Does tiotropium lower exacerbation and hospitalization frequency in COPD patients: results of a meta-analysis

摘要

BackgroundInternational guidelines recommend long-acting bronchodilators in patients who remain symptomatic despite adequate treatment with short-acting bronchodilators. The purpose of this study is to estimate the effect of tiotropium, a long-acting anticholinergic inhalant, on exacerbation and hospitalisation frequency.