Journal
CRITICAL CARE MEDICINE
Volume 36, Issue 5, Pages 1603-1606Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CCM.0b013e318170ab08
Keywords
meningitis; brain injury; caspase 3; neurobehavioral performance
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Objective: To evaluate the effects of sustained caspase inhibition during the acute phase of meningitis-induced brain injury. Changes in neurobehavioral performance were the primary outcome variables. Design: Randomized prospective animal study. Setting: University research laboratory. Subjects: Male Wistar rats. Interventions: Animals underwent a basilar cistern inoculation of group B Streptococci to induce meningitis. Sixteen hours later animals were randomized to receive Bocaspartyl (OMe)-fluoromethyketone (BAF) for 4 days or placebo in addition to antibiotic therapy. The assessment of neurobehavioral performance was started 7 days after initiation of treatment and continued for the following 3 wks. A subgroup underwent early kill, at 5 days, to evaluate caspase 3 activity in brain tissue. There was a group of Sham instrumented animals. Measurements and Main Results: BAF decreased caspase 3 activation in meningitic animals. There were no significant motor deficit differences between the infected groups. Cognitive performance was significantly improved in the BAF group. Conclusion: These findings demonstrate that sustained systemic administration of BAF inhibits caspase 3 activation and decreases neurologic sequelae in a rat model of bacterial meningitis.
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