3D reconstruction and quantitative assessment method of mitral eccentric regurgitation from color Doppler echocardiography

Qi Liu; Yi Nan Ge; Tian Fu Wang; Chang Qiong Zheng; Yi Zheng

doi:10.1117/12.650275

2 December 2005 3D reconstruction and quantitative assessment method of mitral eccentric regurgitation from color Doppler echocardiography

Qi Liu, Yi Nan Ge, Tian Fu Wang, Chang Qiong Zheng, Yi Zheng

Author Affiliations +

Proceedings Volume 6045, MIPPR 2005: Geospatial Information, Data Mining, and Applications; 60450F (2005) https://doi.org/10.1117/12.650275
Event: MIPPR 2005 SAR and Multispectral Image Processing, 2005, Wuhan, China

Abstract

Based on the two-dimensional color Doppler image in this article, multilane transesophageal rotational scanning method is used to acquire original Doppler echocardiography while echocardiogram is recorded synchronously. After filtering and interpolation, the surface rendering and volume rendering methods are performed. Through analyzing the color-bar information and the color Doppler flow image's superposition principle, the grayscale mitral anatomical structure and color-coded regurgitation velocity parameter were separated from color Doppler flow images, three-dimensional reconstruction of mitral structure and regurgitation velocity distribution was implemented separately, fusion visualization of the reconstructed regurgitation velocity distribution parameter with its corresponding 3D mitral anatomical structures was realized, which can be used in observing the position, phase, direction and measuring the jet length, area, volume, space distribution and severity level of the mitral regurgitation. In addition, in patients with eccentric mitral regurgitation, this new modality overcomes the inherent limitations of two-dimensional color Doppler flow image by depicting the full extent of the jet trajectory, the area of eccentric regurgitation on three-dimensional image was much larger than that on two-dimensional image, the area variation tendency and volume variation tendency of regurgitation have been shown in figure at different angle and different systolic phase. The study shows that three-dimensional color Doppler provides quantitative measurements of eccentric mitral regurgitation that are more accurate and reproducible than conventional color Doppler.

Citation Download Citation

Qi Liu, Yi Nan Ge, Tian Fu Wang, Chang Qiong Zheng, and Yi Zheng "3D reconstruction and quantitative assessment method of mitral eccentric regurgitation from color Doppler echocardiography", Proc. SPIE 6045, MIPPR 2005: Geospatial Information, Data Mining, and Applications, 60450F (2 December 2005); https://doi.org/10.1117/12.650275

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KEYWORDS

Doppler effect

3D image reconstruction

3D image processing

3D acquisition

Echocardiography

3D modeling

Image processing

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