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Copd Research Paper

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Introduction of COPD
Defіnіtіon
Defіnіtіon of COPD The Global Іnіtіatіve for Obѕtrustіve Lung Dіѕeaѕe (GOLD) Guіdelіneѕ defіne COPD, chronic progreѕѕіve dіѕeaѕe, even after admіnіѕtratіon of Broncodіlatorѕ but not full reverѕіble aіrway obѕtructіon іѕ charasterіzed. The aіrway obѕtructіon іѕ cauѕed but mіxture of obѕtrustіve causes bronshіtіѕ and bronchial іnјuruy and іѕ an abnormal inflammatory with the lungs associated with harmful particles. Symptoms of COPD are chronic and progressive dyspnea, cough and sputum production. The diagnosis of COPD and backup is done in addition to the clinical diagnosis of the Spirometry. It should be assumed that COPD when the forced post bronchodilator force expiratory volume (FEV1) less than 80% of the …show more content…

The diagnosis of COPD
The diagnosis of COPD is based, essentially, on a story of cigarette smoking or chronic inhalation of dusts, gases, or toxic and are confirmed by specific pulmonary function tests. Consider the possibility of COPD in smokers and ex-smokers over the age of 40 years

Spirometry
All international guidelines published in the last 5year [11,12]. Agree in Spirometry, with execution the maneuver of forced vital capacity (FVC), as an indispensable means for the diagnosis of COPD. The diagnosis is possible when the ratio of volume in the Expired first second (FEV1 according to the English acronym) and FVC (FEV1 / FVC), measured after administration of a bronchodilator (usually Salbutamol 400 mcg inhalation from dispensers pre-dosed), it is less than 0.70. In some works and some guidelines were discussed on the opportunities to use a single value of the FEV1 / FVC ratio to identify those who are suffering from COPD [13]. However, even if it agrees on the potential underestimation or overestimation of the disease, respectively in young and elderly, linked to the use of this method, the current unavailability reliable estimates of the distribution of the ratio valuesFEV1 / FVC in the various age groups, it blocks a diagnosis based on values below the 5th percentile of the Distribution FEV1 / FVC in the reference population, so far the 5th percentile was chosen by convention as the limitless of normal

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