机器人辅助的跨骨多普勒与胸外心声扫描对右向左顺差检测的右向左顺差检测
Mark N Rubin1, Ruchir Shah2, Thomas Devlin2
1Edward Hines, Jr. Veterans Affairs Medical Center, IL (M.N.R.).
Stroke
|October 5, 2023
概括
机器人辅助的横多普勒扫描 (raTCD) 是一种比横心声扫描更安全,更有效的工具,用于诊断从右到左的分流 (RLS). 这种非侵入性方法显著提高了RLS检测率,有助于评估中风风险.
科学领域:
- 神经学 神经学
- 心脏病学 心脏病学
- 医疗器械 医疗器械
背景情况:
- 右向左的分流 (RLS),包括圆孔,是已知的中风风险因素.
- 目前的诊断方法,如胸回声心电图 (TTE),是不敏感的,而经食道回声心电图是侵入性的.
- 跨骨多普勒 (TCD) 是准确的和非侵入性的,但操作者依赖和稀缺.
研究的目的:
- 评估机器人辅助TCD (raTCD) 与用于诊断RLS的TTE相比的有效性和安全性.
- 在怀疑栓塞性脑血管缺血症的患者中,使用raTCD与TTE评估RLS检测率.
主要方法:
- 一个前性的,单臂临床试验,涉及6个地点.
- 纳入了154名患有疑似栓塞性脑血管缺血事件的患者.
- 使用标准泡泡研究技术,比较raTCD和TTE之间的RLS检测率.
主要成果:
- 在64%的患者中,raTCD检测到RLS,而在TTE患者中,这一比例为20% (P<0.001).
- 在27%的患者中,通过raTCD识别出大型RLS,而通过TTE识别出10%的RLS (P<0.001).
- 没有报告严重的不良事件;raTCD诊断RLS的可能性大约是3倍.
结论:
- raTCD是一种安全且比TTE更有效的RLS诊断工具.
- 该设备可以进行准确的TCD测试,而不需要经验丰富的操作员.
- 与TTE相比,raTCD显示出作为RLS优越查工具的前景.
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