کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
335116 | 546782 | 2010 | 4 صفحه PDF | دانلود رایگان |

We reported increased high-energy phosphate metabolism in the basal ganglia of antipsychotic-naïve schizophrenia patients using 31P Magnetic Resonance Spectroscopy (MRS). These patients were followed up for 1 year and and reassessed using 31P MRS. Fourteen (8 males) patients with DSM-IV schizophrenia and 14 (11 males) healthy controls underwent 31P MRS of sub-cortical structures (predominantly basal ganglia) twice (mean ± S.D. interscan interval 1.15 ± 0.17 year) on a 1.5 T scanner. Total scores on the Positive and Negative Syndrome Scale (PANSS) decreased significantly after treatment in schizophrenia patients. Patients had significantly lower mean PCr/ATP ratios than healthy controls at baseline but not during the follow-up. In patients, there was a significant positive correlation between the magnitude of improvement in PANSS total scores and the extent of change in the PCr/ATP ratio. Findings support the hypothesis that reduction of energy demand or induction of decreased energy-demanding processes might underlie the mechanism of action of antipsychotics in schizophrenia.
Journal: Psychiatry Research: Neuroimaging - Volume 181, Issue 3, 30 March 2010, Pages 237–240