Tumor necrosis factor in septicemic melioidosis.
Plasma concentrations of the cytokine tumor necrosis factor ( TNF) were measured serially in 91 patients suspected of having septicemic melioidosis. This was confirmed in 55. TNF was detectable in admission plasma (TNF0) in 3 of 15 survivors of septicemic melioidosis and 21 of 26 fatal cases (P less than .001). The median (range) TNF0 concentration in melioidosis patients who died was 96 (1-4774) pg/ml, and the median time to death was 25 (5-672) h. TNF0 was inversely correlated with the lowest mean arterial pressure in the succeeding 12 h (Spearman's rank correlation coefficient = .67, 2P less than .001). Three patterns of TNF plasma concentrations were evident: relatively constant values between 100 and 500 pg/ml (n = 7), high admission concentrations (greater than 1000 pg/ml) associated with early death (n = 4), and an apparent pulse release after treatment, with peak values greater than 1000 pg/ml, which then declined with a mean (SD) apparent half-time of 131 (50) min (n = 8). Further studies are necessary to determine whether TNF contributes to lethality in melioidosis.[1]References
- Tumor necrosis factor in septicemic melioidosis. Suputtamongkol, Y., Kwiatkowski, D., Dance, D.A., Chaowagul, W., White, N.J. J. Infect. Dis. (1992) [Pubmed]
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