糖尿病患者脑地形图检查的临床研究——附254例分析

对２５４例糖尿病患者进行脑地形图（ｂｒａｉｎｅｌｅｃｔｒｉｃａｌａｃｔｉｖｉｔｙｍａｐｐｉｎｇ，ＢＥＡＭ）检查，结果ＢＥＡＭ异常率为５２．９％，明显高于脑干听觉诱发电位（ｂｒａｉｎａｕｄｉｔｏｒｙｅｖｏｋｅｄｐｏｔｅｎｔｉａｌ，ＢＡＥＰ）和脑电图（ＥＥＧ）的异常率（各为２６．４％和４７％）。ＢＥＡＭ的改变及病变程度与空腹血糖、糖化血红蛋白水平呈显著相关（Ｐ均＜０．０１）。糖尿病合并各类型脑血管病的ＢＥＡＭ异常率均高于ＢＡＥＰ和ＥＥＧ。缺血性脑血管病的ＢＥＡＭ异常率虽较ＣＴ的略低，准确性和层次清晰也稍差，但对短暂性脑功能性损害（如ＴＩＡ）或一些亚临床型的脑组织病变，则ＢＥＡＭ优于ＣＴ检查。

CLINICAL STUDY ON BRAIN ELECTRICAL ACTIVITY MAPPING INPATIENTS WITH DIABETES MELLITUS AN ANALYSIS OF 254 CASES

The results of brain electrical activity mapping(BEAM)survey in 254 patients with diabetes mellitus showed that the positiverate for abnormality is 52.9%, which was obviously higher than those of brain auditory evoked potential(BAEP) and EEG. Thepositive BEAM findings and degree of pathological changes were significantly corrdeted with the concentration of fasting blood glu-cose and glycosylated hemoglobin(P<0.01).For different type of cerebral vascular diseases associated with diabetes,percentageof abnormality of BEAM was higher than those of BAEP and EEG. For temporary functional lesion of brain or some subclinicalpathological changes of brain tissue,BEAM is even superior to CT scan examination,although the percentage of abnormality ofBEAP for ischemic cerebral vascular diseases as well as accuracy and scanning layer clearness were lower than that of CT scan.