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目的：探讨新生儿缺氧缺血性脑病（ＨＩＥ）的脑血流速度（ＣＢＦＶ） 的变化及临床意义。方法：全部患儿在检测时均保持安静入睡状态， 经颞部透声窗探测双大脑中动脉、大脑前动脉、颈内动脉末端的ＣＢＦＶ。结果：５２ 例ＨＩＥ患儿的ＣＢＦＶ除７ 例正常外，４５ 例均显示出不同程度的异常。ＣＢＦＶ增高者３７ 例（７１．１５％） 。ＣＢＦＶ降低者８ 例（１５．３８％） 。４５ 例ＨＩＥ与正常新生儿组比较颅内动脉血流速度有显著差异， Ｐ＜ ０．０１。７ 例血流速度正常者与正常新生儿组比较无显著差异Ｐ＜ ０．０５。结论：利用经颅多普勒超声对ＨＩＥ脑血流速度的检测，对其患儿的治疗、康复提供可靠依据，颇具临床应用性，应予推广
Objective: To investigate the changes of cerebral blood flow velocity (CBFV) in neonates with hypoxic-ischemic encephalopathy (HIE) and its clinical significance. Methods: All children remained silent and asleep during the test. The CBFV of the middle cerebral arteries, the anterior cerebral arteries and the internal carotid arteries of the middle cerebral arteries were detected by TEM images. Results: CBFV in 52 cases of HIE children showed normal abnormalities except for 7 cases. Elevated CBFV in 37 cases (71.15%). 8 cases of CBFV reduction (15.38%). There were significant differences in intracranial arterial blood flow velocity between 45 cases of HIE and normal neonates, P <0.01. There was no significant difference between P <0.01 and normal newborns (P <0.05). Conclusion: Transcranial Doppler echocardiography detection of cerebral blood flow velocity in HIE can provide a reliable basis for the treatment and rehabilitation of children with HIE, which is of clinical applicability and should be promoted