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作者对急性颅脑损伤病人70例应用脑干听觉诱发电位(BAEP)就伤情评价和预后判断做了初步研究。对 BAEP 的异常按照 Greenberg 等的方法分Ⅳ级。结果表明,BAEP 级别与 GCS 记分呈负相关(r=-0.69),BAEP 级别越高,GCS 记分可能越低,临床状态则越差。本组原发和继发脑干损伤病人在 BAEP 疫常程度上无显著性差异。但在原发脑干损伤的诊断上可提高其可靠性。不同病期测定 BAEP 提示Ⅱ、Ⅲ级者最易发生变化,改善者占71.43%和35.71%,变化率为7.14和21.43,说明对这类病人应密切观察,反复监测。BAEP 级别越高,病人预后可能越差。
The author of 70 cases of patients with acute brain injury using brainstem auditory evoked potential (BAEP) on the injury evaluation and prognosis to do a preliminary study. Abnormalities of BAEP were divided into four levels according to the method of Greenberg et al. The results showed that the BAEP level was negatively correlated with the GCS score (r = -0.69). The higher the BAEP level, the lower the GCS score and the worse the clinical status. The group of primary and secondary brain stem injury patients in the degree of BAEP no significant difference. But in the diagnosis of primary brain stem injury can improve its reliability. BAEP at different stages suggested that patients with grade Ⅱ and Ⅲ were the most likely to change, accounting for 71.43% and 35.71% of the improvement, with a rate of change of 7.14 and 21.43, indicating that such patients should be closely observed and repeatedly monitored. The higher the BAEP level, the worse the patient’s prognosis may be.