Chronic obstructive pulmonary disease overview: Difference between revisions

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==Overview==
==Overview==
COPD usually gradually gets worse over time and can lead to death. The rate at which it gets worse varies between individuals. The factors that predict a poorer prognosis are:like Severe airflow obstruction (low FEV<sub>1</sub>), poor exercise capacity, shortness of breath, significantly underweight or overweight, complications like respiratory failure or cor pulmonale, continued smoking, frequent acute exacerbations. Prognosis in COPD can be estimated using the Bode Index. This scoring system uses FEV1, body-mass index, 6-minute walk distance, and the modified MRC dyspnea scale to estimate outcomes in COPD.
'''Chronic obstructive pulmonary disease''' ('''COPD'''), also known as '''chronic obstructive airway disease''' ('''COAD'''), is a group of [[disease]]s characterized by the pathological limitation of airflow in the [[airway]] that is not fully reversible <ref name="pmid12198919">{{cite journal |author=Mannino DM, Homa DM, Akinbami LJ, Ford ES, Redd SC |title=Chronic obstructive pulmonary disease surveillance--United States, 1971-2000 |journal=[[MMWR. Surveillance Summaries : Morbidity and Mortality Weekly Report. Surveillance Summaries / CDC]] |volume=51 |issue=6 |pages=1–16 |year=2002 |month=August |pmid=12198919 |doi= |url= |accessdate=2012-03-01}}</ref>. COPD is the umbrella term for chronic [[bronchitis]], [[emphysema]] and a range of other lung disorders. It is most often due to [[tobacco smoking]],<ref name="dev">Devereux G. ''ABC of chronic obstructive pulmonary disease. Definition, epidemiology, and risk factors.'' [[British Medical Journal|BMJ]] 2006;332:1142-1144. PMID 16690673</ref> but can be due to other airborne irritants such as coal dust, [[asbestos]] or solvents, [[congenital]] conditions such as [[alpha-1-antitrypsin deficiency]] and as well as preserved meats containing nitrites.


==Diagnosis==
==Diagnosis==

Revision as of 19:19, 1 March 2012

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Philip Marcus, M.D., M.P.H. [2]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [3]

Overview

Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive airway disease (COAD), is a group of diseases characterized by the pathological limitation of airflow in the airway that is not fully reversible [1]. COPD is the umbrella term for chronic bronchitis, emphysema and a range of other lung disorders. It is most often due to tobacco smoking,[2] but can be due to other airborne irritants such as coal dust, asbestos or solvents, congenital conditions such as alpha-1-antitrypsin deficiency and as well as preserved meats containing nitrites.

Diagnosis

The diagnosis of COPD is usually suggested by symptoms; it is a clinical diagnosis and no single test is definitive. A comprehensive history from the patient is very important with regard to smoking and occupation.

References

  1. Mannino DM, Homa DM, Akinbami LJ, Ford ES, Redd SC (2002). "Chronic obstructive pulmonary disease surveillance--United States, 1971-2000". MMWR. Surveillance Summaries : Morbidity and Mortality Weekly Report. Surveillance Summaries / CDC. 51 (6): 1–16. PMID 12198919. Unknown parameter |month= ignored (help); |access-date= requires |url= (help)
  2. Devereux G. ABC of chronic obstructive pulmonary disease. Definition, epidemiology, and risk factors. BMJ 2006;332:1142-1144. PMID 16690673


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