运动诱导的早发性心室收缩是否与显著的冠状动脉疾病有关?
Sok-Sithikun Bun1, Clementine Massimelli1, Didier Scarlatti1
1Faculty of Medicine, Pasteur University Hospital, 06000 Nice, France.
运动诱导的早发性心室收缩 (EIPVC) 与冠状动脉疾病 (CAD) 相比,与运动诱导的缺血相关性较小. 这项研究发现,与缺血性运动测试患者相比,EIPVC患者的CAD患病率明显较低.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
背景情况:
- 运动诱导的早发性心室收缩 (EIPVC) 与死亡率有关,但它们与冠状动脉疾病 (CAD) 的关联需要澄清.
- 了解这种联系对于患有心血管风险因素的患者的风险分层至关重要.
研究的目的:
- 评估心血管风险因素患者中EIPVC和显著的潜在CAD之间的关联.
- 为了比较患有EIPVC患者与运动诱导缺血症患者的CAD患病率.
主要方法:
- 对35岁以上接受运动测试 (ET) 的患者进行前性研究,这些患者有心血管风险因素并且没有已知的CAD.
- 患者被分为A组 (存在EIPVC) 和B组 (ET显示缺血症).
- 在ET后两个月内通过冠状动脉造影,剪切造影,MRI或CT血管造影确认了CAD.
主要成果:
- 在4098名ET中,46名患者患有EIPVC (A组),71人患有运动引起的缺血症 (B组).
- 在A组11%的患者中证实有CAD,而在B组的患者中为54% (p < 0.0001).
- 这表明与运动引起的缺血相比,EIPVC和CAD之间的关联明显较低.
结论:
- 在没有已知的CAD的患者中,EIPVC与潜在的CAD相比,与运动诱导的"电"缺血症相比,与潜在的CAD相联系的频率较低.
- 在ET的运动诱导性缺血是该人群中潜在的CAD的更强有力的指标.
- 根据这些发现,进一步的研究可能会完善风险分层策略.
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