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  • Title: Study of septic shock in the non-human primate: relationship of pathophysiological response to therapy with anti-TNF antibody.
    Author: Hinshaw LB, Emerson TE, Chang AC, Duerr M, Peer G, Fournel M.
    Journal: Circ Shock; 1994 Dec; 44(4):221-9. PubMed ID: 7628065.
    Abstract:
    Therapy with anti-TNF antibody is reported to be effective in preventing morbidity and mortality in baboons given lethal infusions of Escherichia coli. Treated animals survived, and organ histopathology was absent when antibody was administered early after lethal infusions of E. coli. The present study explored the relationship between antibody dosage, pathophysiology, and survivability from shock. When antibody dose was decreased lungs, kidneys, adrenals, spleen, and liver were injured as shown by increased vascular congestion, hemorrhage, edema, and necrosis of tissues. Survival was also affected. All animals treated with 15 mg/kg antibody survived as reported earlier; less than 60% survived with 7.5 mg/kg; 9% survived with 5.0 mg/kg, and all died with 1.5 mg/kg. Serum concentrations of interleukin-6 (IL-6) increased markedly as dose of antibody decreased. The increases in concentrations of IL-6 were associated with increases in morbidity and mortality following E. coli administration.
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