Inhaled Corticosteroids in Chronic Obstructive Pulmonary Disease (original) (raw)

Proceedings of The American Thoracic Society, 2007

Abstract

The effectiveness of inhaled corticosteroids (ICS) in patients with chronic obstructive pulmonary disease (COPD) remains controver- sial. Randomized controlled trials, meta-analyses, medication with- drawal studies, and observational reports have examined this ques- tion, with mixed results. Observational studies have been subject to criticism because of study design involving immortal time bias. Some randomized controlled trials suggest small benefits in lung

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