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Impact of frequency of COPD exacerbations on pulmonary function, health status and clinical outcomes
BACKGROUND: COPD exacerbations are responsible for the morbidity and mortality of this disease. The relationship between exacerbations and patient-related clinical outcomes is not clearly understood. METHODS: A retrospective analysis of two 1-year, placebo-controlled clinical trials with tiotropium...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Dove Medical Press
2009
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2719254/ https://www.ncbi.nlm.nih.gov/pubmed/19657398 |