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Level of asthma control and its relationship with medication use in asthma patients in Brazil

OBJECTIVE: To assess asthma patients in Brazil in terms of the level of asthma control, compliance with maintenance treatment, and the use of rescue medication. METHODS: We used data from a Latin American survey of a total of 400 asthma patients in four Brazilian state capitals, all of whom complete...

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Detalles Bibliográficos
Autores principales: Marchioro, Josiane, Gazzotti, Mariana Rodrigues, Nascimento, Oliver Augusto, Montealegre, Federico, Fish, James, Jardim, José Roberto
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Sociedade Brasileira de Pneumologia e Tisiologia 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4263329/
https://www.ncbi.nlm.nih.gov/pubmed/25410836
http://dx.doi.org/10.1590/S1806-37132014000500004
Descripción
Sumario:OBJECTIVE: To assess asthma patients in Brazil in terms of the level of asthma control, compliance with maintenance treatment, and the use of rescue medication. METHODS: We used data from a Latin American survey of a total of 400 asthma patients in four Brazilian state capitals, all of whom completed a questionnaire regarding asthma control and treatment. RESULTS: In that sample, the prevalence of asthma was 8.8%. Among the 400 patients studied, asthma was classified, in accordance with the Global Initiative for Asthma criteria, as controlled, partially controlled, and uncontrolled in 37 (9.3%), 226 (56.5%), and 137 (34.3%), respectively. In those three groups, the proportion of patients on maintenance therapy in the past four weeks was 5.4%, 19.9%, and 41.6%, respectively. The use of rescue medication was significantly more common in the uncontrolled asthma group (86.9%; p < 0.001). CONCLUSIONS: Our findings suggest that, in accordance with the established international criteria, asthma is uncontrolled in the vast majority of asthma patients in Brazil. Maintenance medications are still underutilized in Brazil, and patients with partially controlled or uncontrolled asthma are more likely to use rescue medications and oral corticosteroids.