Concepedia

Differences in Aortic Valve Area Measured with CT Planimetry and Echocardiography (Continuity Equation) Are Related to Divergent Estimates of Left Ventricular Outflow Tract Area

Ethan J. Halpern, R K Mallya, Matisyahu Shulman, Donna R. Zwas

American Journal of Roentgenology · 2009 · 74 citations · 19 references

DOI

Abstract

AVA measured with CT planimetry is significantly greater than AVA calculated with the continuity equation. This difference is at least partially related to differences in LVOT area based on LVOT diameter versus direct planimetry of the LVOT area.

References

19

Recommendations for Chamber Quantification: A Report from the American Society of Echocardiography’s Guidelines and Standards Committee and the Chamber Quantification Writing Group, Developed in Conjunction with the European Association of Echocardiography, a Branch of the European Society of Cardiology

Roberto M. Lang, Michelle Bierig, Richard B. Devereux et al. · Journal of the American Society of Echocardiography · 2005 · 11.3K citations

, , +13

ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease

Robert O. Bonow, Blasé A. Carabello, Kanu Chatterjee et al. · Journal of the American College of Cardiology · 2006 · 1.7K citations

, , +10

Determination of the stenotic aortic valve area in adults using Doppler echocardiography

Catherine M Otto, Alan S. Pearlman, Keith A. Comess et al. · Journal of the American College of Cardiology · 1986 · 387 citations

, , +8

“overestimation” of catheter gradients by doppler ultrasound in patients with aortic stenosis: a predictable manifestation of pressure recovery

Helmut Baumgartner, Thomas Stefenelli, Julia Niederberger et al. · Journal of the American College of Cardiology · 1999 · 316 citations

, , +15

ACC/AHA 2006 Guidelines for the Management of Patients With Valvular Heart Disease: Executive Summary

Circulation · 2006 · 168 citations · Full text

, , +11