Increased prevalence of subclinical coronary atherosclerosis detected by coronary computed tomography angiography in hiv-infected men

Janet Lo, Suhny Abbara, Leon Shturman, Anand Soni, Jeffrey Wei, Jose A. Rocha-Filho, Khurram Nasir, Steven K. Grinspoon

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Abstract

OBJECTIVE: The degree of subclinical coronary atherosclerosis in HIV-infected patients is unknown. We investigated the degree of subclinical atherosclerosis and the relationship of traditional and nontraditional risk factors to early atherosclerotic disease using coronary computed tomography angiography. DESIGN AND METHODS: Seventy-eight HIV-infected men (age 46.5 ± 6.5 years and duration of HIV 13.5 ± 6.1 years, CD4 T lymphocytes 523 ± 282; 81% undetectable viral load), and 32 HIV-negative men (age 45.4 ± 7.2 years) with similar demographic and coronary artery disease (CAD) risk factors, without history or symptoms of CAD, were prospectively recruited. 64-slice multidetector row computed tomography coronary angiography was performed to determine prevalence of coronary atherosclerosis, coronary stenosis, and quantitative plaque burden. RESULTS: HIV-infected men demonstrated higher prevalence of coronary atherosclerosis than non-HIV-infected men (59 vs. 34%; P = 0.02), higher coronary plaque volume [55.9 (0-207.7); median (IQR) vs. 0 (0-80.5) μl; P = 0.02], greater number of coronary segments with plaque [1 (0-3) vs. 0 (0-1) segments; P = 0.03], and higher prevalence of Agatston calcium score more than 0 (46 vs. 25%, P = 0.04), despite similar Framingham 10-year risk for myocardial infarction, family history of CAD, and smoking status. Among HIV-infected patients, Framingham score, total cholesterol, low-density lipoprotein, CD4/CD8 ratio, and monocyte chemoattractant protein 1 were significantly associated with plaque burden. Duration of HIV infection was significantly associated with plaque volume (P = 0.002) and segments with plaque (P = 0.0009) and these relationships remained significant after adjustment for age, traditional risk factors, or duration of antiretroviral therapy. A total of 6.5% (95% confidence interval 2-15%) of our study population demonstrated angiographic evidence of obstructive CAD (>70% luminal narrowing) as compared with 0% in controls. CONCLUSION: Young, asymptomatic, HIV-infected men with long-standing HIV disease demonstrate an increased prevalence and degree of coronary atherosclerosis compared with non-HIV-infected patients. Both traditional and nontraditional risk factors contribute to atherosclerotic disease in HIV-infected patients.

Original languageEnglish (US)
Pages (from-to)243-253
Number of pages11
JournalAIDS
Volume24
Issue number2
DOIs
StatePublished - Jan 2010

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Coronary Artery Disease
HIV
Computed Tomography Angiography
CD4-CD8 Ratio
Multidetector Computed Tomography
Chemokine CCL2
Coronary Stenosis
Coronary Angiography
Viral Load
LDL Cholesterol
HIV Infections
Coronary Disease
Atherosclerosis
Smoking
History
Myocardial Infarction
Demography
Confidence Intervals
Calcium
T-Lymphocytes

Keywords

  • Atherosclerosis
  • Cardiovascular risk factors
  • Coronary artery disease
  • Coronary computed tomography angiography
  • HIV

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Infectious Diseases

Cite this

Increased prevalence of subclinical coronary atherosclerosis detected by coronary computed tomography angiography in hiv-infected men. / Lo, Janet; Abbara, Suhny; Shturman, Leon; Soni, Anand; Wei, Jeffrey; Rocha-Filho, Jose A.; Nasir, Khurram; Grinspoon, Steven K.

In: AIDS, Vol. 24, No. 2, 01.2010, p. 243-253.

Research output: Contribution to journalArticle

Lo, Janet ; Abbara, Suhny ; Shturman, Leon ; Soni, Anand ; Wei, Jeffrey ; Rocha-Filho, Jose A. ; Nasir, Khurram ; Grinspoon, Steven K. / Increased prevalence of subclinical coronary atherosclerosis detected by coronary computed tomography angiography in hiv-infected men. In: AIDS. 2010 ; Vol. 24, No. 2. pp. 243-253.
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AU - Abbara, Suhny

AU - Shturman, Leon

AU - Soni, Anand

AU - Wei, Jeffrey

AU - Rocha-Filho, Jose A.

AU - Nasir, Khurram

AU - Grinspoon, Steven K.

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N2 - OBJECTIVE: The degree of subclinical coronary atherosclerosis in HIV-infected patients is unknown. We investigated the degree of subclinical atherosclerosis and the relationship of traditional and nontraditional risk factors to early atherosclerotic disease using coronary computed tomography angiography. DESIGN AND METHODS: Seventy-eight HIV-infected men (age 46.5 ± 6.5 years and duration of HIV 13.5 ± 6.1 years, CD4 T lymphocytes 523 ± 282; 81% undetectable viral load), and 32 HIV-negative men (age 45.4 ± 7.2 years) with similar demographic and coronary artery disease (CAD) risk factors, without history or symptoms of CAD, were prospectively recruited. 64-slice multidetector row computed tomography coronary angiography was performed to determine prevalence of coronary atherosclerosis, coronary stenosis, and quantitative plaque burden. RESULTS: HIV-infected men demonstrated higher prevalence of coronary atherosclerosis than non-HIV-infected men (59 vs. 34%; P = 0.02), higher coronary plaque volume [55.9 (0-207.7); median (IQR) vs. 0 (0-80.5) μl; P = 0.02], greater number of coronary segments with plaque [1 (0-3) vs. 0 (0-1) segments; P = 0.03], and higher prevalence of Agatston calcium score more than 0 (46 vs. 25%, P = 0.04), despite similar Framingham 10-year risk for myocardial infarction, family history of CAD, and smoking status. Among HIV-infected patients, Framingham score, total cholesterol, low-density lipoprotein, CD4/CD8 ratio, and monocyte chemoattractant protein 1 were significantly associated with plaque burden. Duration of HIV infection was significantly associated with plaque volume (P = 0.002) and segments with plaque (P = 0.0009) and these relationships remained significant after adjustment for age, traditional risk factors, or duration of antiretroviral therapy. A total of 6.5% (95% confidence interval 2-15%) of our study population demonstrated angiographic evidence of obstructive CAD (>70% luminal narrowing) as compared with 0% in controls. CONCLUSION: Young, asymptomatic, HIV-infected men with long-standing HIV disease demonstrate an increased prevalence and degree of coronary atherosclerosis compared with non-HIV-infected patients. Both traditional and nontraditional risk factors contribute to atherosclerotic disease in HIV-infected patients.

AB - OBJECTIVE: The degree of subclinical coronary atherosclerosis in HIV-infected patients is unknown. We investigated the degree of subclinical atherosclerosis and the relationship of traditional and nontraditional risk factors to early atherosclerotic disease using coronary computed tomography angiography. DESIGN AND METHODS: Seventy-eight HIV-infected men (age 46.5 ± 6.5 years and duration of HIV 13.5 ± 6.1 years, CD4 T lymphocytes 523 ± 282; 81% undetectable viral load), and 32 HIV-negative men (age 45.4 ± 7.2 years) with similar demographic and coronary artery disease (CAD) risk factors, without history or symptoms of CAD, were prospectively recruited. 64-slice multidetector row computed tomography coronary angiography was performed to determine prevalence of coronary atherosclerosis, coronary stenosis, and quantitative plaque burden. RESULTS: HIV-infected men demonstrated higher prevalence of coronary atherosclerosis than non-HIV-infected men (59 vs. 34%; P = 0.02), higher coronary plaque volume [55.9 (0-207.7); median (IQR) vs. 0 (0-80.5) μl; P = 0.02], greater number of coronary segments with plaque [1 (0-3) vs. 0 (0-1) segments; P = 0.03], and higher prevalence of Agatston calcium score more than 0 (46 vs. 25%, P = 0.04), despite similar Framingham 10-year risk for myocardial infarction, family history of CAD, and smoking status. Among HIV-infected patients, Framingham score, total cholesterol, low-density lipoprotein, CD4/CD8 ratio, and monocyte chemoattractant protein 1 were significantly associated with plaque burden. Duration of HIV infection was significantly associated with plaque volume (P = 0.002) and segments with plaque (P = 0.0009) and these relationships remained significant after adjustment for age, traditional risk factors, or duration of antiretroviral therapy. A total of 6.5% (95% confidence interval 2-15%) of our study population demonstrated angiographic evidence of obstructive CAD (>70% luminal narrowing) as compared with 0% in controls. CONCLUSION: Young, asymptomatic, HIV-infected men with long-standing HIV disease demonstrate an increased prevalence and degree of coronary atherosclerosis compared with non-HIV-infected patients. Both traditional and nontraditional risk factors contribute to atherosclerotic disease in HIV-infected patients.

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