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Comparação do nível de atividade física na vida diária entre pacientes portadores da Doença Pulmonar Obstrutiva Crônica (DPOC) com e sem atividade profissional

Comparison of physical activity level in daily life between patients with Chronic Obstructive Pulmonary Disease with and without professional activity

Thaís Jordão Perez Sant’Anna, Andréa Daiane Fontana, Natália Helena de Oliveira, Vanessa Suziani Probst, Antonio Fernando Brunetto, Fábio de Oliveira Pitta

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Resumo

Introdução: Estudos sugerem que portadores da Doença Pulmonar Obstrutiva Crônica (DPOC) apresentam sintomas que podem limitar a capacidade de trabalhar. A literatura internacional sugere que o vínculo empregatício está relacionado com o nível de atividade física e a qualidade de vida destes pacientes, evidenciando o fato de que a aposentadoria leva à redução destas variáveis. Porém, esses estudos foram realizados em populações internacionais e não se sabe se seus resultados se aplicam aos pacientes brasileiros, que apresentam características sócio-econômicas diferentes de populações européias e americanas. Objetivos: Comparar o nível de atividade física na vida diária (AFVD) em portadores de DPOC brasileiros com e sem atividade profissional e avaliar o impacto desta atividade em vários aspectos da doença. Métodos: Neste estudo transversal, 35 pacientes com DPOC (12H, 67±8 anos, VEF1 46±16%pred.) tiveram o nível de AFVD avaliado objetivamente por 2 monitores de atividade física: DynaPort (McRoberts, Holanda) e Sensewear Armband (BodyMedia, EUA). Também foram realizados espirometria, teste da caminhada de 6 minutos (TC6min), avaliação da composição corporal, força muscular e qualidade de vida, além de uma entrevista composta por questões sobre grau de escolaridade, status socioeconômico, presença de comorbidades e histórico de trabalho, entre outras. Baseado nos dados obtidos na entrevista, os pacientes foram divididos em 2 grupos: com e sem atividade profissional. Resultados: Não houve diferença no nível de AFVD entre os grupos (p>0.05 para todas as variáveis dos monitores). O grupo com atividade profissional apresentou maior TC6min, força de bíceps braquial, tríceps braquial e preensão palmar (p≤0.05 para todos) e tendência a maior força de quadríceps (p=0.09). Conclusão: Pacientes brasileiros com DPOC que mantêm atividade profissional não são mais ativos na vida diária do que pacientes que não trabalham, apesar de apresentarem melhor condicionamento físico.

Palavras-chave

Emprego, aposentadoria, sintomas, Doença Pulmonar Obstrutiva Crônica, atividade física.

Abstract

Introduction: Different studies suggest that people with Chronic Obstructive Pulmonary Disease (COPD) present symptoms that can restrict work capacity. International literature shows that employment is related to physical activity level and quality of life in these patients, suggesting that retirement leads to reduction of these outcomes. Nevertheless, these studies were performed in international samples and it is not certain whether their results are reproduced in Brazilian COPD patients. Objectives: To compare the level of physical activity in daily life (PADL) in Brazilian patients with COPD with and without professional activity and to analyze the impact of this activity in different aspects of disease. Methods: In this cross-sectional study, 35 patients with COPD (12 men, 67±8 years, FEV1 46±16% predicted) had PADL objectively measured with 2 activity monitors: DynaPort (McRoberts, The Netherlands) and Sensewear Armband (BodyMedia, Unites States of America). Patients also performed spirometry, six-minute walking test (6MWT), assessment of body composition, muscle strength and quality of life, besides an interview with questions about education level, socioeconomic status, comorbidity presence, work history, etc. According to data collected from this interview, patients were divided in 2 groups: with and without professional activity. Results: There was no difference in PADL level between the two groups (p>0.05 for all monitor variables). The group with professional activity showed better 6MWT, braquial biceps and triceps strength, handgrip force (p≤0.05 for all), besides a trend for better quadriceps force (p=0.09). Conclusion: Brazilian patients with COPD with professional activity are not more active in daily life when compared to patients without professional activity, although they have better physical conditioning.

Keywords

Employment, retirement, symptoms, Chronic Obstructive Pulmonary Disease, physical activity.

Referências

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