睡眠时间和中风后的长期死亡率:全国性的分析
Sara Hassani1, Bruce Ovbiagele2, Daniela Markovic3
1Northwestern University Feinberg School of Medicine, USA.
概括
脑卒中后睡眠时间较长与因任何原因死亡风险增加有关. 这一发现强调了监测中风幸存者的睡眠模式的重要性,以获得更好的健康结果.
科学领域:
- 心血管健康 心血管健康
- 睡眠医学 睡眠医学
- 脑卒中的结果
背景情况:
- 睡眠时间是心血管健康的关键组成部分,正如美国心脏协会的生命必需品8所定义的那样.
- 对睡眠时间对中风幸存者的结果的影响的研究是有限的.
研究的目的:
- 调查美国中风幸存者的全国代表样本中夜睡眠时间和死亡风险之间的关联.
主要方法:
- 利用来自国家健康和营养检查调查 (2005-2018) 和国家死亡指数 (2019) 的横截面数据.
- 分析了来自18岁及以上的1488名中风幸存者的数据.
- 采用多变量考克斯回归模型来评估睡眠时间 (短:<7小时,正常:7-8小时,长:>8小时) 与所有原因和心血管死亡率之间的关系,调整为人口和临床因素.
主要成果:
- 长时间的睡眠时间 (>8小时) 与中风幸存者全因死亡率的增加显著相关,即使对共变量进行调整 (HR 1.30,95% CI 1.02-1.65).
- 在调整后,睡眠时间短 (<7小时) 与所有原因或心血管死亡率没有显著相关.
- 长时间睡眠时间和心血管死亡率之间没有发现显著的关联.
结论:
- 长时间的睡眠时间是中风后较高全因死亡率的独立风险因素.
- 研究结果表明,睡眠时间可能是中风后护理的重要,可修改的因素.
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