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  • Title: Cerebroventricular size and cerebrospinal fluid monoamine metabolites in schizophrenic patients and healthy volunteers.
    Author: Nybäck H, Berggren BM, Hindmarsh T, Sedvall G, Wiesel FA.
    Journal: Psychiatry Res; 1983 Aug; 9(4):301-8. PubMed ID: 6196802.
    Abstract:
    Computed tomography (CT) measures and cerebrospinal fluid (CSF) levels of the monoamine metabolites homovanillic acid (HVA), 3-methoxy-4-hydroxyphenylglycol (MHPG), and 5-hydroxyindoleacetic acid (5-HIAA) were determined in 43 healthy volunteers and in 26 patients with an acute psychosis of the schizophrenic type. There were no differences in the mean CSF levels of monoamine metabolites between the two groups. However, the patients had significantly wider lateral and third ventricles as compared to the volunteers. In the volunteers there were no significant correlations between ventricular sizes and monoamine metabolite levels, whereas in the patients a significant negative correlation was obtained between the size of the lateral ventricles and the levels of HVA and 5-HIAA in the CSF. These results may indicate that the enlargements of the brain ventricles found in a subgroup of schizophrenic patients may be associated with deficiencies in central monoamine transmission mechanisms.
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