Witzmann A, Huber A, Leblhuber F, Fischer J
Neurosurgical Department, Wagner Jauregg Hospital, Linz, Austria.
Neurosurg Rev. 1993;16(1):71-7. doi: 10.1007/BF00308618.
Intraoperative combined SEP and BAEP monitoring provides a high level of safety for patients undergoing high risk intracranial surgical procedures. We performed this type of monitoring in a rare case of choroid plexus angioma, embedded into the pulvinar of the right thalamus, which was resected via a transcallosal approach. The SEP pattern deteriorated during parietal brain retraction and thalamic dissection, but never completely disappeared. The BAEP pattern remained unchanged during the entire operation. The patient suffered incomplete hemiparesis postoperatively, but recovered completely within 10 days. After this time the SEP pattern returned to normal. This case points out that pathological change of intraoperative SEP pattern without loss of components suggests an incomplete hemiparesis. There is, however, a good chance of full recovery in the early postoperative period.
术中联合体感诱发电位（SEP）和脑干听觉诱发电位（BAEP）监测为接受高风险颅内手术的患者提供了高度的安全性。我们对一例罕见的脉络丛血管瘤病例进行了此类监测，该肿瘤嵌入右侧丘脑枕部，通过经胼胝体入路进行切除。在顶叶脑牵拉和丘脑解剖过程中，SEP波形恶化，但从未完全消失。在整个手术过程中，BAEP波形保持不变。患者术后出现不完全性偏瘫，但在10天内完全康复。此后，SEP波形恢复正常。该病例指出，术中SEP波形出现病理改变但成分未丢失提示不完全性偏瘫。然而，术后早期有很好的完全恢复机会。
