Three-dimensional systolic kinematics of the right ventricle
Three-dimensional systolic kinematics of the right ventricle
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DOI：
10.1152/ajpheart.00442.2005
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发表时间：
2005-11-01
影响因子：
4.8
通讯作者：
Axel, L
中科院分区：
文献类型：
--
作者：
Haber, I;Metaxas, DN;Axel, L
心脏的右心室 (RV) 负责将血液泵送到肺部。由于其壁薄且几何形状不对称，其运动学不像左心室 (LV) 那样被充分了解。在本研究中，结合标记 MRI 和三维 (3-D) 图像处理技术来重建 3-D RV-LV 运动和变形。重建的模型用于量化一组正常受试者心室的 3D 全局和局部变形。与 LV 相比，RV 表现出相似的扭曲模式、更多的纵向应变模式和更大的位移量。
The right ventricle (RV) of the heart is responsible for pumping blood to the lungs. Its kinematics are not as well understood as that of the left ventricle (LV) due to its thin wall and asymmetric geometry. In this study, the combination of tagged MRI and three-dimensional (3-D) image-processing techniques was used to reconstruct 3-D RV-LV motion and deformation. The reconstructed models were used to quantify the 3-D global and local deformation of the ventricles in a set of normal subjects. When compared with the LV, the RV exhibited a similar twisting pattern, a more longitudinal strain pattern, and a greater amount of displacement.