期刊
JOURNAL OF CYSTIC FIBROSIS
卷 9, 期 3, 页码 193-198出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcf.2010.01.005
关键词
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资金
- Cystic Fibrosis Trust
- Medical Research Council [G9313618]
Background: Adequate monitoring of cystic fibrosis lung disease is difficult. CF exacerbation offers a unique setting to test the utility of biomarkers in the assessment of changing airways inflammation. We hypothesised that levels of calprotectin in sputum (and serum) would change informatively following treatment of an exacerbation. Methods: 27 patients with CF were recruited at onset of pulmonary exacerbation. Sputum and serum were collected at the start and end of antibiotic therapy. Sputum calprotectin, interleukin-8 (IL8), and myeloperoxidase (MPO) were measured, as were serum calprotectin, CRP and vascular endothelial growth factor (VEGF). Results: Sputum calprotectin decreased following treatment of an exacerbation (p<0.05), and was superior to other sputum markers. Serum calprotectin, CRP, and VEGF also decreased significantly (p=0.002, p=0.002, p=0.013 respectively). Serum calprotectin level following treatment had predictive value for time to next exacerbation (p=0.032). Conclusions: This study demonstrates the superiority of calprotectin (in sputum and serum) as a biomarker of CF exacerbation over better-established markers. (C) 2010 European Cystic Fibrosis Society. Published by Elsevier B.V. All rights reserved.
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