Abstract:
BACKGROUND AND OBJECTIVE:It is known that biomarkers of systemic inflammation are raised in COPD caused by tobacco (T-COPD) compared with healthy controls, but there is less information on the inflammatory status of subjects with COPD caused by biomass smoke (B-COPD). In addition, the possible (if any) differences in inflammation between both types of the disease are still not well known. The aim of this study was to assess the inflammatory profile in B-COPD and T-COPD. METHODS:A total of 20 subjects (15 men and five women) with T-COPD were matched one to one for sex, age and forced expiratory volume in 1 s (FEV1) to 20 B-COPD patients. In all, 20 sex-matched healthy subjects with normal lung function without smoking history or biomass exposure were included as controls. The following biomarkers were measured: exhaled nitric oxide, serum IL-6, IL-8, IL-5, IL-13, periostin, surfactant protein-P, TNF-α, IgE, erythrocyte sedimentation rate, C-reactive protein and fibrinogen. Complete blood count was also obtained. RESULTS:The age of the subjects was 70.2±7.9 years and FEV1% was 56.2%±14.6%. Most inflammatory biomarkers were higher in both types of COPD than in healthy controls. IL-6, IL-8 and IL-5 were significantly higher in T-COPD than in B-COPD, without other significant differences. CONCLUSION:Both types of COPD are associated with high levels of systemic inflammation biomarkers. T-COPD patients have a higher systemic inflammatory status than the patients with B-COPD.
journal_name
Int J Chron Obstruct Pulmon Disauthors
Golpe R,Martín-Robles I,Sanjuán-López P,Pérez-de-Llano L,González-Juanatey C,López-Campos JL,Arellano-Orden Edoi
10.2147/COPD.S141068subject
Has Abstractpub_date
2017-09-01 00:00:00pages
2639-2646eissn
1176-9106issn
1178-2005pii
copd-12-2639journal_volume
12pub_type
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