(COPD英文精品课件)COPD-Chronic-Obstructive-Lung-Disease.ppt
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- COPD英文精品课件 COPD 英文 精品 课件 Chronic Obstructive Lung Disease
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1、【COPD英文精品课件】COPD Chronic Obstructive Lung DiseaseOverviewWhat is COPD?How do I know if I have COPD?How common is it?General populationMining populationWhat increases my risk of developing COPD?How can I prevent getting COPD?How is COPD treated?What is COPD?A set of lung diseases that limit air flow
2、and is not fully reversible.COPD patients report they are“hungry”for airUsually progressive and is associated with inflammation of the lungs as they respond to noxious particles or gasesPotentially preventable with proper precautions and avoidance of precipitating factorsSymptomatic treatment is ava
3、ilable Two Major Causes of COPDChronic Bronchitis is characterized byChronic inflammation and excess mucus productionPresence of chronic productive coughEmphysema is characterized byDamage to the small,sac-like units of the lung that deliver oxygen into the lung and remove the carbon dioxideChronic
4、cough*Source:Braman,S.Update on the ATS Guidelines for COPD.Medscape Pulmonary Medicine.2005;9(1):1.Primary SymptomsChronic BronchitisChronic coughShortness of breathIncreased mucusFrequent clearing of throatEmphysemaChronic coughShortness of breathLimited activity levelNormal versus Diseased Bronch
5、iEmphysemaHow common is COPD?About 13.9%of the U.S.adult population(25+years)have been diagnosed with COPD*An estimated 15-19%of COPD cases are work-related*24 million other adults have evidence of troubled breathing,indicating COPD is under diagnosed by up to 60%*Braman,S.Update on the ATS Guidelin
6、es for COPD.Medscape Pulmonary Medicine.2005;9(1):1.*CDC programs in Brief Workplace Health and Safety-Work-related Lung Diseases.www.cdc.gov/programs/workpl18.htm*COPD Fact Sheet.Oct 2003.www/lungusa.orgCOPD-A Major Cause of Hospitalization&DeathCOPD was the:Leading cause of hospitalizations in the
7、 U.S.in 2000Fourth leading cause of deathCOPD in the Mining IndustryStudies show:An increased number of cases of chronic bronchitis in coal&gold miners Long-term exposures to low levels of silica may lead to the development of chronic bronchitis&emphysema Chronic exposure to coal dust,particularly h
8、igh levels,may lead to severe respiratory impairment(emphysema)*Hnizdo&Vallyathan Chronic obstructive pulmonary disease due to occupational exposure to silica dust:a review of epidemiological and pathological evidence.Occup Environ Med 2003;60:237-243.COPD Death Rates in Mining Industry 1999Coal min
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