Abstract

Levels of plasma tumour necrosis factor-α (TNF-α) were determined consecutively in 42 patients with burns > 20 per cent of the total body surface area using an enzyme-linked immunosorbent assay. In the early period after injury (including the period of burn shock), 24 patients had detectable TNF-α levels in their plasma. However, the plasma TNF-α levels at the time of admission were very low and did not correlate with the extent of the burn or the prognosis. In contrast, the maximum plasma TNF-α level over the whole clinical course was significantly correlated with the area of the burn and the prognosis. No correlation was found between the plasma TNF-α and plasma endotoxin levels. TNF-α may be produced locally in infected burns and monitoring of plasma TNF-α levels may be a useful prognostic indicator for burns patients.

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