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节律性闪光刺激提高EEG阳性率的研究附109例临床EEG闪光刺激分析 总被引:1,自引:0,他引:1
本文通过109例节律性闪光刺激临床脑电图的研究,探讨:1.正确使用间歇性节律性闪光刺激提高EEG的阳性率;2.研究了闪光后的节律同化问题;3.发现症状性头痛“H”反应占90%;4.毫针蝶骨电极加闪光刺激可以提高阳性率75%。 相似文献
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本文报告18例苯酮尿症,男女各9例,均具典型临床表现,尿三氯化铁试验均呈阳性反应,9例行苯丙氨酸水平测定,均明显高于正常水平。全部病例接受了EEG检查,其结果显示了脑电图异常的式样似与年龄及癲痫发作类型有关。文内对接受低苯丙氨酸饮食治疗且连续在本院随诊的12例病人的预后进行分析,强调尽早开始饮食治疗的重要性。 相似文献
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冯应琨 《国际神经病学神经外科学杂志》1975,(2)
作者对80例癫痫患者(包括两名青年人)于静脉注射 Clonazepam(每公斤0.03~0.3毫克)前、中、后描记脑电图。各例都有β活动,26例变为正常,另26例脑电图显著改善,1例脑电图更坏,27例脑电图无改变。原脑电图4例正常,24例有局灶性尖波棘波,6例有局灶性棘波及慢波,37例 相似文献
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对人脑的研究继电生理及多种形式检查后又有新的进展,如正电子发射计算机断层(PET)及单光子发射计算机断层(SPECT)。~(99m)Te-HM-PAO能穿过血脑屏障,在脑组织的聚集量与血流量成正比。断层图象示大脑皮层灰质,基底节,丘脑及小脑为高放射性浓聚后。癫痫病灶发作时血流灌注增加,发作间期血流灌注减少。利用此特点国外为顽固部分复杂癫痫者作病灶定位。从而进行较满意的手术治疗。本研究记录分析了40例癫痫患者进行~(99m)-Te-HM-PAO脑断层显像检查的结果。其中四例全身型强直阵挛发作三者均未发现异常。二例儿童良性癫痫的脑电图示中央,中颞尖波灶,SPECT脑显象正常。34例P分复杂发 相似文献
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Cobb氏theta节律乃持续或阵发的40~70μv,每秒5~9周波正弦或尖波节律,见于大脑后部导联,是一罕见现象,Cobb认为它有诊断意义。临床及病理均证实患者有中央和顶回大脑半球表面或纯在皮质下病变,多为脑膜瘤。本文报道我们30余年所仅见3例具有Cobb氏thcta节律的患者,但都不是脑膜瘤。在我们的脑瘤,特别是欠状窦旁脑膜瘤病例中,并未见到Cobb氏theta节律,这可能是因它容易为同时存在的delta波所掩盖以致漏诊。我们认为病因不只限於脑膜瘤,典型的Cobb节律是病理改变,有其诊断意义。 相似文献
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Xu Xianhao许贤豪 Yang Bingxian杨秉贤and Feng Yingkun冯应琨Department of Neurology Capital Hospital Chinese Academ'y of Medical Sciences Beijing 《中华医学杂志(英文版)》1981,94(10):673-678
80 typical cases of Wilson's disease were
observed over 54 years, 58 0f whom were hos-
pitalized, an incidence of 19.7 per 100,0'00 general
hospital inpatients and 522 per 100,0001 neurologic
inpatients. The average age of onset was 23.5
years. Average age of onset before 15 years was
50To, between 20-30 26.91To and before 30 76.5.9To.
51.25'Io of our 80 patients had first involvement
of the nervous system commencing at an average
age of 25.2 years and 95To exhihited neurologic
symptoms and signs. 39.99To had primary onset
of hepatic disorder at an average age of 14.2
years and 80% showed evidence of hepatic
dysfunction. 3.99To had renal involvement as
first manifestation of disease and 40V/o showed
evidence of renal damage. Aminoaciduria was
demonstrated in 6.25%, 0.5'/o had affection of
bones and joints, 2.5'/o had mental sympt.oms as
first manifestation of the disease and 46.25%
showed mental symptoms. 3 showed evidence of
heart involvement. EEG findings and study of
copper content of brain and liver wiU be pre-
sented in other papers. Autopsy was performed
on 5 with typical findings of Wilson's disease.
Copper oxidase activity was lowered in 95%.
Kayser-Fleischer ring was found in 73.75%.
Urinary copper content was high in 96.97To (32/33
cases). Serum copper content was low in 65.22T。
(15;23 cases). 62 0f our 80 patients (77.50To) had
well documented family histories. It was posi-
tive in 10 patients of 9 families and highly
suspected in another 4 in agreement with auto-
somal recessive heredity. With regard to pro-
gnosis 11 patients remain apparently healthy, 38
continue working or studying while taking treat-
ment, 24 are invalids and 7 died. It appears that
the longer the interval between onset, of disease
and diagnosis, the worse the prognosis, indicat-
ing the importance of early diagnosis and treat-
ment. 相似文献