Objective To study the effects of Naotaifang extracts on levels of thromboxane B 2(TXB 2) and 6-keto-prostaglandin F 1α(6-Keto-PGF 1α) in rats with focal cerebral ischemia.Methods Sixty-five Sprague-Dawley rats were randomly divided into the control group,the sham operation group,the model group,and Naotaifang extract group.After operation for 1,3,5,and 7 days,the contents of plasma TXB 2 and 6-Keto-PGF1 were detected by radioimmunoassay method.Results Compared with sham operation group,plasma TXB 2 level and TXB 2/6-Keto-PGF 1α ratio in...