RESUMO
PURPOSE: We studied the antiinflammatory effect of topical Ketorolac-Tromethamine on a model of endotoxin-induced uveitis in albino rabbits. METHODS: Endotoxin-induced uveitis was produced by intravitreal injection in the right eye of 10 ng lipopolysaccharide (LPS) A Salmonella typhimurium endotoxin in 5 microl saline solution. We have used 60 animals (5 groups of 12 animals each). Control group (G-I) was injected with saline (5 microl); endotoxin group (G-II) was injected with 10 ng of endotoxin; groups III, IV and V were injected with the same amount of endotoxin and treated with topical ketorolac-tromethamine every 6, 4 and 2 hours respectively. The animals were sacrificed 24 hours after endotoxin administration. We determined the ocular clinical signs and inflammatory cells and protein concentration in the aqueous humor. RESULTS: In all the groups treated with Ketorolac-Tromethamine we observed a significant reduction (p<0.05) in all parameters studied when compared with those of the endotoxin group (G-II). CONCLUSION: Topical Ketorolac-Tromethamine has demonstrated a significant reduction of endotoxin-induced-uveitis inflammation.
