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  • Title: [Stereotaxy during intravenous anesthesia with propofol].
    Author: Fukuda M, Kameyama S, Kawaguchi T, Yamashita S, Tanaka R.
    Journal: No Shinkei Geka; 1998 Aug; 26(8):709-15. PubMed ID: 9744000.
    Abstract:
    A series of 30 patients, who underwent stereotactic surgery for movement disorder under intravenous propofol anesthesia between March, 1995 and December, 1997, was retrospectively reviewed. In 28 patients with Parkinson's disease including seven juvenile cases of parkinsonism, the postoperative motor and ADL scores on the Unified Parkinson's Disease Rating Scale significantly improved. In the other two patients, one of whom had severe posttraumatic tremor and the other had cerebral palsy, the stereotactic surgery produced considerable alleviation of their symptoms. We evaluated and discussed the usefulness of intravenous propofol anesthesia in stereotaxy. Except for one patient who had an allergic reaction against propofol, none of the patients complained of intraoperative pain postoperatively. Wake-up tests were performed to record neural noise levels in 26 cases. This recording was performed under propofol anesthesia in two cases with advanced Parkinson's disease and one with cerebral palsy. In these patients, neural noise levels were recorded and were useful for identifying the target. Although the tremor disappeared under propofol anesthesia in 17 patients presenting with moderate or severe tremor, it was presented again after discontinuation of propofol. Wake-up test, therefore, made a good evaluation of Vim thalamotomy for tremor. In juvenile parkinsonian patients, three presented with dopa-induced dyskinesia (DID) during propofol infusion. In two of them, the DID emerged immediately after posteroventral pallidotomy and continued 4 or 10 hours after stereotaxy. These findings suggest that propofol possibly has an anti-parkinsonian effect. Intravenous propofol anesthesia is a useful method to use with stereotactic surgery for movement disorders.
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