Traditional risk factors and D-dimer predict incident cardiovascular disease events in chronic HIV infection.

Ford, E.S., Greenwald, J.H., Richterman, A.G., Rupert, A., Dutcher, L., Badralmaa, Y., Natarajan, V., Rehm, C., Hadigan, C., Sereti, I.
Journal   AIDS
Species  
Analytes Measured   Adiponectin , CRP , Eotaxin , Eotaxin-3 , GM-CSF , ICAM-1 , IL-10 , IL-12 p70 , IL-6 , IL-8 , IP-10 , MCP-1 , MCP-4 , MDC , MPO , SAA , TARC , TIMP-1 , TNF-RII , VCAM-1
Matrix Tested   Serum
Year   2010
Volume   24
Page Numbers   1509-1517
Application   Cytokines and Chemokines
Abstract

OBJECTIVE: Cardiovascular disease (CVD) contributes significantly to HIV-related morbidity and mortality. Chronic immune activation and inflammation are thought to augment the progression of atherosclerotic disease. In this retrospective, case-control study of HIV-infected individuals, we investigated the association of traditional cardiac risk factors, HIV-related disease, and inflammation with CVD events.

METHODS: HIV-infected individuals who experienced an incident CVD event while enrolled in National Institutes of Health clinical protocols from 1995 to 2009 were matched 2: 1 to HIV-infected individuals without known CVD. Markers of inflammation and cell activation were measured in serum or plasma using ELISA-based assays and peripheral mononuclear cells by four-color flow cytometry.

RESULTS: Fifty-two patients experienced an incident CVD event. Events were related to smoking, dyslipidemia, hyperglycemia, and family history as well as elevated D-dimer, soluble vascular cell adhesion molecule-1, tissue inhibitor of metalloproteinase-1, and soluble tissue factor, but not high-sensitivity C-reactive protein. No significant differences in antiviral therapy, CD4 T-cell count, or CD38 and human leukocyte antigen-DR expression were identified between patients and controls. In multivariable analysis, smoking, family history, D-dimer, and glucose were independently related to CVD risk.

CONCLUSION: In this cohort, CVD risk was related to traditional CVD risk factors and markers of thrombosis and endothelial damage, but not to high-sensitivity C-reactive protein or markers of T-cell activation such as CD38/human leukocyte antigen-DR coexpression. D-dimer may help identify HIV-infected patients at elevated CVD risk.

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