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Increased Coronary Vessel Wall Thickness in HIV-Infected Young Adults
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Increased Coronary Vessel Wall Thickness in HIV-Infected Young Adults
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Journal Article
Increased Coronary Vessel Wall Thickness in HIV-Infected Young Adults
2014
Overview
Background. Individuals with long-term human immunodeficiency virus (HIV) infection are at risk for premature vasculopathy and cardiovascular disease (CVD). We evaluated coronary vessel wall thickening, coronary plaque, and epicardial fat in patients infected with HIV early in life compared with healthy controls. Methods. This is a prospective cross-sectional study of 35 young adults who acquired HIV in early life and 11 healthy controls, free of CVD. Time resolved phase-sensitive dual inversion recovery black-blood vessel wall magnetic resonance imaging (TRAPD) was used to measure proximal right coronary artery (RCA) wall thickness, and multidetector computed tomography (CT) angiography was used to quantify coronary plaque and epicardial fat. Results. RCA vessel wall thickness was significantly increased in HIV-infected patients compared with sex- and race-matched controls (1.32 ± 0.21 mm vs 1.09 ± 0.14 mm, P = .002). No subject had discrete plaque on CT sufficient to cause luminal narrowing, and plaque was not related to RCA wall thickness. In multivariate regression analyses, smoking pack-years (P = .004) and HIV infection (P = .007) were independently associated with thicker RCA vessel walls. Epicardial fat did not differ between groups. Among the HIV-infected group, duration of antiretroviral therapy (ART) (P = .02), duration of stavudine exposure (P < .01), low-density lipoprotein cholesterol (P = .04), and smoking pack-years (P < .01) were positively correlated with RCA wall thickness. Conclusions. This investigation provides evidence of subclinical coronary vascular disease among individuals infected with HIV in early life. Increased duration of ART, hyperlipidemia, and smoking contributed to proximal RCA thickening, independent of atherosclerotic plaque quantified by CT. These modifiable risk factors appear to influence early atherogenesis as measured by coronary wall thickness and may be important targets for CVD risk reduction.
Publisher
Oxford University Press
Subject
/ Adult
/ Biological and medical sciences
/ Coronary Vessels - diagnostic imaging
/ Coronary Vessels - pathology
/ Female
/ HIV
/ HIV Infections - diagnostic imaging
/ HIV/AIDS
/ Human immunodeficiency virus
/ Humans
/ Immunodeficiencies. Immunoglobulinopathies
/ Male
/ NMR
/ Sexually transmitted diseases
/ Smoking
/ STD
