公共卫生 公共卫生
Mayibongwe Mugoba1, Scott T Chiesa1,2, Renate Houts3
1University College London, London, England, United Kingdom.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
40岁前血压升高对中年大脑健康或认知几乎没有影响. 然而,儿童高血压暴露与视网膜动脉口径的不良变化有关,这表明早期的小血管重塑.
科学领域:
- 神经科学是一个神经科学.
- 心血管健康 心血管健康
- 衰老研究研究 衰老研究
背景情况:
- 中年时血压升高是以后认知能力下降的已知危险因素.
- 这项研究调查了生命早期的高血压暴露是否会影响中年期的大脑健康和认知.
研究的目的:
- 检查从童年开始的累积血压暴露与中年大脑健康和认知能力之间的关联.
- 确定生命早期的血压是否预测了45岁时大脑衰老标志物和认知功能.
主要方法:
- 利用了来自尼丁多学科健康与发展研究 (n=893) 的数据.
- 从童年 (7岁) 到中年 (45岁) 测量了心压 (SBP) 和心压 (DBP) 血压.
- 在45岁时评估大脑健康 (BrainAge,白质高强度负担,视网膜动脉口径) 和认知能力 (IQ).
主要成果:
- 有限的证据将40岁前的BP与中年大脑健康或认知能力联系起来.
- 中年高血压 (从40岁起) 与增加的BrainAge和白质超强度负担有关.
- 儿童高血压暴露与视网膜动脉口径的减少相关,表明大脑小血管重塑,其影响在中年时加剧.
结论:
- 40岁之前的高血压暴露与中年大脑衰老标志物或认知功能的相关性很小.
- 从童年开始的累积血压暴露与不良的大脑小血管重塑有关,由减少的视网膜动脉质口径证明.
- 研究结果表明,从童年开始,早期的血压可能会影响大脑血管健康.
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