Pro-inflammatory cytokines IL6, TNF-α, IL1β, procalcitonin, lipopolysaccharide binding protein and C-reactive protein in infective endocarditis

R.W. Watkin, L.V. Harper, Ann B. Vernallis, S. Lang, Peter A. Lambert, A.M. Ranasinghe, Tom S.J. Elliott

Research output: Contribution to journalArticle

Abstract

Objective: To evaluate the serum levels and diagnostic value of cytokines and acute phase proteins in patients with infective endocarditis (IE). Patients and methods: Serum samples from 63 patients diagnosed with IE and 71 control patients were analysed for the following markers: interleukin-6 (IL6), tumour necrosis factor-α (TNF-α), interleukin 1-β (IL1β), procalcitonin (PCT), lipopolysaccharide binding protein (LBP) and C-reactive protein (CRP). Results: Serum levels of IL6, IL1β and CRP were significantly elevated in patients with IE as compared to controls. PCT, TNF-α and LBP were not elevated. Conclusion: Serum CRP and IL6 are elevated in IE. IL 6 may aid in establishing the diagnosis. There was no correlation between IL 6 levels and CRP, causative microorganism, echocardiographic features or outcome. © 2007 The British Infection Society.

Original languageEnglish
Pages (from-to)220-225
Number of pages6
JournalJournal of Infection
Volume55
Issue number3
DOIs
Publication statusPublished - Sep 2007

Keywords

  • acute phase proteins
  • cytokines
  • infective endocarditis
  • inflammatory markers

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