Effects of lidocaine infusion during experimental endotoxemia in horses

Journal of Veterinary Internal Medicine
J R PeiróC A A Valadão

Abstract

The clinical efficacy of IV infusion of lidocaine for treatment of equine endotoxemia has not been studied. Lidocaine infusion after exposure to lipopolysaccharide (LPS) will inhibit the inflammatory response and have inhibitory effects on the hemodynamic and cytokine responses to endotoxemia. Twelve horses. Two equal groups (n=6): saline (GI) and lidocaine (GII). In all animals, endotoxin (500 ng/kg body weight [BW]) was injected intraperitoneally over 5 minutes. Twenty minutes later, animals received a bolus of GI or GII (1.3 mg/kg BW) over 5 minutes, followed by a 6-hour continuous rate infusion of GI or GII (0.05 mg/kg BW/min). Treatment efficacy was judged from change in arterial blood pressure, peripheral blood and peritoneal fluid (PF) variables (total and differential cell counts, enzyme activities, and cytokine concentrations), and clinical scores (CS) for behavioral evidence of abdominal pain or discomfort during the study. Compared with the control group, horses treated with lidocaine had significantly lower CS and serum and PF tumor necrosis factor-alpha (TNF-alpha) activity. At several time points in both groups, total and differential cell counts, glucose, total protein and fibrinogen concentrations, and alkaline ...Continue Reading

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Citations

Feb 2, 2016·Journal of the American Veterinary Medical Association·Luca Bellini, Christopher J Seymour
Oct 22, 2015·Journal of Veterinary Emergency and Critical Care·Emil OlsenPia Haubro Andersen
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