高级检索
当前位置: 首页 > 详情页

A Systematic Investigation of Feasible Acoustic Windows and the Impact of Myocardial Anisotropy for In Vivo Human Cardiac Shear Wave Elastography

文献详情

资源类型:
WOS体系:

收录情况: ◇ CPCI(ISTP) ◇ EI

单位: [1]Mayo Clin, Coll Med, Dept Physiol & Biomed Engn, Rochester, MN 55902 USA [2]Mayo Clin, Coll Med, Div Cardiovasc Dis, Dept Med, Rochester, MN USA [3]Huazhong Univ Sci & Technol, Dept Ultrasound, Tongji Hosp, Tongji Med Coll, Wuhan 430074, Peoples R China
出处:
ISSN:

关键词: shear wave elastography echocardiographic views myocardial stiffness anisotropy

摘要:
Recent advancement in cardiac shear wave elastography (SWE) using pulse-inversion harmonic imaging showed substantial improvement of shear wave motion detection and demonstrated feasibility of transthoracic measurement of human myocardial stiffness. This study aimed at systematically investigating the feasible echocardiographic views for cardiac SWE and the impact of myocardial anisotropy when measuring myocardial stiffness from different scan views transthoracically. Ten healthy volunteers were recruited and scanned three times on three different days. A cardiac SWE sequence with pulse-inversion harmonic imaging and time-aligned sequential tracking was used to measure quantitative myocardial stiffness in late diastole. Seven combinations of echocardiography views and left ventricular (LV) segments were found to be feasible for transthoracic cardiac SWE: basal interventricular septum (IVS) under parasternal short-axis and long-axis views; mid IVS under parasternal short-axis and long-axis views; anterior LV free wall under parasternal short-axis and long-axis views; and posterior LV free wall under parasternal short-axis view. On the same LV segment, the mean diastolic shear wave speed (SWS) measurements from the short-axis view were statistically different from the long-axis view: 1.82 vs. 1.29 m/s for basal IVS; 1.81 vs. 1.45 m/s for mid IVS; and 1.96 vs. 1.77 m/s for anterior LV free wall, indicating that myocardial anisotropy plays a significant role in cardiac SWE measurements. These results establish the preliminary normal range of myocardial SWS under different scan views and provide important guidance for future clinical studies using cardiac SWE.

语种:
WOS:
第一作者:
第一作者单位: [1]Mayo Clin, Coll Med, Dept Physiol & Biomed Engn, Rochester, MN 55902 USA
通讯作者:
推荐引用方式(GB/T 7714):
APA:
MLA:

资源点击量:589 今日访问量:0 总访问量:441 更新日期:2025-06-01 建议使用谷歌、火狐浏览器 常见问题

版权所有:重庆聚合科技有限公司 渝ICP备12007440号-3 地址:重庆市两江新区泰山大道西段8号坤恩国际商务中心16层(401121)