3D in vivo imaging of rat hearts by high frequency ultrasound and its application in myofiber orientation wrapping

Xulei Qin; Silun Wang; Ming Shen; Xiaodong Zhang; Stamatios Lerakis; Mary B. Wagner; Baowei Fei

doi:10.1117/12.2082326

17 March 2015 3D in vivo imaging of rat hearts by high frequency ultrasound and its application in myofiber orientation wrapping

Xulei Qin, Silun Wang, Ming Shen, Xiaodong Zhang, Stamatios Lerakis, Mary B. Wagner, Baowei Fei

Author Affiliations +

Proceedings Volume 9419, Medical Imaging 2015: Ultrasonic Imaging and Tomography; 941906 (2015) https://doi.org/10.1117/12.2082326
Event: SPIE Medical Imaging, 2015, Orlando, Florida, United States

Abstract

Cardiac ultrasound plays an important role in the imaging of hearts in basic cardiovascular research and clinical examinations. 3D ultrasound imaging can provide the geometry or motion information of the heart. Especially, the wrapping of cardiac fiber orientations to the ultrasound volume could supply useful information on the stress distributions and electric action spreading. However, how to acquire 3D ultrasound volumes of the heart of small animals in vivo for cardiac fiber wrapping is still a challenging problem. In this study, we provide an approach to acquire 3D ultrasound volumes of the rat hearts in vivo. The comparison between both in vivo and ex vivo geometries indicated 90.1% Dice similarity. In this preliminary study, the evaluations of the cardiac fiber orientation wrapping errors were 24.7° for the acute angle error and were 22.4° for the inclination angle error. This 3D ultrasound imaging and fiber orientation estimation technique have potential applications in cardiac imaging.

Citation Download Citation

Xulei Qin, Silun Wang, Ming Shen, Xiaodong Zhang, Stamatios Lerakis, Mary B. Wagner, and Baowei Fei "3D in vivo imaging of rat hearts by high frequency ultrasound and its application in myofiber orientation wrapping", Proc. SPIE 9419, Medical Imaging 2015: Ultrasonic Imaging and Tomography, 941906 (17 March 2015); https://doi.org/10.1117/12.2082326

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