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Computational Fluid Dynamics Study of the Effect of Transverse Sinus Stenosis on the Blood Flow Pattern in the Ipsilateral Superior Curve of the Sigmoid Sinus by Yanjing Han; Jun Xia; Long Jin; Aike Qiao; Tianhao Su; ZhenFeng Li; Jianping Xiong; Haochen Wang; Zhiyuan Zhang is a Medicine article available to read on EtoBox.

What is Computational Fluid Dynamics Study of the Effect of Transverse Sinus Stenosis on the Blood Flow Pattern in the Ipsilateral Superior Curve of the Sigmoid Sinus about?

Objective To investigate the effect of different types of transverse sinus stenosis on blood flow patterns in the ipsilateral superior curve of the sigmoid sinus. Methods According to the morphology of transverse and sigmoid sinus sections in pulsatile tinnitus patients, ten idealized models with different degrees and positions of transverse sinus stenosis were constructed. Computational fluid dynamics simulations were performed to compare the hemodynamic characteristics among these models. Follow-up images of previous cases were included, which preliminarily confirmed the hypothesis that bone plate erosion of the sigmoid sinus sulcus is related to blood flow impingement. Results Blood flow impingement on the superior curve of the sigmoid sinus wall intensified with increasing degree of stenosis and decreased with increasing distance between the stenosis and the sigmoid sinus. The impact zone was generally confined to the anterior and lateral walls of the superior curve of the sigmoid sinus. When the stenosis was located far from the middle of the transverse sinus, the blood flow impingement on the sigmoid sinus wall was very weak. Conclusions When stenosis is located far from the

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Author

Yanjing Han; Jun Xia; Long Jin; Aike Qiao; Tianhao Su; ZhenFeng Li; Jianping Xiong; Haochen Wang; Zhiyuan Zhang

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Medicine (Health Sciences)