循环血压失调与左心室结构和功能在儿童阻塞性睡眠呼吸暂停的关系
Abigail M Witter1, David F Smith2,3,4,5, Md Tareq Ferdous Khan6
1University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
Journal of sleep research
|April 2, 2025
概括
患有阻塞性睡眠呼吸暂停 (OSA) 的儿童表现出与心脏变化相关的血压节奏变化. 在OSA患者中,降低血压下降表明透气功能障碍,突出显示了OSA的严重程度.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 睡眠医学 睡眠医学
- 心血管生理学心血管生理学
背景情况:
- 众所周知,儿童的阻塞性睡眠呼吸暂停 (OSA) 会破坏昼夜血压 (BP) 模式.
- 这些BP节律变化与儿科OSA心脏结构和功能变化之间的关系仍然不完全理解.
研究的目的:
- 研究OSA儿童的昼夜血压调节失调与心脏结构和功能变化之间的关联.
- 为了确定OSA的严重程度是否影响这些关联.
主要方法:
- 一项涉及5-14岁儿童的横截面观察性研究,包括患有OSA和健康对照.
- 参与者接受了多睡眠学,24小时门诊血压监测和心声学.
- 分析包括回归和调解,以评估昼夜血压参数 (例如,夜间浸泡) 与心脏指标之间的关系.
主要成果:
- 在患有OSA的儿童中,较早的透静血压和血压速度峰值与左心室放松功能受损和左心房压力增加相关.
- 在OSA组中观察到夜间血压下降的降低,并与腹功能障碍有关.
- 阻塞性呼吸暂停-呼吸暂停指数 (OSA严重程度) 是多项分析中的一个重要因素,介绍了OSA与左心室功能之间的联系.
结论:
- 循环血压调节失调,特别是改变时间和减少夜间浸泡,与儿科OSA的腹痛功能障碍有关.
- 在这些心血管变化中,OSA的严重程度起着至关重要的作用.
- 这些发现强调了治疗儿童OSA的重要性,以预防心脏并发症.
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