Tumor necrosis factor α and interleukin 1β in synovial fluid of infants and children with suppurative arthritis

X. Saez-Llorens, M. M. Mustafa, O. Ramilo, C. Fink, B. Beutler, J. D. Nelson

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Abstract

Tumor necrosis factor α and interleukin 1β concentrations were measured in synovial fluid of 24 infants and children with diagnosis of suppurative arthritis (n = 16) and other kinds of arthritis (n = 8). Large concentrations of tumor necrosis factor α (range, 100 to 85000 pg/mL) were found in 12 (75%) of 16 patients with bacterial infection and in none of the patients with noninfectious origins. Large concentrations of interleukin 1β (> 200 pg/mL) were found in 15 (94%) of 16 patients with bacterial infection and in none of the other patients. In the latter group, small concentrations of interleukin 1 (range, 40 to 120 pg/mL) were present in 5 (63%) of 8 patients. Serum samples obtained simultaneously were negative for both cytokines. Tumor necrosis factor α and interleukin 1β concentrations correlated significantly and with leukocyte counts in synovial fluid. We conclude that large concentrations of tumor necrosis factor α and interleukin 1β are produced locally in patients with suppurative arthritis and they may be potentially useful in differentiating this condition from other kinds of arthritis.

Original languageEnglish (US)
Pages (from-to)353-356
Number of pages4
JournalAmerican Journal of Diseases of Children
Volume144
Issue number3
StatePublished - 1990

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Infectious Arthritis
Synovial Fluid
Interleukin-1
Tumor Necrosis Factor-alpha
Bacterial Infections
Arthritis
Leukocyte Count
Cytokines
Serum

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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Tumor necrosis factor α and interleukin 1β in synovial fluid of infants and children with suppurative arthritis. / Saez-Llorens, X.; Mustafa, M. M.; Ramilo, O.; Fink, C.; Beutler, B.; Nelson, J. D.

In: American Journal of Diseases of Children, Vol. 144, No. 3, 1990, p. 353-356.

Research output: Contribution to journalArticle

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