在患有对运动压力测试高血压反应的患者中,对电机传输的非侵入性评估
Ahmet Ferhat Kaya1, Mehmet Hasan Ozdil2, Cemalettin Yilmaz3
1Dicle University Hospital, Department of Cardiology, Diyarbakir, Turkey.
在运动测试期间过度高血压反应的个体表现出长时间的电机延迟,这是心房动 (AF) 风险的潜在预测因素.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 诊断成像 诊断成像 诊断成像
背景情况:
- 在运动测试期间过度高血压反应与不良心血管结果有关,包括左心室缩和心房动 (AF).
- 了解潜在的机制,如机电延迟,对于风险分层和早期干预至关重要.
研究的目的:
- 为了研究电机延迟和过度高血压反应与运动测试之间的关系.
- 确定电机延迟是否可以作为预测运动诱导高血压患者AF风险的非侵入性标记.
主要方法:
- 一个研究队列包括25个对运动压力测试有高血压反应的个体和28个对照组的正常血压反应.
- 进行了标准的临床评估,包括血压霍尔特监测,常规心声学和运动压力测试.
- 使用组织多普勒成像测量了电机延迟参数,特别是侧向PA-TDI时间,左心房电机延迟和心房间间电机延迟.
主要成果:
- 血压霍尔特值,常规心声学或运动压力测试结果之间没有发现显著差异.
- 与对照组相比,在高血压反应组中观察到明显更长的侧面PA-TDI时间,左心房电力学延迟和心房间间电力学延迟 (分别为p=0.003,p=0.013,p=0.003).
结论:
- 电子机械延迟在体验过度高血压对运动测试反应的个体中延长.
- 电机延迟的非侵入性评估可能有助于识别患有新发动心房的风险较高的患者.
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