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• W3014137002 abstract "Purpose Heart transplantation from Hepatitis C (HCV) viremic donors is becoming increasingly used due to advent of direct acting antiviral drugs with almost 100% cure. There are limited data about its impact on cardiac allograft vasculopathy (CAV). We report the incidence of CAV in heart transplant recipients from HCV viremic donors (nucleic amplification test positive; NAT+) compared to non-HCV infected donors (NAT-). Methods We retrospectively reviewed coronary angiograms with intravascular ultrasound (IVUS) of heart transplant recipients at our institution from January 5, 2018 to September 17, 2019. The presence of CAV was graded according to ISHLT guidelines. IVUS was performed as per our lab protocol on the left main and left anterior descending arteries. Maximal intimal thickness (MIT) was measured with advanced quantification software as per protocol. MIT ≥ 5mm was considered significant for future adverse outcomes. Results LHC and IVUS was performed on 24 heart transplant recipients (mean age 56; 70% male) at 1- year post transplant. Eleven of these patients were transplanted from NAT+ donors. Thirteen patients received a NAT- donor heart. Two recipients (18.7%) of NAT+ donors had CAV grade ≥ 1 compared to 2 (16.7%) from NAT- donors (p=1). MIT ≥ 5mm was seen in 88.9% of NAT+ vs 50% of NAT- recipients (p=0.14) (Figure). The mean MIT was 76mm and 65mm for NAT+ and NAT- group, respectively. Both NAT+ and NAT- donor recipients exhibit mostly eccentric (84.2%) and few (15.7%) demonstrated concentric plaques. There was no heterogeneity in the data after adjusting for risk factors for CAD and donor LHC. Conclusion Our data show no difference in the presence of (CAV ≥ grade 1) or subclinical atherosclerosis at 1 year among NAT+ donor recipients. HCV viremia is a known risk factor for accelerated atherosclerosis and the consequence of prolonged donor viremia on the recipient is not known. A larger cohort and further longitudinal follow-up is needed to assess the validity of this trend and its prognostic implications." @default.
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• W3014137002 date "2020-04-01" @default.
• W3014137002 modified "2023-10-14" @default.
• W3014137002 title "Cardiac Allograft Vasculopathy in Heart Transplant Recipients from Hepatitis C Viremic Donors" @default.
• W3014137002 doi "https://doi.org/10.1016/j.healun.2020.01.1004" @default.
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