Association between Depression and Intima–media Thickness of Carotid Bulb in Asymptomatic Young Adults - 12/08/11
Reprint requests should be addressed to Gerald S. Berenson, MD, Director, Center for Cardiovascular Health, Tulane University Health Science Center, 1440 Canal Street, Suite: 1829, New Orleans, LA 70112Abstract |
Objective |
Although there is growing evidence that symptoms of depression influence the development of coronary artery disease, information on the underlying subclinical atherosclerotic process is scant in young adults. The study examined the association between symptoms of depression and subclinical atherosclerosis, determined by carotid intima–media thickness in asymptomatic young individuals.
Methods |
A cross-sectional study was performed in Bogalusa, Louisiana, a semi-rural biracial (black-white) community. A sample of 996 individuals aged 24 to 44 years (71% were white and 43% were male) enrolled in the Bogalusa Heart Study. The variables included symptoms of depression measured by the Center for Epidemiological Studies-Depression Scale; intima–media thickness of different segments of carotid artery by B-mode ultrasonography; measures of adiposity and glucose homeostasis, lipoproteins, and blood pressure; and cigarette smoking status.
Results |
Both the adjusted and the unadjusted associations between depression score and carotid bulb intima–media thickness were significant, whereas similar associations with internal carotid and common carotid thickness were nonsignificant. In the multivariable regression model, after adjusting for all covariates, a positive effect of depression scores (Center for Epidemiological Studies-Depression score) and a negative effect of interaction between depression score ratio of total cholesterol (TC)/high-density lipoprotein (HDL) were significant. In a subgroup analysis (among individuals with a ratio of TC/HDL ≤ 5) a positive effect of depression on carotid bulb intima–media thickness was significant, whereas the interaction between depression and ratio of TC/HDL was nonsignificant. In subsequent analysis, if individuals with a higher ratio of TC/HDL were included, both depression and negative interaction term were significant.
Conclusion |
The observations show the detrimental effect of depression on subclinical vascular changes in asymptomatic young individuals. The findings underscore the need for considering depression in risk factor profiling. Further study is recommended to investigate the basis of a lower carotid bulb intima–media thickness among subjects with a high depression score and a high ratio of TC/HDL.
Le texte complet de cet article est disponible en PDF.Keywords : Carotid bulb intima–media thickness, Depression, Ratio of total cholesterol/high-density lipoprotein, Risk factors, Vascular disease, Young adults
Plan
| Funding: The National Heart, Lung and Blood Institute Grant HL-38844 and the National Institute on Aging grant AG-16592. |
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| Conflict of Interest: None of the authors have any conflicts of interest associated with the work presented in this manuscript. |
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| Authorship: All authors had access to the data and played a role in writing this manuscript. |
Vol 122 - N° 12
P. 1151.e1-1151.e8 - décembre 2009 Retour au numéro
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