Inhaler use in adolescents and adults with self-reported physician-diagnosed asthma, bronchitis, or emphysema in the city of Pelotas, Brazil

J Bras Pneumol. 2013 May-Jun;39(3):287-95. doi: 10.1590/S1806-37132013000300005.
[Article in English, Portuguese]

Abstract

Objective: To evaluate the characteristics of users of inhalers and the prevalence of inhaler use among adolescents and adults with self-reported physician-diagnosed asthma, bronchitis, or emphysema.

Methods: A population-based study conducted in the city of Pelotas, Brazil, involving 3,670 subjects ≥ 10 years of age, evaluated with a questionnaire.

Results: Approximately 10% of the sample reported at least one of the respiratory diseases studied. Among those individuals, 59% reported respiratory symptoms in the last year, and, of those, only half reported using inhalers. The use of inhalers differed significantly by socioeconomic status (39% and 61% for the lowest and the highest, respectively, p = 0.01). The frequency of inhaler use did not differ by gender or age. Among the individuals reporting emphysema and inhaler use, the use of the bronchodilator-corticosteroid combination was more common than was that of a bronchodilator alone. Only among the individuals reporting physician-diagnosed asthma and current symptoms was the proportion of inhaler users higher than 50%.

Conclusions: In our sample, inhalers were underutilized, and the type of medication used by the individuals who reported emphysema does not seem to be in accordance with the consensus recommendations.

OBJETIVO:: Avaliar as características dos usuários de dispositivos inalatórios e a prevalência de uso desses em adolescentes e adultos com diagnóstico médico autorreferido de asma, bronquite ou enfisema.

MÉTODOS:: Estudo de base populacional realizado em Pelotas, RS, incluindo 3.670 indivíduos com idade ≥ 10 anos, avaliados com um questionário.

RESULTADOS:: Aproximadamente 10% da amostra referiram pelo menos uma das doenças respiratórias investigadas. Entre esses, 59% apresentaram sintomas respiratórios no último ano, e, desses, apenas metade usou inaladores. O uso de inaladores diferiu significativamente de acordo com o nível socioeconômico (39% e 61% entre mais pobres e mais ricos, respectivamente; p = 0,01). Não houve diferença na frequência de uso de inaladores por sexo ou idade. Entre indivíduos com enfisema, o uso da combinação broncodilatador + corticoide inalatório foi mais frequente que o uso isolado de broncodilatador. Somente entre os indivíduos que referiram diagnóstico médico de asma e sintomas atuais, a proporção de uso de inaladores foi maior que 50%.

CONCLUSÕES:: Em nossa amostra, os inaladores foram subutilizados, e o tipo de medicamento usado por aqueles que referiram enfisema parece não estar de acordo com o preconizado em consensos sobre essa doença.

MeSH terms

  • Adolescent
  • Adrenal Cortex Hormones / therapeutic use*
  • Adult
  • Asthma / drug therapy
  • Asthma / epidemiology
  • Bronchitis / drug therapy
  • Bronchitis / epidemiology
  • Bronchodilator Agents / therapeutic use
  • Child
  • Emphysema / drug therapy
  • Emphysema / epidemiology
  • Female
  • Humans
  • Lung Diseases, Obstructive / drug therapy*
  • Lung Diseases, Obstructive / epidemiology
  • Middle Aged
  • Nebulizers and Vaporizers / statistics & numerical data*
  • Socioeconomic Factors
  • Surveys and Questionnaires
  • Young Adult

Substances

  • Adrenal Cortex Hormones
  • Bronchodilator Agents