Abstract
Cerebral vasospasm remains a major cause of morbidity and mortality in patients with SAH. Although many pharmacologic agents and chemicals have been used to prevent and treat CV, the pathogenesis of that condition has not been established. We investigated the efficacy of resveratrol, a stilbene polyphenol and tyrosine kinase inhibitor that occurs naturally in grapes and red wine, in a murine basilar artery vasospasm model. Forty-two Wistar albino rats were used in this study. The rats were divided into 3 groups of 14 animals each: the sham-operated control group (group 1), the vasospasm group (group 2), and the treatment group (group 3). In groups 2 and 3, autologous blood (0.3 mL) was injected into the cisterna magna. After that injection, the rats in group 3 received an intravenous injection of resveratrol (10 mg/kg) for 72 hours. The evaluation of the response to both the injection of autologous blood and treatment was based on biochemical markers in tissue and serum and on light microscopic findings from the basilar artery, which were collected at different intervals after experimental SAH. Endothelin-1 levels in brain tissue and serum were higher in the vasospasm group than in the control group (P < .05). In group 3 rats, ...Continue Reading
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