Wall Shear Stress Measurements Based on Ultrasound Vector Flow Imaging Theoretical Studies and Clinical Examples

被引：39
|
作者：
Du, Yigang [1 ]
Goddi, Alfredo [2 ]
Bortolotto, Chandra [3 ]
Shen, Yingying [1 ]
Dell'Era, Alex [1 ]
Calliada, Fabrizio [3 ]
Zhu, Lei [1 ]
机构：
[1] Shenzhen Mindray Biomed Elect Co Ltd, Shenzhen, Peoples R China
[2] SME Med Ctr, Diagnost Imaging, Via Luigi Pirandello 31, I-21100 Varese, Italy
[3] Policlin San Matteo, Fdn Ist Ricovero & Cura Carattere Sci, Dept Radiol, Pavia, Italy
来源：
JOURNAL OF ULTRASOUND IN MEDICINE | 2020年 / 39卷 / 08期
基金：
国家重点研发计划;
关键词：
Doppler ultrasound; nonlaminar flow; turbulence; vector flow imaging; wall shear stress; COMMON CAROTID-ARTERY; BLOOD VELOCITY; PLAQUE; ATHEROSCLEROSIS; BIFURCATION; ASSOCIATION; COMPLEX; SIZE;
D O I：
10.1002/jum.15253
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Wall shear stress (WSS) is considered as a key factor for atherosclerosis development. Previous WSS research based on pulsed wave Doppler (PWD) showed limitations in complex flows. To improve accuracy for nonlaminar flow, a commercial ultrasound vector flow imaging (UVFI)-based WSS calculation is proposed. Errors for PWD are presented theoretically when flow is not laminar. Based on this, simulations of WSS calculations between PWD and UVFI were set up for different turbulent flows. Our simulations show that UVFI has obviously better performance than PWD in WSS calculations. Wall shear stress results in different flow conditions at carotid bifurcations are described.
引用
收藏
页码：1649 / 1664
页数：16
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