• Da-xuan Yang, Jing Yang, and Li-huan Li.
• Department of Anesthesiology, Fuwai Cardiac Hospital, Peking Union Medical College, Beijing 100037, China.
• Zhonghua Yi Xue Za Zhi. 2007 Jul 3; 87 (25): 1746-8.

ObjectiveTo investigate the effects of cattle encephalon glycoside and ignotin injection on serum level of S100B protein and neuron specific enolase (NSE) during cardiac valve replacement with cardiopulmonary bypass (CPB).MethodsForty patients undergoing cardiac valve replacement with CPB were randomly divided into two equal groups: cattle encephalon glycoside and ignotin injection group (Group A, injected intravenously with cattle encephalon glycoside and ignotin 20 ml after induction of anesthesia, and control group (Group B, injected intravenously with normal saline instead. Blood samples were taken from the jugular bulb after induction of anesthesia (T1), immediately, and 2 h, 6 h, and 24 h after the discontinuation of CPB (T2, T3, T4, and T5) for determination of serum levels of S100B protein and NSE.ResultsThe serum levels of S100B protein and NSE of both groups were significantly increased after CPB, and then gradually decreased. At the time point T5, the serum levels of S100B protein of both groups decreased to near the baseline levels (T1 levels), but the serum levels of NSE remained high in both groups. At the time points T2, T3, T4 and T5, the serum levels of S100B protein were significantly higher in Group B than in Group A (all P < 0.05). At the time points T2, T3, and T4, the serum levels of NSE was significantly higher in Group B than in Group A (all P < 0.05).ConclusionCattle encephalon glycoside and ignotin injection decreases the serum levels of S100B protein and NSE and has cerebral protective effect during cardiac valve replacement with CPB to a certain degree.

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