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Systematic meta-review and quality assessment of the structural brain alterations in schizophrenia.
MedLine Citation:
PMID:  22244985     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The large quantity of systematic reviews of magnetic resonance imaging studies in schizophrenia challenges their meaningful interpretation. This meta-review synthesises the available information from systematic reviews of structural alteration in both chronic and first-episode schizophrenia. METHODS: Systematic reviews were identified using electronic databases. Review methodological quality was assessed according to the Assessment of Multiple Systematic Reviews checklist. Data were extracted in duplicate and quality assessed for consistency and precision, guided by Grading of Recommendations Assessment, Development and Evaluation recommendations. RESULTS: Integration of volumetric and voxel-based estimates allowed critical assessment of the magnitude and location of anatomical differences. There is evidence for grey matter reductions of anterior cingulate, frontal (particularly medial and inferior) and temporal lobes, hippocampus/amygdala, thalamus, and insula that may be magnified over time. Other regional alterations appear specific to illness stage or medication status. CONCLUSIONS: There is limited high quality evidence supporting grey or white matter changes in schizophrenia, which has previously been obscured by a large volume of conflicting lower quality evidence.
Authors:
Alana M Shepherd; Kristin R Laurens; Sandra L Matheson; Vaughan J Carr; Melissa J Green
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-8
Journal Detail:
Title:  Neuroscience and biobehavioral reviews     Volume:  -     ISSN:  1873-7528     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806090     Medline TA:  Neurosci Biobehav Rev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
University of New South Wales Research Unit for Schizophrenia Epidemiology, O'Brien Centre at St. Vincent's Hospital, 394-404 Victoria Street, Darlinghurst, Sydney, NSW 2010, Australia; Schizophrenia Research Institute, 405 Liverpool St., Darlinghurst, Sydney, NSW 2010, Australia.
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