中期柴烟空气污染对心脏代谢风险因素和炎症标志物的影响
Fernando Lanas1, Nicolás Saavedra2, Kathleen Saavedra2
1Department of Internal Medicine, Universidad de La Frontera, Temuco, Chile.
Frontiers in cardiovascular medicine
|December 11, 2023
概括
智利特穆科的高空气污染时期与心脏代谢风险因素和心血管风险增加有关. 然而,在这些高污染事件中观察到较低水平的循环炎症分子.
科学领域:
- 环境健康 环境健康
- 心脏病学 心脏病学
- 免疫学 免疫学 免疫学
背景情况:
- 智利的Temuco在寒冷的月份因木材燃烧而受到严重的空气污染 (AP).
- 这项研究研究了高AP (HAP) 与低AP (LAP) 时期对健康的影响.
研究的目的:
- 评估 HAP 和 LAP 期间之间心脏代谢风险因素的差异.
- 为了评估估计心血管风险的变化.
- 分析与空气污染水平相关的炎症标志物的血液水平.
主要方法:
- 一项从2018年1月到9月进行的前性小组研究.
- 通过PM2.5度评估的空气污染.
- 90人提供了病史,生活方式数据,身体活动,体检和禁食血液样本进行分析.
主要成果:
- 在HAP期间,缩血压高出3mmHg (p=0.05).
- 高脂胆固醇降低了14.2毫克/分升 (p<0.001),而弗拉明翰风险评分从14.5增加到18.0 (p<0.001).
- 在HAP期间观察到显著较低的互白蛋白,MCP1,MMP1,MMP2,sICAM和svCAM水平.
结论:
- 高空气污染与心脏代谢风险因素的增加和估计的心血管风险有关.
- 在高污染期间,人们注意到循环急性炎症分子的悖论性减少.
- 血中炎症分子水平与观察到的心脏代谢风险因素变化没有相关性.
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