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KMID : 1141720200080020055
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폐쇄성폐질환
2020 Volume.8 No. 2 p.55 ~ p.58
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Smoking and Non-smoking COPD: What Is Common and Different?
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Lee Bo-Young
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Abstract
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Smoking is an established risk factor for COPD, however, up to 45% of the COPD patients are known to be non-smokers. There are some studies on the risk factors for non-smoking COPD, and they found biomass fuels, air pollution, occupational exposures, tuberculosis, asthma, and low socioeconomic status as possible causes. However, very few studies have compared the difference between COPD in smokers and non-smokers. COPD in non-smokers had less emphysema on CT scans, showing more airway predominant phenotype. Future research on prognosis, therapeutic options, and treatment response may improve our understanding and control of the disease.
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KEYWORD
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Non-smoking COPD, Phenotype
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