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

Abstract:

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. Methods:A cross-sectional epidemiological survey of a female population aged >35 years was performed using a multistage cluster sampling strategy. The participants completed questionnaires on RS and COPD risk factors. The COPD prevalence was based on the postbronchodilator forced expiratory volume in the first second (FEV1)/forced vital capacity (FVC) ratio. Of the 1,333 women who completed the respiratory questionnaires, spirometry data were obtained from 1,190, and 969 of these were scored as A-C. Results:The prevalence of BSE was 47%, and the estimated prevalence of COPD was 2.5% for the total population (n=969) and 3.1% for those with BSE only. The spirometry and oximetry values were significantly lower in women with greater exposure levels. The prevalence of RS (cough, phlegm, wheezing and dyspnea) was significantly higher in the women with BSE compared to those without exposure. We concluded that the association of COPD with biomass exposure is not only a rural phenomenon but also may be observed in the suburban areas of the big cities.

authors

Ramírez-Venegas A,Velázquez-Uncal M,Pérez-Hernández R,Guzmán-Bouilloud NE,Falfán-Valencia R,Mayar-Maya ME,Aranda-Chávez A,Sansores RH

doi

10.2147/COPD.S156409

subject

Has Abstract

pub_date

2018-05-25 00:00:00

pages

1727-1734

eissn

1176-9106

issn

1178-2005

pii

copd-13-1727

journal_volume

13

pub_type

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