阻塞性睡眠呼吸暂停与心房重塑,纤维化和炎症之间的关系
在PubMed上查看摘要
概括
此摘要是机器生成的。阻塞性睡眠呼吸暂停 (OSA) 导致心房重塑和纤维化. 慢性间歇性缺氧 (CIH) 在OSA患者中增加了心房的炎症和结构变化.
科学领域
- 心脏病学
- 睡眠医学
- 病理学
背景情况
- 阻塞性睡眠呼吸暂停 (OSA) 与心房动有关.
- 慢性间歇性缺氧 (CIH) 是OSA的一个标志.
研究的目的
- 研究OSA对心房重塑,纤维化和炎症的影响.
- 区分OSA与肥胖对心房变化的影响.
主要方法
- 105名患者被分为对照组,轻度至中度OSA (m- OSA) 和重度OSA (s- OSA) 组.
- 进行心声学和血液检测 (IL-1β,TNF-α,原类型).
- 使用暴露于CIH的瘦小鼠进行实验验证.
主要成果
- 严重的OSA患者的BMI和左心脏直径较高.
- 在OSA患者中,TNF-α和IL-1β水平升高.
- 动物模型显示CIH诱导心房扩大,纤维化和炎症基因表达增加.
结论
- 由CIH驱动的OSA与心房结构改造的增加有关.
- 炎症和纤维化是OSA诱导的心房变化的关键组成部分.
- 这些发现突显了OSA除了肥胖之外的心脏影响.
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