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- W2981536210 abstract "Abstract Purpose To assess coronary artery disease (CAD) characteristics by coronary CT-angiography (CTA) in individuals with HIV-infection on long-term ART in a retrospective matched case-controlled cohort study. Methods 69 HIV positive patients who underwent 128-slice dual source coronary CTA (mean age 54.9 years, 26.1% females) with mean 17.8±9.4 years of HIV-infection and a mean duration on ART of 13±7.3 years were propensity score matched with 69 HIV negative controls. CTA was evaluated for: Stenosis severity (CAD-RADS), total plaque burden, mixed-non-calcified plaque burden (G-score), high-risk-plaque (HRP) features (Napkin-Ring-Sign, low-attenuation-plaque, spotty calcification, positive remodeling), perivascular fat attenuation index (FAI) and ectatic coronary segments. Results CAD-RADS was higher in HIV-positive participants as compared to controls (2.21±1.4 vs 1.69±1.5, p=0.031). A higher prevalence of CAD and G-score (p=0.043 and p=0.003) were found. HRP prevalence (23 (34.3%) vs 8 (12.1%); p=0.002) and the number of HRP (36 vs 10, p<0.001) were higher in HIV-positive individuals. A positive perivascular FAI >-70 HU was present in 27.8% of HRP. Ectatic coronary arteries were found in 10 (14.5%) individuals with HIV-infection vs 0% in controls (p=0.003). Conclusion(s) HIV positive individuals on long-term ART display higher CAD burden and more HRP indicating vulnerable, potentially inflamed plaques. CT- Angiography results HIV+ (N=67) HIV− (N=67) P-value CAD prevalence (any plaque), n (%) 56 (83.6) 46 (68.7) 0.043 SSS, mean ±SD 1.16±1.6 0.95±2.1 0.038 CAD RADS 0 11 22 1 11 7 2 10 21 <0.001 3 23 4 4 12 13 Total >50%, n (%) 35 (52.2) 17 (25.4) 0.001 CAD RADS, mean ±SD 2.21±1.4 1.69±1.5 0.031 SIS, mean ±SD 3.93±3.0 3.06±3.1 0.067 G-score, mean ±SD 10.04±8.5 5.76±5.9 0.003 Calcium score, mean ±SD 149.4±287.1 133.2±329.3 0.015 HRP, n (%) 23 (34.3) 8 (12.1) 0.002 HRP, n 36 10 <0.001 Non-calcifying plaque component, n (%) 44 (65.7) 34 (51.5) 0.097 Ectatic coronary segments, n (%) 10 (14.5) 0 (0) 0.003 CAD RADS: coronary artery disease reporting and data system; CCS: coronary calcium score; HRP: high-risk plaque; SIS: segment involvement score; SSS: stenosis severity score. 60 yo HIV-infected (31 yrs) male patient These features strongly support the predominant inflammatory theory of cardiovascular events in HIV-infected individuals. Acknowledgement/Funding None" @default.
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- W2981536210 date "2019-10-01" @default.
- W2981536210 modified "2023-09-27" @default.
- W2981536210 title "P6156Coronary atherosclerosis characteristics in long-term antiretroviral therapy and HIV infection: insights from coronary CTA" @default.
- W2981536210 doi "https://doi.org/10.1093/eurheartj/ehz746.0762" @default.
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