Abstract:
:In patients with bipolar disorder, recent brain imaging studies have reported cingulate cortex volume change. We performed a volumetric magnetic resonance imaging (MRI) study to assess the subregions of the cingulate gyrus; left anterior cingulate (LAC), left posterior cingulate (LPC), right anterior cingulate (RAC), and right posterior cingulate (RPC). Our sample consisted of bipolar patients that are either unmedicated (n=10), on valproate monotherapy (n=10) or on valproate plus quetiapine (n=10) versus healthy comparisons (n=10). Thirty right-handed bipolar disordered patients were recruited. Of them, 10 were first-applying patients who never had taken any drug for this condition (medication-naive group), 10 were on valproate treatment (valproate group) and 10 were on valproate plus quetiapine treatment (valproate plus quetiapine group). Cingulate gyrus volumes included both cortex and white matter. Drug-free patients had significantly smaller LAC and LPC volumes compared with valproate and valproate plus quetiapine groups and healthy controls. In addition, in post hoc comparisons, a trend toward significant difference was found between valproate plus quetiapine group and valproate group in regard to only LAC. Our findings suggest that valproate and quetiapine may have neuroprotective effects.
journal_name
J Psychiatr Resjournal_title
Journal of psychiatric researchauthors
Atmaca M,Ozdemir H,Cetinkaya S,Parmaksiz S,Belli H,Poyraz AK,Tezcan E,Ogur Edoi
10.1016/j.jpsychires.2006.07.006subject
Has Abstractpub_date
2007-11-01 00:00:00pages
821-7issue
10eissn
0022-3956issn
1879-1379pii
S0022-3956(06)00142-7journal_volume
41pub_type
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