在快速眼动睡眠期间,性别选择性QT延长
Paola A Lanfranchi1, Abu S M Shamsuzzaman, Michael J Ackerman
1Department of Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA.
Circulation
|September 18, 2002
概括
睡眠阶段对男性和女性的心脏间隔的影响不同. 与男性不同的是,女性在REM睡眠期间表现出增加的QT间隔,这表明性别特异性心律不整的风险.
科学领域:
- 心脏病学 心脏病学
- 睡眠医学 睡眠医学
- 身体生理学 身体生理学
背景情况:
- 研究了睡眠阶段对心率 (RR) 和QT间隔的影响.
- 假设睡眠阶段对性别之间的QT间隔有不同的影响.
研究的目的:
- 为了确定睡眠阶段如何影响健康个体的RR和QT间隔.
- 测试睡眠相关的QT间隔变化中的性别特异性差异.
主要方法:
- 多睡眠学与同时监测心电图,血压和呼吸.
- 在清醒和睡眠阶段 (NREM 2,NREM 3-4,REM) 测量RR间隔,RR变化和QT间隔 (修正为QTc).
主要成果:
- 在男性中,RR间隔和可变性在睡眠阶段之间增加;QTc保持稳定.
- 在女性中,RR间隔在NREM睡眠中增加,但在REM睡眠中保持稳定;RR变化在整个过程中保持稳定.
- 与清醒相比,女性在REM睡眠期间表现出绝对QT和QTc间隔的增加.
结论:
- 睡眠对心率和再极化 (QTc) 的影响取决于性别.
- 睡眠期间不同性别对心脏参数的影响可能会增加女性心律失常的风险.
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