Published: 24 December 2020
Author(s): Laurent BERTOLETTI, Francis COUTURAUD
Section: Commentary

Chronic obstructive pulmonary disease (COPD) is a frequent and severe chronic respiratory disease [1]. It is ranked in the 5th main causes of death worldwide [1]. Patients with COPD suffer from persistent dyspnea, with periods of acute worsening, called exacerbation. One third of COPD patients need to be hospitalized because of severe exacerbation [1].

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