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应用彩色多普勒超声，对２３例绝经后妇女雌激素替代治疗前后大脑中动脉血流速度进行观察比较。结果：雌激素替代治疗后血中雌二醇明显增高（Ｐ＝０．００１）；大脑中动脉舒张期血流速度明显增加（Ｐ＝０．０００１）和阻力指数显著降低（Ｐ＝０．００１），但收缩期血流速度无明显改变（Ｐ＝０．３）。提示：绝经后妇女采用雌激素替代治疗可改善大脑的血流灌注，增加脑血流速度，降低脑血管阻力，对改善绝经后妇女健康有益。
Application of color Doppler ultrasound, 23 cases of postmenopausal women estrogen replacement therapy before and after the middle cerebral artery blood flow velocity were observed and compared. Results: Serum estradiol was significantly increased after estrogen replacement therapy (P = 0.001); diastolic blood flow velocity was significantly increased (P = 0.0001) and resistance index was significantly decreased in middle cerebral artery (P = 0.001 ), But no significant changes in systolic blood flow velocity (P = 0.3). Tip: Postmenopausal women with estrogen replacement therapy can improve cerebral perfusion, increase cerebral blood flow velocity, reduce cerebral vascular resistance, to improve the health of postmenopausal women.