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Depressive symptoms, brain volumes and subclinical cerebrovascular disease in postmenopausal women: the Women's Health Initiative MRI Study. J Affect Disord 2011 Jul;132(1-2):275-84

Date

02/26/2011

Pubmed ID

21349587

Pubmed Central ID

PMC3109161

DOI

10.1016/j.jad.2011.01.020

Scopus ID

2-s2.0-79956114392   38 Citations

Abstract

OBJECTIVE: Late-life depressive symptoms (DS) increase the risk of incident mild cognitive impairment and probable dementia in the elderly. Our objectives were to examine the relationship between elevated DS and regional brain volumes including frontal lobe subregions, hippocampus and amygdala, and to determine whether elevated DS were associated with increased subclinical cerebrovascular disease in postmenopausal women.

METHODS: DS were assessed an average of 8years prior to structural brain MRI in 1372 women. The 8-item Burnam regression algorithm was used to define DS with a cut-point of 0.009. Adjusting for potential confounders, mean differences in total brain, frontal lobe subregions, hippocampus and amygdala volumes and total ischemic lesion volumes in the basal ganglia and the cerebral white and gray matter outside the basal ganglia were compared between women with and without DS.

RESULTS: Depressed women had lower baseline global cognition and were more likely to have prior hormone therapy history. After full adjustment, DS at baseline were associated with smaller superior and middle frontal gyral volumes. Hippocampal and amygdala volumes, and ischemic lesion volumes were similar in depressed and non-depressed women.

LIMITATIONS: Depression was not assessed based on semi-structured interview, and MRI scans were obtained cross-sectionally rather than longitudinally. Longitudinal MRI assessments will be necessary to define the temporal relationships between DS and frontal lobe volumes.

CONCLUSIONS: Elevated DS were associated with lower volumes in certain frontal lobe subregions but not in the medial temporal lobe structures. Our findings support the role of frontal lobe structures in late-life DS among women.

Author List

Goveas JS, Espeland MA, Hogan P, Dotson V, Tarima S, Coker LH, Ockene J, Brunner R, Woods NF, Wassertheil-Smoller S, Kotchen JM, Resnick S

Authors

Joseph S. Goveas MD Associate Professor in the Psychiatry department at Medical College of Wisconsin
Sergey S. Tarima PhD Associate Professor in the Institute for Health and Equity department at Medical College of Wisconsin




MESH terms used to index this publication - Major topics in bold

Aged
Brain
Brain Ischemia
Cognition Disorders
Dementia, Vascular
Depressive Disorder, Major
Dominance, Cerebral
Dysthymic Disorder
Estrogen Replacement Therapy
Female
Frontal Lobe
Humans
Image Processing, Computer-Assisted
Intracranial Arteriosclerosis
Magnetic Resonance Imaging
Organ Size
Postmenopause
Risk Factors
jenkins-FCD Prod-480 9a4deaf152b0b06dd18151814fff2e18f6c05280