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Systemic cytokine levels in community-acquired pneumonia and their association with disease severity

Antunes, G., Evans, S.A., Lordan, J.L. and Frew, A.J. (2002) Systemic cytokine levels in community-acquired pneumonia and their association with disease severity European Respiratory Journal, 20, (4), pp. 990-995. (doi:10.1183/09031936.02.00295102).

Record type: Article


Pro-inflammatory and anti-inflammatory cytokines are important mediators in the host response to infection. In contrast to the pro-inflammatory cytokines little is known about anti-inflammatory cytokines in community-acquired pneumonia (CAP) and their relation to disease severity.
Circulating levels of three pro-inflammatory cytokines (interleukin (IL)-1ß, IL-6 and tumour necrosis factor (TNF)-) and two anti-inflammatory cytokines (IL-10, IL-1 receptor antagonist (IL-1ra)) were measured using an enzyme immunoassay on admission, day 3 and day 5 in 24 patients with CAP. The modified British Thoracic Society (BTS) prognostic rule and Acute Physiology and Chronic Health Evaluation (APACHE) II score were used to assess disease severity.
IL-6, TNF-, IL-10 and IL-1ra concentrations were detected in most patients on admission and decreased significantly on day 3 and day 5 in all survivors. A significant difference between the BTS high-risk and low-risk groups was only found for IL-6 (median (range) 477 pg·mL–1 (7.6–1402 pg·mL–1) versus 81.6 pg·mL–1 (0–943 pg·mL–1); p<0.05). IL-6 also correlated with the APACHE II scores on admission.
Concentrations of anti-inflammatory cytokines were elevated on admission in community-acquired pneumonia but they did not correlate with disease severity scores.

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Published date: 2002
Keywords: community-acquired, pneumonia, cytokines, disease severity score


Local EPrints ID: 26908
ISSN: 0903-1936
PURE UUID: e308362c-21fb-440e-9998-74c47137cc27

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Date deposited: 25 Apr 2006
Last modified: 17 Jul 2017 16:06

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Author: G. Antunes
Author: S.A. Evans
Author: J.L. Lordan
Author: A.J. Frew

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