No shinkei geka. Neurological surgery
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Despite advances in surgical techniques and improvements in perioperative care, the incidence of perioperative strokes has not decreased, reflecting the aging of the population and the increased number of patients with complication. We investigated the cases who were consulted due to perioperative stroke. From April, 2004 to March, 2007, a total of 102 patients were referred for neurological evaluation because of perioperative stroke. ⋯ The cause of the cerebral infarction was considered as cerebral embolism in 19 cases. Those who were consulted preoperatively were treated to prevent intraoperative stroke and did not suffer neurological complication. Most stoke in patients undergoing surgery were not related to hypoperfusion but due to embolism.
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To determine whether monitoring facial nerve motor evoked potentials (FNMEPs) elicited by transcranial electrical stimulation during skull base tumor surgery is useful for predicting facial nerve outcome. ⋯ Intraoperative FNMEP monitoring is useful for predicting facial nerve function after skull base surgery.