Three-Dimensional Reconstruction of the Color Doppler–Imaged Vena Contracta for Quantifying Aortic Regurgitation by Yoshiki Mori, Takahiro Shiota, Michael.

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Presentation transcript:

Three-Dimensional Reconstruction of the Color Doppler–Imaged Vena Contracta for Quantifying Aortic Regurgitation by Yoshiki Mori, Takahiro Shiota, Michael Jones, Suthep Wanitkun, Timothy Irvine, Xiaokui Li, Alain Delabays, Natesa G. Pandian, and David J. Sahn Circulation Volume 99(12):1611-1617 March 30, 1999 Copyright © American Heart Association, Inc. All rights reserved.

Left, 3-dimensional reconstruction of flow convergence region (FCR) and aortic regurgitant jet viewed obliquely from above. Left, 3-dimensional reconstruction of flow convergence region (FCR) and aortic regurgitant jet viewed obliquely from above. Vena contracta (VC; arrow) is indicated as junction between FCR and aortic regurgitant jet. Right, Example of a cross section at the VC region from a 3-dimensional image. Note that the shape of the VC cross section is not symmetrical. AO indicates aorta. Yoshiki Mori et al. Circulation. 1999;99:1611-1617 Copyright © American Heart Association, Inc. All rights reserved.

A, Multivariate regression analysis between 3D-measured vena contracta (VC) areas and EMF-derived (EM) maximal EOAs. B, Agreement between 3D-measured VC areas and EM EOAs according to the method of Bland and Altman.28 . A, Multivariate regression analysis between 3D-measured vena contracta (VC) areas and EMF-derived (EM) maximal EOAs. B, Agreement between 3D-measured VC areas and EM EOAs according to the method of Bland and Altman.28 Yoshiki Mori et al. Circulation. 1999;99:1611-1617 Copyright © American Heart Association, Inc. All rights reserved.

A, Multivariate regression analysis between 3D-calculated and EMF-derived (EM) peak regurgitant flow rates. A, Multivariate regression analysis between 3D-calculated and EMF-derived (EM) peak regurgitant flow rates. B, Agreement between 3D-calculated and EM peak regurgitant flow rates according to the method of Bland and Altman.28 Yoshiki Mori et al. Circulation. 1999;99:1611-1617 Copyright © American Heart Association, Inc. All rights reserved.

A, Multivariate regression analysis between 3D-calculated and EMF-derived (EM) regurgitant stroke volumes/beat. A, Multivariate regression analysis between 3D-calculated and EMF-derived (EM) regurgitant stroke volumes/beat. B, Agreement between 3D-calculated and EM regurgitant stroke volumes/beat according to the method of Bland and Altman.28 Yoshiki Mori et al. Circulation. 1999;99:1611-1617 Copyright © American Heart Association, Inc. All rights reserved.