Direct and indirect effects of particulate matter on the cardiovascular system.

Direct and indirect effects of particulate matter on the cardiovascular system.
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DOI:
10.1016/j.toxlet.2011.11.008
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发表时间:
2012-02-05
期刊:
影响因子:
3.5
通讯作者:
Wold, Loren E.
Wold, Loren E.
中科院分区:
医学3区
文献类型:
--
作者:
Nelin, Timothy D.;Joseph, Allan M.;Gorr, Matthew W.;Wold, Loren E.

文献摘要

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人体暴露于颗粒物(PM)可通过直接和间接途径引起心血管系统的多种反应。PM对心血管系统的间接影响是通过自主神经系统介导的,自主神经系统控制心率变异性,炎症反应增加急性心血管事件和动脉粥样硬化。最近的研究表明,PM还通过进入体循环直接影响心血管系统。该过程通过活性氧产生、钙离子干扰和血管功能障碍的机制引起心肌功能障碍。在这篇综述中,我们将介绍直接和间接途径的关键证据,建议当前文献的临床应用,并为未来的研究方向提出建议。
Human exposure to particulate matter (PM) elicits a variety of responses on the cardiovascular system through both direct and indirect pathways. Indirect effects of PM on the cardiovascular system are mediated through the autonomic nervous system, which controls heart rate variability, and inflammatory responses, which augment acute cardiovascular events and atherosclerosis. Recent research demonstrates that PM also affects the cardiovascular system directly by entry into the systemic circulation. This process causes myocardial dysfunction through mechanisms of reactive oxygen species production, calcium ion interference, and vascular dysfunction. In this review, we will present key evidence in both the direct and indirect pathways, suggest clinical applications of the current literature, and recommend directions for future research.
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