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. 2022 Dec 1;206(11):1317-1325.
doi: 10.1164/rccm.202204-0671PP.

Definition and Nomenclature of Chronic Obstructive Pulmonary Disease: Time for Its Revision

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Definition and Nomenclature of Chronic Obstructive Pulmonary Disease: Time for Its Revision

Bartolome Celli et al. Am J Respir Crit Care Med. .
No abstract available

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Figures

Figure 1.
Figure 1.
Chronic obstructive pulmonary disease (COPD) results from an interaction between genetic predisposition of some individuals with different causative agents over time. It goes through a period (pre-COPD) where the operational threshold that is used to define airflow limitation has not been reached, but symptoms, structural abnormalities detectable with imaging, or functional dysfunction detectable with lung function testing may identify individuals at higher risk of COPD development. Finally, a full-blown spirometrically detectable phase is reached either at young (<50 yr) or older (⩾50 yr) age. AAT = alpha-1-antitrypsin deficiency; PRISM = preserved ratio impaired spirometry.

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