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Drugs. 2013 Dec;73(18):1991-2001. doi: 10.1007/s40265-013-0145-9.

Should mild COPD be treated? Evidence for early pharmacological intervention.

Author information

1
Division of Respiratory and Critical Care Medicine, Department of Medicine, Queen's University, 102 Stuart Street, Kingston, ON, K7L 2V6, Canada.

Erratum in

  • Drugs. 2014 Jan;74(1):155. Alberto Neder, J [corrected to Neder, J Alberto].

Abstract

Chronic obstructive pulmonary disease (COPD) is a common and often progressive inflammatory disease of the airways that is both preventable and treatable. It is well established that those with mild-to-moderate disease severity represent the majority of patients with COPD, yet this subpopulation is relatively under-studied. Because of an insidious pre-clinical phase, COPD is both under-diagnosed and under-treated. Recent studies have confirmed that even patients with mild, grade 1 COPD [i.e. those with a reduced forced expiratory volume in one second (FEV1)/forced vital capacity ratio but normal FEV1], have measurable physiological impairment with increased morbidity and a higher risk of mortality compared with non-smoking healthy controls. Beyond the imperative of smoking cessation-the pivotal intervention in all COPD stages-the role of pharmacotherapy for prevention of disease progression has yet to be established. The main objective of this review is to provide a concise overview of the heterogeneous pathophysiology of COPD with only mild airway obstruction on spirometry and obstacles for early diagnosis. We emphasize that the absence of sufficiently powered trials involving a large number of patients precludes definitive recommendations in support of (or against) long-term pharmacological treatment in mild COPD. Despite these limitations, we present a rationale for earlier pharmacological intervention derived from recent physiological studies performed in symptomatic patients with mild COPD.

PMID:
24214364
DOI:
10.1007/s40265-013-0145-9
[Indexed for MEDLINE]

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