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Factors related to the incorrect use of inhalers by asthma patients / Fatores relacionados ao uso incorreto dos dispositivos inalatórios em pacientes asmáticos
Dalcin, Paulo de Tarso Roth; Grutcki, Denis Maltz; Laporte, Paola Paganella; Lima, Paula Borges de; Menegotto, Samuel Millan; Pereira, Rosemary Petrik.
  • Dalcin, Paulo de Tarso Roth; Federal University of Rio Grande do Sul. School of Medicine. Porto Alegre. BR
  • Grutcki, Denis Maltz; Federal University of Rio Grande do Sul. School of Medicine. Porto Alegre. BR
  • Laporte, Paola Paganella; Federal University of Rio Grande do Sul. School of Medicine. Porto Alegre. BR
  • Lima, Paula Borges de; Federal University of Rio Grande do Sul. School of Medicine. Porto Alegre. BR
  • Menegotto, Samuel Millan; Federal University of Rio Grande do Sul. School of Medicine. Porto Alegre. BR
  • Pereira, Rosemary Petrik; Federal University of Rio Grande do Sul. School of Medicine. Porto Alegre. BR
J. bras. pneumol ; 40(1): 13-20, jan-feb/2014. tab, graf
Article in English | LILACS | ID: lil-703611
ABSTRACT
OBJECTIVE: To evaluate inhaler technique in outpatients with asthma and to determine associations between the correctness of that technique and the level of asthma control. METHODS: This was a cross-sectional study involving patients > 14 years of age with physician-diagnosed asthma. The patients were recruited from the Asthma Outpatient Clinic of the Hospital de Clínicas de Porto Alegre, in the city of Porto Alegre, Brazil. The patients completed two questionnaires (a general questionnaire and an asthma control questionnaire based on the 2011 Global Initiative for Asthma guidelines), demonstrated their inhaler technique, and performed pulmonary function tests. Incorrect inhaler technique was defined as the incorrect execution of at least two of the predefined steps. RESULTS: We included 268 patients. Of those, 81 (30.2%) showed incorrect inhaler technique, which was associated with poor asthma control (p = 0.002). Logistic regression analysis identified the following factors associated with incorrect inhaler technique: being widowed (OR = 5.01; 95% CI, 1.74-14.41; p = 0.003); using metered dose inhalers (OR = 1.58; 95% CI, 1.35-1.85; p < 0.001); having a monthly family income < 3 times the minimum wage (OR = 2.67; 95% CI, 1.35-1.85; p = 0.008), and having > 2 comorbidities (OR = 3.80; 95% CI, 1.03-14.02; p = 0.045). CONCLUSIONS: In the sample studied, incorrect inhaler technique was associated with poor asthma control. Widowhood, use of metered dose inhalers, low socioeconomic level, and the presence of > 2 comorbidities were associated with incorrect inhaler technique. .
RESUMO
OBJETIVO: Avaliar a técnica inalatória em pacientes com asma atendidos ambulatorialmente, estabelecendo associações dessa com o grau de controle da doença. MÉTODOS: Estudo transversal envolvendo pacientes com idade > 14 anos e diagnóstico médico de asma, recrutados no Ambulatório de Asma do Hospital de Clínicas de Porto Alegre, na cidade de Porto Alegre (RS). Os pacientes completaram dois questionários (um geral e um questionário de controle da asma baseado nas diretrizes da Global Initiative for Asthma de 2011). Os pacientes demonstraram a técnica inalatória e realizaram testes de função pulmonar. A técnica inalatória incorreta foi definida como a execução incorreta de pelo menos duas etapas da avaliação. RESULTADOS: Foram incluídos 268 pacientes. Desses, 81 (30,2%) apresentaram técnica inalatória incorreta, que foi associada com falta de controle da asma (p = 0,002). A regressão logística identificou os seguintes fatores associados com a técnica inalatória incorreta: ser viúvo (OR = 5,01; IC95%, 1,74-14,41; p = 0,003); utilizar inalador pressurizado (OR = 1,58; IC95%, 1,35-1,85; p < 0,001); ter renda familiar mensal < 3 salários mínimos (OR = 2,67; IC95%, 1,35-1,85; p = 0,008); e ter > 2 comorbidades (OR = 3,80; IC95%, 1,03-14,02; p = 0,045). CONCLUSÕES: Na amostra estudada, a técnica inalatória incorreta se associou com a falta de controle da asma. Viuvez, uso de inalador pressurizado, baixo nível socioeconômico e presença de > 2 comorbidades se associaram à técnica inalatória incorreta. .
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Respiratory Therapy / Asthma / Nebulizers and Vaporizers Type of study: Practice guideline / Observational study / Prevalence study / Prognostic study / Qualitative research / Risk factors Limits: Adult / Aged / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Sul/BR

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Full text: Available Index: LILACS (Americas) Main subject: Respiratory Therapy / Asthma / Nebulizers and Vaporizers Type of study: Practice guideline / Observational study / Prevalence study / Prognostic study / Qualitative research / Risk factors Limits: Adult / Aged / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: J. bras. pneumol Journal subject: Pulmonary Disease (Specialty) Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Rio Grande do Sul/BR