Neutrophil recruitment after remote scald injury - PubMed (original) (raw)

Neutrophil recruitment after remote scald injury

J Stengle et al. J Burn Care Rehabil. 1996 Jan-Feb.

Abstract

Thermal injury is one trigger for pulmonary neutrophil recruitment. This article describes the time course of neutrophil recruitment after scald injury. Mice aged 8 to 10 weeks were anesthetized and subjected to 15% topical scald injury. Animals were put to death at 6 hours, 24 hours, 3 days, and 7 days after injury, and the pulmonary tissue harvested for staining with hematoxylin and eosin and neutrophil esterase. Cell counts for neutrophil accumulation were obtained. Control animals were handled in a comparable manner apart from the scald injury. Animals killed at 6 hours demonstrated significant neutrophil recruitment relative to the control. This difference had resolved at 24 hours. Animals killed at 3 and 7 days again demonstrated neutrophil accumulation despite normal behavior and absence of weight change from the control. Quantitative cultures of burn wounds failed to disclose infection. Scald injury was associated with significant pulmonary neutrophil recruitment that resolved at 24 hours. The presence of an untreated wound was associated with neutrophil recruitment beyond 24 hours despite outward normal behavior.

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