PM2.5对呼吸系统的病理影响及中医药防治
China Journal of Traditional Chinese Medicine and Pharmacy（2015）
Abstract
PM2.5是空气动力学直径≤2.5μm的颗粒物,最主要的来源是煤炭燃烧、机动车尾气、烟草烟雾等,特征是体积小、重量轻,在大气中滞留时间长,可以携带有毒有害污染物进行远距离传输,对呼吸疾病发病率、住院率、病死率存在明显影响,引起氧化应激产生活性氧物质、炎性反应,影响机体特异性免疫反应及非特异性免疫反应,损伤肺巨噬细胞功能,导致肺组织和气道损伤.为了人类的健康,减少PM2.5环境污染带来的危害,中医药"治未病"的思想为防治环境污染相关呼吸道疾病可开拓新的思路.
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Key words
Particulate Matter 2.5,Respiratory system,Oxidative stress,Inflammatory factor,Immunologic injury,Preventive treatment of disease in TCM
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