| Factors associated with uncontrolled asthma in Porto Alegre, Brazil. | |
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MedLine Citation:
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PMID: 19820883 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The prevalence of uncontrolled and controlled asthma, and the factors associated with uncontrolled asthma were investigated in a cross-sectional study. Patients aged 11 years with confirmed asthma diagnosis were recruited from the outpatient asthma clinic of Hospital de Clínicas de Porto Alegre, Brazil. Patients were excluded if they had other chronic pulmonary disease. They underwent an evaluation by a general questionnaire, an asthma control questionnaire (based on the 2006 Global Initiative for Asthma guidelines), assessment of inhaled device technique and pulmonary function tests. Asthma was controlled in 48 of 275 patients (17.5%), partly controlled in 74 (26.9%) and uncontrolled in 153 (55.6%). In the univariate analysis, asthma severity was associated with asthma control (P < 0.001). Availability of asthma medications was associated with asthma control (P = 0.01), so that most patients who could purchase medications had controlled asthma, while patients who depend on the public health system for access to medications had lower rates of controlled asthma. The use of inhaled corticosteroid was lower in the uncontrolled group (P < 0.001). Logistic regression analysis identified three factors associated with uncontrolled asthma: severity of asthma (OR = 5.33, P < 0.0001), access to medications (OR = 1.97, P = 0.025) and use of inhaled corticosteroids (OR = 0.17, P = 0.030). This study showed a high rate of uncontrolled asthma in patients who attended an outpatient asthma clinic. Severity of asthma, access to medications and adequate use of inhaled corticosteroids were associated with the degree of asthma control. |
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Authors:
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P T R Dalcin; D M Menegotto; A Zanonato; L Franciscatto; F Soliman; M Figueiredo; R P Pereira |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-10-09 |
Journal Detail:
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Title: Brazilian journal of medical and biological research = Revista brasileira de pesquisas médicas e biológicas / Sociedade Brasileira de Biofísica ... [et al.] Volume: 42 ISSN: 1414-431X ISO Abbreviation: Braz. J. Med. Biol. Res. Publication Date: 2009 Nov |
Date Detail:
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Created Date: 2009-10-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8112917 Medline TA: Braz J Med Biol Res Country: Brazil |
Other Details:
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Languages: eng Pagination: 1097-103 Citation Subset: IM |
Affiliation:
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Serviço de Pneumologia, Hospital de Clínicas de Porto Alegre, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil. pdalcin@terra.com.br |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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