Echocardiographic assessment of left ventricular systolic function: from ejection fraction to torsion. Heart Fail Rev (2016) 0.79
Cardiac resynchronization therapy is effective even in elderly patients with comorbidities. J Interv Card Electrophysiol (2009) 0.78
The influence of atorvastatin on parameters of inflammation left ventricular function, hospitalizations and mortality in patients with dilated cardiomyopathy--5-year follow-up. Lipids Health Dis (2013) 0.76
Arterial dP/dtmax accurately reflects left ventricular contractility during shock when adequate vascular filling is achieved. BMC Cardiovasc Disord (2012) 0.76
Symmetry of cardiac function assessment. J Geriatr Cardiol (2016) 0.75
Clinical Evaluation of Heart Failure: Agreement among Tests. PLoS One (2016) 0.75
A new method for estimating left ventricular dP/dt by continuous wave Doppler echocardiography. Circulation (1990) 0.75
Doppler reconstruction of left ventricular pressure from functional mitral regurgitation: potential importance of varying orifice geometry. Br Heart J (1995) 0.75
[Improved identification of suitable patients for cardiac resynchronization therapy by transthoracic echocardiography]. Herzschrittmacherther Elektrophysiol (2005) 0.75
Non-invasive measuring of the acceleration of contraction of the left ventricle with the Doppler echocardiography. Wien Klin Wochenschr (2015) 0.75
Significance of circulating hepatocyte growth factor in protein-losing enteropathy after Fontan operation. Pediatr Cardiol (2011) 0.75
Additional hemodynamic measurements with an esophageal Doppler monitor: a preliminary report of compliance, force, kinetic energy, and afterload in the clinical setting. J Clin Monit Comput (2012) 0.75
Use of tissue Doppler echocardiography in early detection of left ventricular systolic dysfunction in patients with mitral regurgitation. Int J Cardiovasc Imaging (2003) 0.75
Recommendations regarding quantitation in M-mode echocardiography: results of a survey of echocardiographic measurements. Circulation (1978) 20.37
Independent and additive prognostic value of right ventricular systolic function and pulmonary artery pressure in patients with chronic heart failure. J Am Coll Cardiol (2001) 4.07
Report of the American Society of Echocardiography Committee on Nomenclature and Standards in Two-dimensional Echocardiography. Circulation (1980) 3.87
Quantitative real-time cross-sectional echocardiography in the developing normal humam fetus and newborn. Circulation (1980) 1.97
Prognostic usefulness of the tricuspid annular plane systolic excursion in patients with congestive heart failure secondary to idiopathic or ischemic dilated cardiomyopathy. Am J Cardiol (2000) 1.86
Assessment of mitral regurgitation. Heart (2002) 1.81
Noninvasive prediction of transvalvular pressure gradient in patients with pulmonary stenosis by quantitative two-dimensional echocardiographic Doppler studies. Circulation (1983) 1.73
Evaluation of pulmonary and systemic blood flow by 2-dimensional Doppler echocardiography using fast Fourier transform spectral analysis. Am J Cardiol (1982) 1.72
A new method for noninvasive estimation of ventricular septal defect shunt flow by Doppler color flow mapping: imaging of the laminar flow convergence region on the left septal surface. J Am Coll Cardiol (1991) 1.62
Real-time cross-sectional echocardiographic imaging and measurement of the patent ductus arteriosus in infants and children. Circulation (1978) 1.61
Verification and clinical demonstration of the echo Doppler series effect and vortex shed distance. Circulation (1981) 1.60
The mitral valve orifice method for noninvasive two-dimensional echo Doppler determinations of cardiac output. Circulation (1983) 1.48
Guidelines for transesophageal echocardiography in children. J Am Soc Echocardiogr (1993) 1.45
Antenatal diagnosis of coarctation of the aorta: a multicenter experience. J Am Coll Cardiol (1994) 1.35
Echocardiographic detection of large left to right shunts and cardiomyopathies in infants and children. Am J Cardiol (1976) 1.34
Analysis of ventricular shape by echocardiography in normal fetuses, newborns, and infants. Circulation (1983) 1.32
Multiple crystal cross-sectional echocardiography in the diagnosis of cyanotic congenital heart disease. Circulation (1974) 1.31
Value of right ventricular ejection fraction in predicting short-term prognosis of patients with severe chronic heart failure. J Heart Lung Transplant (1997) 1.30
Cross-sectional echocardiographic diagnosis of the sites of total anomalous pulmonary venous drainage. Circulation (1979) 1.29
The effect of variations of pulsed Doppler sampling site on calculation of cardiac output: an experimental study in open-chest dogs. Circulation (1983) 1.28
The asymmetrically hypertrophied septum. Further differentiation of its causes. Circulation (1976) 1.27
In utero pulmonary artery and aortic growth and potential for progression of pulmonary outflow tract obstruction in tetralogy of Fallot. J Am Coll Cardiol (1995) 1.26
Qualitative real-time cross-sectional echocardiographic imaging of the human fetus during the second half of pregnancy. Circulation (1980) 1.26
Real-time two-dimensional Doppler echocardiographic flow mapping. Circulation (1985) 1.25
A new method for quantitation of mitral regurgitation based on color flow Doppler imaging of flow convergence proximal to regurgitant orifice. Circulation (1991) 1.23
Elucidation of the natural history of ventricular septal defects by serial Doppler color flow mapping studies. J Am Coll Cardiol (1989) 1.21
Coronary arterial spasm as a cause of exercise-induced ST-segment elevation in patients with variant angina. Circulation (1979) 1.20
Echocardiographic detection of intracardiac right-to-left shunts following peripheral vein injections. Circulation (1976) 1.17
Cardiac Doppler flow velocities in human fetuses. Circulation (1986) 1.17
Doppler color flow mapping of simulated in vitro regurgitant jets: evaluation of the effects of orifice size and hemodynamic variables. J Am Coll Cardiol (1989) 1.16
Schönlein-Henoch syndrome: observations on some atypical clinical presentations. Pediatrics (1972) 1.15
Coronary atherosclerotic plaques with and without thrombus in ischemic heart syndromes: a morphologic, immunohistochemical, and biochemical study. Am J Cardiol (1991) 1.15
Specificity and accuracy of echocardiographic and clinical criteria for diagnosis of patent ductus arteriosus in fluid-restricted infants. J Pediatr (1981) 1.14
Ultrasound evaluation of systolic anterior septal motion in patients with and without right ventricular volume overload. Circulation (1974) 1.13
Use of tissue velocity imaging in the diagnosis of fetal cardiac arrhythmias. Circulation (2002) 1.11
Echocardiographic study of the morphology and growth of the aortic arch in the human fetus. Observations related to the prenatal diagnosis of coarctation. Circulation (1992) 1.11
A new method for quantification of regurgitant flow rate using color Doppler flow imaging of the flow convergence region proximal to a discrete orifice. An in vitro study. Circulation (1991) 1.10
Subxiphoid cross-sectional echocardiography in infants and children with congenital heart disease. Circulation (1979) 1.09
Normal intracardiac and great vessel Doppler flow velocities in infants and children. J Am Coll Cardiol (1984) 1.08
Tricuspid valve disease with significant tricuspid insufficiency in the fetus: diagnosis and outcome. J Am Coll Cardiol (1991) 1.08
Pediatric transesophageal echocardiography. Present and future. Anesthesiology (1992) 1.06
Risk factors for renal dysfunction after coronary surgery: the role of cardiopulmonary bypass technique. Perfusion (1994) 1.05
Acute and follow-up intravascular ultrasound findings after balloon dilation of coarctation of the aorta. Circulation (1994) 1.03
Prediction of the severity of left ventricular outflow tract obstruction by quantitative two-dimensional echocardiographic Doppler studies. Circulation (1983) 1.03
Suprasternal notch echocardiography. Assessment of its clinical utility in pediatric cardiology. Circulation (1977) 1.02
Current status of flow convergence for clinical applications: is it a leaning tower of "PISA"? J Am Coll Cardiol (1996) 1.02
Task force 4: organization of delivery systems for adults with congenital heart disease. J Am Coll Cardiol (2001) 1.02
Prenatal detection of restrictive foramen ovale. J Am Soc Echocardiogr (1990) 1.01
Physiological valvular regurgitation. Doppler echocardiography and the potential for iatrogenic heart disease. Circulation (1988) 1.00
Color Doppler flow mapping in patients with coarctation of the aorta: new observations and improved evaluation with color flow diameter and proximal acceleration as predictors of severity. Circulation (1988) 1.00
A quantitative echocardiographic study of champion childhood swimmers. Circulation (1977) 1.00
Flow convergence flow rates from 3-dimensional reconstruction of color Doppler flow maps for computing transvalvular regurgitant flows without geometric assumptions: An in vitro quantitative flow study. J Am Soc Echocardiogr (1999) 1.00
The validity of structure identification for cross-sectional echocardiography. J Clin Ultrasound (1974) 0.99
Real-time cross-sectional echocardiographic diagnosis of coarctation of the aorta: a prospective study of echocardiographic-angiographic correlations. Circulation (1977) 0.99
Intravascular ultrasound assessment of regional aortic wall stiffness, distensibility, and compliance in patients with coarctation of the aorta. Am Heart J (1997) 0.99
Use of echocardiography in newborns with patent ductus arteriosus: a review. Pediatr Cardiol (1982) 0.98
Reversed shunting across the ductus arteriosus or atrial septum in utero heralds severe congenital heart disease. J Am Coll Cardiol (1996) 0.98
Holter monitoring in AL amyloidosis: prognostic implications. Pacing Clin Electrophysiol (2001) 0.98
Two-dimensional echocardiography and B-mode ultrasonography for the diagnosis of loculated pericardial effusion. Circulation (1979) 0.98
Noninvasive assessment of surgical systemic to pulmonary artery shunts by range-gated pulsed Doppler echocardiography. J Pediatr (1979) 0.98
Accuracy of Doppler methods for estimating peak-to-peak and peak instantaneous gradients across coarctation of the aorta: An In vitro study. J Am Soc Echocardiogr (1999) 0.98
Influence of the Coanda effect on color Doppler jet area and color encoding. In vitro studies using color Doppler flow mapping. Circulation (1992) 0.97
Real-time Doppler color flow mapping for detection of patent ductus arteriosus. J Am Coll Cardiol (1986) 0.97
Ultrasonic imaging of the coronary arteries in open-chest humans: evaluation of coronary atherosclerotic lesions during cardiac surgery. Circulation (1982) 0.96
A Doppler echocardiographic method for calculating volume flow across the tricuspid valve: correlative laboratory and clinical studies. Circulation (1985) 0.96
Ultrasound cardiac diagnosis. Pediatr Clin North Am (1978) 0.96
Congenital coronary artery anomalies: the pediatric perspective. Coron Artery Dis (2001) 0.96
Spatial velocity distribution and acceleration in serial subvalve tunnel and valvular obstructions: an in vitro study using Doppler color flow mapping. J Am Coll Cardiol (1989) 0.96
Three-dimensional reconstruction of color Doppler flow convergence regions and regurgitant jets: an in vitro quantitative study. J Am Coll Cardiol (1996) 0.95
Accuracy of two-dimensional echocardiography in the detection of aneurysms of the ventricular septum. Am Heart J (1981) 0.95
Doppler studies of vena cava flows in human fetuses. Insights into normal and abnormal cardiac physiology. Circulation (1990) 0.95
A pulsed Doppler echocardiographic method for calculation of pulmonary and systemic flow: accuracy in a canine model with ventricular septal defect. Circulation (1983) 0.95
Mitral valve prolapse in children: a problem defined by real-time cross-sectional echocardiography. Circulation (1976) 0.95
Effects of nifedipine on coronary hemodynamic findings during exercise in patients with stable exertional angina. Circulation (1983) 0.95
Real-time three-dimensional echocardiography for determining right ventricular stroke volume in an animal model of chronic right ventricular volume overload. Circulation (1998) 0.94
Doppler echocardiographic studies of diastolic function in the human fetal heart: changes during gestation. J Am Coll Cardiol (1986) 0.93