Impact of left ventricular outflow tract ellipticity on the grading of aortic stenosis in patients with normal ejection fraction

[1]  B. Gerber,et al.  Prevalence and Prognostic Impact of Valve Area-Gradient Patterns in Patients ≥80 Years With Moderate-to-Severe Aortic Stenosis (from the Prospective BELFRAIL Study). , 2015, The American journal of cardiology.

[2]  F. Maes,et al.  Progression of Low-Gradient, Low-Flow, Severe Aortic Stenosis With Preserved Left Ventricular Ejection Fraction. , 2015, The American journal of cardiology.

[3]  Jeroen J. Bax,et al.  Low gradient severe aortic stenosis with preserved ejection fraction: reclassification of severity by fusion of Doppler and computed tomographic data. , 2015, European heart journal.

[4]  P. Pellikka,et al.  Development of paradoxical low-flow, low-gradient severe aortic stenosis , 2015, Heart.

[5]  C. Tribouilloy,et al.  Low-gradient, low-flow severe aortic stenosis with preserved left ventricular ejection fraction: characteristics, outcome, and implications for surgery. , 2015, Journal of the American College of Cardiology.

[6]  M. Dweck,et al.  Echocardiography Underestimates Stroke Volume and Aortic Valve Area: Implications for Patients With Small-Area Low-Gradient Aortic Stenosis , 2014, The Canadian journal of cardiology.

[7]  B. Gerber,et al.  Natural History of Paradoxical Low-Gradient Severe Aortic Stenosis , 2014, Circulation. Cardiovascular imaging.

[8]  P. Pibarot,et al.  The complex nature of discordant severe calcified aortic valve disease grading: new insights from combined Doppler echocardiographic and computed tomographic study. , 2013, Journal of the American College of Cardiology.

[9]  B. Gerber,et al.  Aortic Valve Area, Stroke Volume, Left Ventricular Hypertrophy, Remodeling, and Fibrosis in Aortic Stenosis Assessed by Cardiac Magnetic Resonance Imaging: Comparison Between High and Low Gradient and Normal and Low Flow Aortic Stenosis , 2013, Circulation. Cardiovascular imaging.

[10]  J. Hung,et al.  Differential left ventricular remodelling and longitudinal function distinguishes low flow from normal-flow preserved ejection fraction low-gradient severe aortic stenosis. , 2013, European heart journal.

[11]  B. Gerber,et al.  973Aortic valve area, stroke volume, left ventricular hypertrophy, remodeling and fibrosis in aortic stenosis assessed by cardiac MRI. Comparison between high and low gradient, and normal and low flow aortic stenosis , 2013 .

[12]  P. Pibarot,et al.  Stress echocardiography to assess stenosis severity and predict outcome in patients with paradoxical low-flow, low-gradient aortic stenosis and preserved LVEF. , 2013, JACC. Cardiovascular imaging.

[13]  P. Pibarot,et al.  Outcome of patients with aortic stenosis, small valve area, and low-flow, low-gradient despite preserved left ventricular ejection fraction. , 2012, Journal of the American College of Cardiology.

[14]  R. Rubinshtein,et al.  Three-dimensional imaging of the left ventricular outflow tract: impact on aortic valve area estimation by the continuity equation. , 2012, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

[15]  E. Donal,et al.  Clinical outcome in asymptomatic severe aortic stenosis: insights from the new proposed aortic stenosis grading classification. , 2012, Journal of the American College of Cardiology.

[16]  Erwan Donal,et al.  Low-Flow, Low-Gradient Severe Aortic Stenosis Despite Normal Ejection Fraction Is Associated With Severe Left Ventricular Dysfunction as Assessed by Speckle-Tracking Echocardiography: A Multicenter Study , 2012, Circulation. Cardiovascular imaging.

[17]  J. Chambers,et al.  Outcome of Patients With Low-Gradient “Severe” Aortic Stenosis and Preserved Ejection Fraction , 2011, Circulation.

[18]  F. Neumann,et al.  Inconsistent grading of aortic valve stenosis by current guidelines: haemodynamic studies in patients with apparently normal left ventricular function , 2010, Heart.

[19]  Jeroen J. Bax,et al.  Transcatheter aortic valve implantation: role of multi-detector row computed tomography to evaluate prosthesis positioning and deployment in relation to valve function. , 2010, European heart journal.

[20]  Fabien Hyafil,et al.  Multimodal assessment of the aortic annulus diameter: implications for transcatheter aortic valve implantation. , 2010, Journal of the American College of Cardiology.

[21]  Jeroen J. Bax,et al.  Comparison of Aortic Root Dimensions and Geometries Before and After Transcatheter Aortic Valve Implantation by 2- and 3-Dimensional Transesophageal Echocardiography and Multislice Computed Tomography , 2010, Circulation. Cardiovascular imaging.

[22]  B. Carabello,et al.  Paradoxical low flow and/or low gradient severe aortic stenosis despite preserved left ventricular ejection fraction: implications for diagnosis and treatment , 2009, European heart journal.

[23]  F. Neumann,et al.  Inconsistencies of echocardiographic criteria for the grading of aortic valve stenosis. , 2008, European heart journal.

[24]  Robert J Ostfeld,et al.  Demonstration of Left Ventricular Outflow Tract Eccentricity by Real Time 3D Echocardiography: Implications for the Determination of Aortic Valve Area , 2007, Echocardiography.

[25]  Anne-Catherine Pouleur,et al.  Aortic valve area assessment: multidetector CT compared with cine MR imaging and transthoracic and transesophageal echocardiography. , 2007, Radiology.

[26]  P. Pibarot,et al.  Paradoxical Low-Flow, Low-Gradient Severe Aortic Stenosis Despite Preserved Ejection Fraction Is Associated With Higher Afterload and Reduced Survival , 2007, Circulation.

[27]  A. Evangelista,et al.  Cardiac index quantification by Doppler ultrasound in patients without left ventricular outflow tract abnormalities. , 1995, Journal of the American College of Cardiology.

[28]  R. Cody,et al.  Comparative accuracy of Doppler echocardiographic methods for clinical stroke volume determination. , 1990, American heart journal.

[29]  A P Yoganathan,et al.  Review of hydrodynamic principles for the cardiologist: applications to the study of blood flow and jets by imaging techniques. , 1988, Journal of the American College of Cardiology.

[30]  G. Uijen,et al.  Determination of cardiac output by single gated pulsed Doppler echocardiography. , 1988, International journal of cardiology.

[31]  E. Greene,et al.  Comparison of noninvasive pulsed Doppler and Fick measurements of stroke volume in cardiac patients. , 1984, American heart journal.

[32]  S. V. Sukhorukikh.  Replacement of Heart Valves , 1965, British medical journal.

[33]  F. Bauer,et al.  Effect of the ellipsoid shape of the left ventricular outflow tract on the echocardiographic assessment of aortic valve area in aortic stenosis. , 2014, Journal of cardiovascular computed tomography.

[34]  J. Chambers,et al.  Echocardiographic assessment of valve stenosis: EAE/ASE recommendations for clinical practice. , 2009, European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology.

[35]  Mark A. Friedman,et al.  Demonstration of left ventricular outflow tract eccentricity by 64-slice multi-detector CT , 2008, The International Journal of Cardiovascular Imaging.

[36]  R GORLIN,et al.  Hydraulic formula for calculation of the area of the stenotic mitral valve, other cardiac valves, and central circulatory shunts. I. , 1951, American heart journal.