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Revista chilena de enfermedades respiratorias

On-line version ISSN 0717-7348

Abstract

SANDOVAL A, CHRISTIAN et al. Short term effects of acute exacerbations in COPD patients. Rev. chil. enferm. respir. [online]. 2009, vol.25, n.2, pp.83-90. ISSN 0717-7348.  http://dx.doi.org/10.4067/S0717-73482009000200004.

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.

Keywords : Chronic obstructive lung disease; acute exacerbations; FEV1; six-min walking distance; BODE index.

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