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Review: long acting β2 agonists and inhaled corticosteroids reduce exacerbations in chronic obstructive pulmonary disease

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Q What are the effects of common treatments for chronic obstructive pulmonary disease (COPD) on patient outcomes?


Embedded ImageData sources:

Medline (1980 to 1 May 2002), Cochrane Database of Systematic Reviews, bibliographies of published articles, and experts.

Embedded ImageStudy selection and assessment:

English language randomised controlled trials (RCTs) with ⩾3 months of follow up in adults with COPD that assessed long acting (LA) β2 agonists (β2As); LA inhaled anticholinergics (tiotropium); combined short acting (SA) β2As and SA anticholinergics; inhaled corticosteroids; combined inhaled corticosteroids and …

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  • * Information provided by author.

  • For correspondence: Dr D D Sin, James Hogg iCAPTURE Centre for Pulmonary and Cardiovascular Research, Vancouver, British Columbia, Canada.

  • Sources of funding: Canadian Institutes of Health Research and Alberta Heritage Foundation for Medical Research.