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Planimetric and continuity equation assessment of aortic valve area: Head to head comparison between cardiac magnetic resonance and echocardiography by Anne-Catherine Pouleur; Jean-Benoît le Polain de Waroux; Agnès Pasquet; David Vancraeynest; Jean-Louis J. Vanoverschelde; Bernhard L. Gerber is a Medicine article available to read on EtoBox.
What is Planimetric and continuity equation assessment of aortic valve area: Head to head comparison between cardiac magnetic resonance and echocardiography about?
## Abstract ## Purpose To compare the accuracy of planimetric and continuity equation measurements of aortic valve area (AVA) by cardiac MR (cMR) to each other and against transthoracic (TTE) and transesophageal (TEE) echocardiography. ## Materials and Methods A total of 31 patients (21 men, mean age = 67 ± 13 years) with aortic stenosis (AS) and 16 controls (12 men, mean age = 57 ± 14 years) underwent measurement of AVA by planimetric and continuity equation cMR. Measurements were compared to TEE planimetry and continuity equation TTE. ## Results AVA by continuity equation cMR correlated highly to continuity equation TTE (r = 0.98) and was not significantly different (1.8 ± 1.3 cm^2^ vs. 1.8 ± 1.4 cm^2^, __P__ = 0.62). Similarly, AVA by cMR planimetry was not statistically different from TEE planimetry (2.1 ± 1.7 cm^2^ vs. 2.1 ± 1.6 cm^2^, __P__ = 0.34) and correlated highly (r = 0.98). Yet planimetric measurements of AVA by cMR and TEE were significantly higher than AVA by continuity equation cMR (__P__ < 0.001 and __P__ < 0.001, respectively) and TTE (__P__ < 0.001 and __P__ < 0.001, respectively). ## Conclusion Both planimetry and continuity equation–based measurements of AVA b
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- Author
- Anne-Catherine Pouleur; Jean-Benoît le Polain de Waroux; Agnès Pasquet; David Vancraeynest; Jean-Louis J. Vanoverschelde; Bernhard L. Gerber
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1053-1807)
- Published
- 2007
- Language
- EN
- Field
- Medicine (Health Sciences)