短期和中期血压变化和长期死亡率
David Steinsaltz1, Hamish Patten2, Dirk Bester1
1Department of Statistics, University of Oxford, Oxford, United Kingdom.
The American journal of cardiology
|October 24, 2024
概括
中期血压 (BP) 变化,而不是短期,显著预测死亡风险. 这种中期血压变化是所有原因和心血管死亡率的关键因素,独立于平均血压水平.
科学领域:
- 心血管流行病学心血管流行病学
- 生物统计学 生物统计学
- 公共卫生 公共卫生
背景情况:
- 传统上,死亡风险评估的重点是平均血压 (BP).
- 需要探索血压变化对死亡率的影响.
- 现有的研究还没有充分解决短期与中期BP变化的问题.
研究的目的:
- 为了研究血压变化和死亡风险之间的关联.
- 为了区分短期与中期BP变化的预测值.
- 应用贝叶斯层次模型来估计这些效应.
主要方法:
- 利用了第三次国家健康和营养检查调查 (NHANES III) 的数据.
- 连接调查数据与长达27年的死亡随访.
- 采用贝叶斯层次模型来分析BP变化和死亡率.
主要成果:
- 中期缩血压变化显著预测了所有原因和心血管死亡率.
- 中期缩血压变化的影响大约是平均缩血压的影响的三分之一.
- 短期BP变异性显示死亡率几乎没有预测价值.
结论:
- 中期血压变化是死亡率的重要预测因素,超过平均血压.
- 中期BP变化的预测值即使在Framingham风险评分控制后仍然存在.
- 临床评估应考虑中期血压变化,以进行全面的死亡风险评估.
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