Bronchodilators for hyperinflation in COPD associated with biomass smoke: clinical trial.

Introduction: The efficacy of long-acting bronchodilators for COPD associated with biomass (BE-COPD) has not been properly evaluated.

Objective: To determine the acute effect of indacaterol (IND) 150 μg q.d and tiotropium (TIO) 18 μg q.

Prevalence of COPD and respiratory symptoms associated with biomass smoke exposure in a suburban area.

Introduction: Biomass smoke exposure (BSE) is a recognized cause of COPD particularly in rural areas. However, little research has been focused on BSE in suburban areas.

Objective: The aim of this study was to determine the prevalence of COPD, respiratory symptoms (RS) and BSE in women living in a suburban area of Mexico City exposed to BSE.