HIV-infected patients with lipodystrophy have higher rates of carotid atherosclerosis: the role of monocyte chemoattractant protein-1 |
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Authors: | Coll Blai Parra Sandra Alonso-Villaverde Carlos de Groot Eric Aragonés Gerard Montero Manuel Tous Monica Camps Jordi Joven Jorge Masana Lluis |
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Institution: | Servei de Medicina Interna, Hospital Universitari Sant Joan, Reus, Spain. bcoll@grupsagessa.com |
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Abstract: | Individuals with HIV-1 infection are at increased risk for cardiovascular events, and lipodystrophy is generally associated with pro-atherogenic metabolic disturbances. We conducted a case-control study to assess the presence of sub-clinical atherosclerosis in HIV-1-infected patients with or without lipodystrophy (LD) and to evaluate the influence of monocyte chemoattractant protein-1 (MCP-1) on the development of both carotid atherosclerosis and LD. The study population consisted of 43 patients with LD and 86 patients without LD. We determined carotid intima-media thickness (IMT), MCP-1 concentrations in plasma, and MCP-1 genotype (presence or absence of the -2518G allele). HIV-1-infected patients with LD showed increased risk (OR=3.71, 95% CI=1.10-12.47, p=0.03) for sub-clinical atherosclerosis, and MCP-1 plasma concentration was significantly correlated with IMT in these patients (Pearson=0.31, p=0.03). Furthermore, presence of LD was a determinant for MCP-1 plasma concentration (beta=0.18, p=0.05). In summary, HIV-1-infected patients with clinically manifest LD are at higher risk for atherosclerosis and our observations support the relationship between inflammation and atherosclerotic disease. |
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