• 1. Beijing Jingmei Group General Hospital, Beijing, 102300, China;
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HeQuanying, Email: hxk313@126.com
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Objective To understand the prevalence,risk factors,clinical features and the medication of coal worker's pneumoconiosis(CWP) complicated with chronic obstructive pulmonary disease (COPD). Methods Pulmonary function testing results,clinical symptoms,medication of 451 patients with CWP were collected. Then, the risk factors relevant to the incidence of COPD in CWP were analyzed with Cox multivariate regression. Results The prevalence of COPD in CWP was 44.6%,and the incidence was rising with the increasing of CWP phases, exposure duration,smoking index,with the odds ratio of 3.20,1.09,and 1.01,respectively.The patients with CWP and COPD were suffered more symtoms with a CAT score of 25.5 but received less regular medications. Conclusions The incidence of COPD in CWP is obviously higher than that in common populaton.Exposure duration, smoking index and phases of CWP are the high risk factors for COPD in the population of CWP. The patients with CWP and COPD are suffered more symtoms but receive irregular medications.

Citation: YuChunxiao, GaoHong, LiSuwen, ChenChunlan, AnFucheng, WangJianguo, ChenDongjin, XiaoZhiqiang, ZhangYingying, WenZhengjun, ZhangHongli, HeQuanying. Investigations of 451 Coal Worker's Pneumoconiosis complicated with COPD in Western District of Beijing. Chinese Journal of Respiratory and Critical Care Medicine, 2015, 14(2): 128-131. doi: 10.7507/1671-6205.2015033 Copy

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