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Fluphenazine投与によつて治療した精神分裂病患者17例で,1日量1mg投与5日目,1日量2mg投与5日目(投与開始10日目)および1日量3mg投与5日目(投与開始後15日目)にMT(12例)および脳波(14例)検査を実施し,自動周波数分析器を用いて,その周波数分布を測定し個々の症例についてFluphenazineによるMTおよび脳波の周波数分布におよぼす影響の観察を行ない,治療効果および副作用のひとつである錐体外路症状の発現との関係を検討した。
1)治療効果とMT。投与前定型的分布型をもっ症例では,Fluphenazineによるそのpatternの変化の有無にかかわらず,全例に症状の変化はあまりないがどちらかというと多少改善されたものが多かつた。投与前非定型的分布型を有する症例では,Fluphenazine投与によつてもまつたく非定型的分布型をかえないものは無効であるが,Fluphenazine投与によつて,定型的分布型となるか,あるいは,増量とともに定型的なpatternに近づき,ついには定型的分布型になるような症例では有効になるものが多かつた。
2)治療効果と脳波周波数分布。使用前定型的分布を示すものと,非定型的分布を示すものとでいずれに無効例が多いかを決定することは困難である。またFluphenazineの投与による分布型と治療効果との間には一定の関係をみいだせなかつた。
Fluphenazine was given orally to 17 schiz-ophrenics at the dosage of 1 mg/daily for 5 days initially, 2 mg/daily for 5 days, 3 mg/ daily for 5 days and there after at the differ-ent dosages case by case. The Minor Tremor (MT) in 12 cases and EEG in 14 cases were investigated before, on the 5th, 10th and 15th day after starting the medication of Fluphe-nazine by means of the automatic frequency analyser. These frequency distributions were studied in connection with the therapeutic effects and extrapyramidal symptoms.
1) Those cases, with typical frequency di-stribution of MT before the medication, were slightly improved, no matter how the distri-bution pattern was altered by the medication.
Among those cases with atypical frequency distribution of NT before the medication, ca-ses whose MT turned to typical pattern by medication were improved and cases whose MT remained atypical were not improved.
The extrapyrapyramidal symptoms less ap-peared in those cases with typical MT pattern during the medication.
2) The frequency distrbution pattern of EEG is neither related to therapeutic effects nor extrapyramidal symptoms.
3) The pararell relationship between the frequency distribution of MT and EEG in nine patients was not found.
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