3D Intraventricular Flow Mapping from Colour Doppler Images and Wall Motion

被引：0

作者：

Gomez, Alberto ^{[1
]}

de Vecchi, Adelaide ^{[1
]}

Pushparajah, Kuberan ^{[1
]}

Simpson, John ^{[1
]}

Giese, Daniel ^{[1
]}

Schaeffter, Tobias ^{[1
]}

Penney, Graeme ^{[1
]}

机构：

[1] Kings Coll London, Div Imaging Sci, London WC2R 2LS, England

来源：

MEDICAL IMAGE COMPUTING AND COMPUTER-ASSISTED INTERVENTION - MICCAI 2013, PT II | 2013年 / 8150卷

关键词：

Colour Doppler Echocardiography; 3D Velocity Reconstruction; Flow Patterns; Cardiac Motion; Multiple Views; and Registration;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We propose a new method to recover 3D time-resolved velocity vectors within the left ventricle (LV) using a combination of multiple registered 3D colour Doppler images and LV wall motion. Incorporation of wall motion, calculated from 3D B-Mode images, and the use of a multi-scale reconstruction framework allow recovery of 3D velocity over the entire ventricle, even in regions where there is little or no Doppler data. Our method is tested on the LV of a paediatric patient and is compared to 2D and 3D flow Magnetic Resonance Imaging (MRI). Use of wall motion information increased stroke volume accuracy by 14%, and enabled full 3D velocity mapping within the ventricle. Velocity distribution showed good agreement with respect to MRI, and vortex formation during diastole was successfully reconstructed.

引用

页码：476 / 483

页数：8

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