期刊
BRITISH JOURNAL OF PSYCHIATRY
卷 198, 期 6, 页码 448-456出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1192/bjp.bp.110.079608
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资金
- Tanna Schulich Chair in Neuroscience and Mental Health
- Canadian Institutes of Health Research [MT-12078]
Background Thalamic glutamine loss and grey matter reduction suggest neurodegeneration in first-episode schizophrenia, but the duration is unknown. Aims To observe glutamine and glutamate levels, grey matter volumes and social functioning in patients with schizophrenia followed to 80 months after diagnosis. Method Grey matter volumes and proton magnetic resonance spectroscopy metabolites in left anterior cingulate and left thalamus were measured in 17 patients with schizophrenia before medication and 10 and 80 months after diagnosis. Social functioning was assessed with the Life Skills Profile Rating Scale (LSPRS) at 80 months. Results The sum of thalamic glutamate and glutamine levels decreased over 80 months, and correlated inversely with the LSPRS. Thalamic glutamine and grey matter loss were significantly correlated in frontal, parietal, temporal and limbic regions. Conclusions Brain metabolite loss is correlated with deteriorated social functioning and grey matter losses in schizophrenia, consistent with neurodegeneration.
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