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Rev. chil. enferm. respir ; 25(2): 83-90, 2009. ilus, tab
Artigo em Espanhol | LILACS | ID: lil-561839

RESUMO

Acute exacerbations of COPD (AECOPD) are associated with decline of FEV1 and health related quality of life. Our aim was to evaluate the short-term effects of AECOPD on several functional and clinical indices in a cohort of 60 ex-smokers patients with COPD. During a 6-month follow up, 40 patients experienced one exacerbation (Group 1), mainly moderate, evaluated 30 days after by measuring BMI, dyspnea, FVC, FEV1, inspiratory capacity (IC), Sp02, six-min walking distance (6MWD), BODE index and quality of life (SGRQ). Values were compared with those measured at recruitment in stable conditions and with those obtained in the 20 patients without AECOPD during a similar period (Group 2). Baseline values were similar in both groups. Group 1 showed a significant worsening in FVC, FEV1, Sp02, BMI, 6MWD, and BODE index. Improvement in SGRQ and BODE was found in group 2. Significant differences in changes between groups were found for all variables, except IC and Sp02. The most noteworthy differences were found for BODE index (p = 0.001) and SGRQ (p = 0.004). Results demonstrate that moderate AECOPD produces significant short term functional and clinical impairment in ex-smokers COPD.


Las exacerbaciones de la EPOC deterioran el FEV1y la calidad de vida. Nuestro objetivo fue evaluar el efecto a corto plazo de las exacerbaciones sobre otros índices funcionales y clínicos. Sesenta pacientes ex fumadores con EPOC fueron seguidos durante 6 meses. Cuarenta presentaron una exacerbación (Grupo 1), generalmente moderada, estudiada 30 días después. los 20 pacientes no exacerbados constituyeron el grupo control (Grupo 2). Se midió IMC, disnea, CVF, FEV1h capacidad inspiratoria (CI), SpO2, caminata en 6 min (C6M), índice BODE y calidad de vida (SGRQ). En condiciones basales no hubo diferencias entre grupos. El grupo 1 empeoró CVF, VEF1, SpO2, IMC, C6M e índice BODE, sin cambios de CI ni SGRQ. El grupo 2 no presentó deterioro, mejorando SGRQ y BODE. Al comparar ambos grupos, hubo diferencias significativas en los cambios de todas las variables, excepto Cly SpO2, siendo estas diferencias más notorias en el índice BODE (p = 0,001) y SGRQ (p = 0,004). En suma, las exacerbaciones de la EPOC producen deterioro clínico y funcional significativo en el corto plazo.


Assuntos
Humanos , Masculino , Feminino , Doença Pulmonar Obstrutiva Crônica/fisiopatologia , Índice de Gravidade de Doença , Progressão da Doença , Índice de Massa Corporal , Caminhada/fisiologia , Capacidade Vital/fisiologia , Dispneia/fisiopatologia , Seguimentos , Volume Expiratório Forçado , Qualidade de Vida , Abandono do Hábito de Fumar , Espirometria , Tolerância ao Exercício/fisiologia
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