Article
PM2.5 as a risk factor for sleep oxygen desaturation in COPD: identifying susceptible individuals by smoking and inflammatory phenotypes.
Thorax - 15 Sept 2025
Zhang Wenlou, Chen Baiqi, Shima Masayuki, Zhao Chen, Guo Liqiong, Yoda Yoshiko, Li Shurun, Wu Shaowei, Chen Yahong, Guo Xinbiao, Deng Furong
Abstract excerpt
BACKGROUND: Nocturnal hypoxia is prevalent in chronic obstructive pulmonary disease (COPD) and contributes significantly to poor disease prognosis. However, its key environmental risk factors and susceptible phenotypes remain poorly understood. METHODS: This prospective repeated-measure study included 96 patients with COPD with real-time personal monitoring of fine particulate matter (PM2.5) and oxygen saturation...
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