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Association Between Depressive Disorders and Incident Acute Myocardial Infarction in Human Immunodeficiency Virus-Infected Adults: Veterans Aging Cohort Study.

Association Between Depressive Disorders and Incident Acute Myocardial Infarction in Human Immunodeficiency Virus-Infected Adults: Veterans Aging Cohort Study.
Author Information (click to view)

Khambaty T, Stewart JC, Gupta SK, Chang CH, Bedimo RJ, Budoff MJ, Butt AA, Crane H, Gibert CL, Leaf DA, Rimland D, Tindle HA, So-Armah KA, Justice AC, Freiberg MS,


Khambaty T, Stewart JC, Gupta SK, Chang CH, Bedimo RJ, Budoff MJ, Butt AA, Crane H, Gibert CL, Leaf DA, Rimland D, Tindle HA, So-Armah KA, Justice AC, Freiberg MS, (click to view)

Khambaty T, Stewart JC, Gupta SK, Chang CH, Bedimo RJ, Budoff MJ, Butt AA, Crane H, Gibert CL, Leaf DA, Rimland D, Tindle HA, So-Armah KA, Justice AC, Freiberg MS,

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JAMA cardiology 2016 8 24() doi 10.1001/jamacardio.2016.2716

Abstract
Importance
With the advent of highly effective antiretroviral therapy and improved survival, human immunodeficiency virus (HIV)-infected people are living longer and are now at an increased risk for cardiovascular disease (CVD). There is an urgent need to identify novel risk factors and primary prevention approaches for CVD in HIV. Although depression is prevalent in HIV-infected adults and is associated with future CVD in the general population, its association with CVD events has not been examined in the HIV-infected population.

Objective
To examine whether depressive disorders are prospectively associated with incident acute myocardial infarction (AMI) in a large cohort of adults with HIV.

Design, Setting, and Participants
Included in this cohort study were 26 144 HIV-infected veterans without CVD at baseline (1998-2003) participating in the US Department of Veterans Affairs Veterans Aging Cohort Study from April 1, 2003, through December 31, 2009. At baseline, 4853 veterans (19%) with major depressive disorder (MDD; International Classification of Diseases, Ninth Revision [ICD-9] codes 296.2 and 296.3) and 2296 (9%) with dysthymic disorder (ICD-9 code 300.4) were identified. The current analysis was conducted from January 2015 to November 2015.

Main Outcomes and Measures
Incident AMI (defined by discharge summary documentation, enzyme/electrocardiography evidence of AMI, inpatient ICD-9 code for AMI (410), or AMI as underlying cause of death [International Statistical Classification of Diseases and Related Health Problems, Tenth Revision code 121]) between the enrollment date and December 31, 2009.

Results
The mean (SD) age of those with MDD was 47.3 (7.9) years and for those without MDD was 48.2 (9.7) years. During 5.8 years of follow-up, 490 AMI events (1.9%) occurred. Baseline MDD was associated with incident AMI after adjusting for demographics (hazard ratio [HR], 1.31; 95% CI, 1.05-1.62), CVD risk factors (HR, 1.29; 95% CI, 1.04-1.60), and HIV-specific factors (HR, 1.30; 95% CI, 1.05-1.62). Further adjustment for hepatitis C, renal disease, substance abuse, and hemoglobin level (HR, 1.25; 95% CI, 1.00-1.56) and antidepressant use (HR, 1.12; 95% CI, 0.87-1.42) attenuated associations. Baseline dysthymic disorder was not associated with incident AMI.

Conclusions and Relevance
We report novel evidence that HIV-infected adults with MDD have a 30% increased risk for AMI than HIV-infected adults without MDD after adjustment for many potential confounders. Our findings raise the possibility that MDD may be independently associated with incident atherosclerotic CVD in the HIV-infected population.

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