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运动回声心脏成像期间的高率提高了斑点跟踪成功率,并增加了变形值

Fabian Spahiu¹, Michelle Ottlik¹, Lars C Helbig¹

¹COR-HELIX, Institute of Sport Science, Faculty of Humanities, Leibniz University Hannover, Hannover, Germany.

American journal of physiology. Heart and circulatory physiology

|January 31, 2025

概括

斑点跟踪心电回声学中的高率提高了心肌变形值的跟踪成功和准确性,特别是在运动期间. 优先考虑最高可行的率可以在压力条件下提高心脏成像可靠性.

科学领域:

心脏病学心脏病学
医疗成像医学成像
心声回声扫描 (Echocardiography) 是一种心声回声扫描.

背景情况:

二维斑点跟踪回声心脏图 (STE) 量化了心肌功能.
对于演练STE的最佳框架速率仍然不清楚.

研究的目的:

为了确定在运动过程中增加的速率是否提高了STE的跟踪成功和绝对变形值.

主要方法:

19名参与者通过高,中,低率的 STE 进行了阶段性运动测试.
分析了跟踪成功和变形值 (纵向应变,扭转,旋转,解扭转速度).

主要成果:

高率 (HFPS) 显著改善了对横侧短轴图像的追踪成功.
与较低的速度相比,HFPS产生了更高的纵向应变和解速度.
率显著影响了纵向应变和解速度.

结论:

在STE中始终使用最高可行的率是最佳追踪成功和准确性的首选.
高时间分辨率对于在压力条件下可靠的心脏成像至关重要.

关键词:

心脏功能是指心脏功能.运动生理学运动生理学斑点跟踪回声心脏图谱斑点跟踪回声心脏图谱

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