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Int J Geriatr Psychiatry. 2006 Jan;21(1):36-42.

Carotid intima-media thickness in late-onset major depressive disorder.

Author information

1
Department of Psychiatry, Kaohsiung Medical University, Chung-Ho Memorial Hospital, Kaohsiung, Taiwan.

Abstract

BACKGROUND:

This study explored whether patients with late-onset major depressive disorder showed higher carotid artery intima-medium thickness (IMT) and investigated the relationship between the IMT and white matter hyperintensities on magnetic resonance imaging (MRI) among patients.

METHODS:

Fourteen elderly patients with late-onset major depressive disorder from a psychiatric outpatient clinic and 11 non-depressed controls received a comprehensive psychiatric assessment, ultrasound IMT measurements of the carotid arteries, and cerebral MRI.

RESULTS:

The carotid IMT was higher in the patient group vs the control group (1.26 +/- 0.30 vs 1.00 +/- 0.20 mm; t = 2.40, p < 0.03). The difference was more apparent in the common carotid artery (1.20 +/- 0.32 vs 0.97 +/- 0.13 mm; t = 2.31, p < 0.04). There was a high correlation (r = 0.55, p < 0.05) between the carotid IMT and white matter hyperintensities among patients with late-onset major depressive disorder.

CONCLUSION:

Results of this study suggest that atherosclerosis represented by the carotid IMT contributes to the development of late-onset major depressive disorder. The findings support the vascular depression hypothesis.

PMID:
16323250
DOI:
10.1002/gps.1420
[Indexed for MEDLINE]
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