Nau H E, Bock W J, Brkic J
EEG EMG Z Elektroenzephalogr Elektromyogr Verwandte Geb. 1977 Jun;8(2):65-9.
Eight cases of carotid cavernous fistulas are reported. Electroencephalograms were done before, during and after operative attack und during digital carotid compression. Preoperative, there was a mild general slowing, ipsilaterally marked in the parieto-temporal region. During digital carotid compression slowing may be found on the opposite side because of a steal syndrome. The degree of these physical changes and of those during hyperventilation depends on the individual cerebral blood flow and the corresponding situation of cerebral blood flow and the corresponding situation of cerebral metabolism. These changes are especially marked under anaesthetics. That is why derivations under anaesthetics seem to be most important for indicating the operation and to be correlated to the functional disturbances by the fistula. delta-activity is no contra-indication, when faster activity is superposed. Seizure potentials, only, seem to be a contra-indication. Pathogenetic mechanisms of electroencephalographic changes are being discussed. From that can be concluded that early operative treatment is necessary. Especially if the patient is young, there may be no need for compression training. Simultaneously, there is a possibility for curing neuro-ophthalmic disturbances.
本文报告了8例颈动脉海绵窦瘘。在手术攻击前、手术过程中、手术后以及数字减影颈动脉造影期间均进行了脑电图检查。术前,脑电图表现为轻度的普遍减慢,以同侧颞顶区明显。在数字减影颈动脉造影期间,由于盗血综合征,对侧可能会出现减慢。这些生理变化以及过度换气时的变化程度取决于个体的脑血流量以及相应的脑血流和脑代谢情况。这些变化在麻醉状态下尤为明显。这就是为什么麻醉下的脑电图表现对于手术指征以及与瘘管引起的功能障碍的相关性似乎最为重要。当有更快的活动叠加时,δ活动并非手术禁忌证。只有癫痫样电位似乎是手术禁忌证。文中讨论了脑电图变化的发病机制。由此可以得出结论,早期手术治疗是必要的。特别是对于年轻患者,可能无需进行压迫训练。同时,治愈神经眼科障碍是有可能的。