Pro-inflammatory cytokines IL6, TNF-alpha, IL1beta, procalcitonin, lipopolysaccharide binding protein and C-reactive protein in infective endocarditis.

Richard Watkin, LV Harper, AB Vernallis, S Lang, PA Lambert, Aaron Ranasinghe, Thomas Elliott

Research output: Contribution to journalArticle

43 Citations (Scopus)

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-alpha (TNF-alpha), interleukin 1-beta (IL1beta), procalcitonin (PCT), lipopolysaccharide binding protein (LBP) and C-reactive protein (CRP). RESULTS: Serum levels of IL6, IL1beta and CRP were significantly elevated in patients with IE as compared to controls. PCT, TNF-alpha 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.
Original languageEnglish
Pages (from-to)220-5
Number of pages6
JournalJournal of Infection
Volume55
Issue number3
DOIs
Publication statusPublished - 1 Sept 2007

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