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  • Title: Use of respiratory medication in five Latin American cities: The PLATINO study.
    Author: Montes de Oca M, Tálamo C, Perez-Padilla R, Lopez MV, Muiño A, Jardim JR, Valdivia G, Pertuzé J, Moreno D, Halbert RJ, Menezes AM, PLATINO Team.
    Journal: Pulm Pharmacol Ther; 2008 Oct; 21(5):788-93. PubMed ID: 18621136.
    Abstract:
    BACKGROUND: There is scanty information regarding respiratory medication prescription pattern in Latin America. We examined the use of bronchodilators and corticosteroids in a population-based study conducted in five Latin American cities. METHODS: Medication use was derived from questions regarding the use of medication "to help breathing" within the previous 12 months, type of medicine, and frequency of use. To minimize the possibility of overdiagnosis, we used postbronchodilator FEV(1)/FVC<0.70 plus FEV(1)<80% as the definition of obstruction. RESULTS: Interviews were completed in 5571 subjects from 6711 eligible individuals, and spirometry was performed in 5314 subjects. There were 360 (6.5%) treated subjects and 5211 not treated. Treated subjects were more likely to be older, women, unemployed, have higher tobacco consumption, higher body mass index, higher FEV(1) reversibility and airway obstruction. They were also more likely to report prior spirometry, prior diagnosis of COPD, asthma or tuberculosis, and more respiratory symptoms. Over half of treated subjects had neither obstruction nor FEV(1) reversibility, and approximately 30% reported no prior diagnosis of asthma or COPD. Prior respiratory diagnoses and wheezing were more strongly associated with treatment than objective measures of airway obstruction. CONCLUSIONS: The use of bronchodilators and/or corticosteroids is common in the general population aged 40 years or older, with over one-half of treated subjects using them without being obstructed.
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