材料与方法：应用彩色多普勒超声对32例胎心异常及49例胎心正常者进行了大脑中动脉、脐动脉的PI比值的对比分析。
Methods:By color Doppler ultrasound, we contrast the MCAPI/UAPI of the 32 cases which heart rate is abnormal with what of the 49 cases which heart rate is normal.
方法：对61例胎心电子监护数据进行样本熵分析； 脐动脉血气分析；
METHODS:Sample entropy analysis and umbilical arterial blood gas analysis were conducted to the electronic monitoring data of fetal heart rate in 61 cases.
结论麝香保心丸保护血管内皮细胞可能与抑制H2O2诱导人脐静脉内皮细胞氧化应激有关。
Conclusion SBP could protect endothelial cells and it might be related to inhibit oxidative stress induced by H2O2.
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