PM2.5对血压的影响

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近年来随着空气质量下降,人们更加重视环境污染的危害性。相关研究表明,空气污染物(主要是PM2.5)与心血管疾病关系密切。 PM2.5会增加心血管疾病的发病率和病死率。心血管疾病如高血压,血栓形成,血管功能障碍,动脉粥样硬化,心肌梗死和心脏自主调节功能紊乱等也被认为与空气污染物有关。 PM2.5对血压影响的确切机制尚不清楚,其可能机制是 PM2.5通过直接作用、氧化应激、炎症及自主神经系统功能失调,继而导致血管舒缩功能受损,最终引起血压的变化。
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