Occupational Asthma Reference

Romero-Mesones C, Ojanguren I, Espejo D, Granados G, González-Barcala F, Cruz M, Muñoz X, Influence of the environment on the characteristics of asthma, Sci Rep, 2022;12:20522,https://doi.org/10.1038/s41598-022-25028-1
(Plain text: Romero-Mesones C, Ojanguren I, Espejo D, Granados G, Gonzalez-Barcala F, Cruz M, Munoz X, Influence of the environment on the characteristics of asthma, Sci Rep)

Keywords: Spain, urban, rural, asthma, ep,

Known Authors

Maria Jesus Cruz, Barcelona Maria Jesus Cruz

Xavier Munoz, Barcelona Xavier Munoz

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Abstract

Few studies have compared the prevalence of asthma in urban and rural settings or explored the issue of whether these two manifestations of the disease may represent different phenotypes. The aim of this study was: (a) to establish whether the prevalence of asthma differs between rural and urban settings, and b) to identify differences in the clinical presentation of asthma in these two environments. Descriptive epidemiological study involving individuals aged 18 or over from a rural (n?=?516) and an urban population (n?=?522). In the first phase, individuals were contacted by letter in order to organize the administration of a first validated questionnaire (Q1) designed to establish the possible prevalence of bronchial asthma. In the second phase, patients who had presented association patterns in the set of variables related to asthma in Q1 completed a second validated questionnaire (Q2), designed to identify the characteristics of asthma. According to Q1, the prevalence of asthma was 15% (n?=?78) and 11% (n?=?59) in rural and urban populations respectively. Sixty-five individuals with asthma from the rural population and all 59 individuals from the urban population were contacted and administered the Q2. Thirty-seven per cent of the individuals surveyed had previously been diagnosed with bronchial asthma (35% in the rural population and 40% in the urban setting). In the urban asthmatic population there was a predominance of women, a greater personal history of allergic rhinitis and a family history of allergic rhinitis and/or eczema. Asthma was diagnosed in adulthood in 74.8% of the patients, with no significant differences between the two populations. Regarding symptoms, cough (morning, daytime and night) and expectoration were more frequent in the urban population. The prevalence of asthma does not differ between urban and rural settings. The differences in exposure that characterize each environment may lead to different manifestations of the disease and may also affect its severity.

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no real occupational risk assessment
12/3/2022

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