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초발 정신분열증의 정신병리와 99m-Tc-ECD SPECT 국소뇌혈류량 및 혈장 Homovanillic Acid와의 관계

Other Titles
 Relationship between First-Episode Schizophrenic Psychopathology and 99m-Tc-ECD SPECT Regional Cerebral Blood Flow and Plasma Homovanillic Acid 
 구민성  ;  이홍식  ;  이종두  ;  김찬형  ;  만성길  ;  유병국  ;  장진우  ;  민성길 
 Korean Journal of Psychopharmacology (대한정신약물학회지), Vol.12(3) : 186-200, 2001 
Journal Title
 Korean Journal of Psychopharmacology (대한정신약물학회지) 
Issue Date
First-episode schizophrenia ; Changes of psychopathology ; SPECT ; Plasma HVA ; Serotonin dopamine antagonist
Objective: The purpose of this study was to examine the relative blood flow differences of brain regions between first-episode schizophrenic patients and normal controls and the relationships between these regions and the changes of psychopathology scores, the treatment response, after serotonin dopamine antagonist (SDA) risperidone treatment. Another purpose of this study was to investigate SPECT relative blood flow index as the treatment response predictor of SDA treatment under control of the influences of homovanillic acid (HVA). We hypothesize that there is differences in the brain blood flows examined by SPECT between first-episode schizophrenic patients and normal controls. Relative blood flow index examined by SPECT will be the response predictors of SDA treatment of schizophrenia under control of influences of metabolites. Methods: The relative blood flows of seventeen first-episode schizophrenic patients and ten normal controls were examined by 99m-Tc ECD SPECT before drug treatment. The patients group was treated for 6 weeks with SDA. The psychopathology was assessed at baseline just before SDA trial and then at 2 weeks and 6 weeks after SDA treatment. At the same time plasma HVA was evaluated by HPLC (high performance liquid chromatography). Results: The cerebral blood flow of first-episode schizophrenic patients was decreased in thalamus and left basal ganglia and the relative blood flow index of schizophrenic patient's left thalamus was significant therapeutic predictor of SDA treatment of positive symptoms under control of the HVA influnences. Conclusion: These results suggest that the relative blood flow examined by SPECT will be a therapeutic index of SDA treatment in schizophrenia.
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1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chan Hyung(김찬형)
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