ATC Abstracts

American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    The Acuity Circle Allocation Policy is Associated with Worse Graft Survival After Liver Transplant with Donation After Circulatory Death Donors in Low-MELD Centers

    T. Kitajima1, T. Ivanics2, D. Moonka1, M. Shamaa1, A. Mohamed3, S. Shimada1, K. Collins4, M. Rizzari1, A. Yoshida1, M. Abouljoud4, S. Nagai1

    1Henry Ford Hospital, Detroit, MI, 2Surgery, Henry Ford Hospital, Detroit, MI, 3Department of Transplant and Hepatobiliary Surgery, Henry Ford Hospital, Detroit, MI, 4Henry Ford Transplant Institute, Detroit, MI

    *Purpose: Liver allocation in the United States was updated in February of 2020, with introduction of the acuity circle (AC) model. However, the effect of…
  • 2022 American Transplant Congress

    CoVID-19 Vaccine Efficacy in Heart Transplant Recipients, a Single Center Experience

    M. Yu1, S. B. Sharmin2, C. Joyce3, Z. Pieters1, S. DeSirkar1, M. Thomas1, S. Kim1, E. Bruno1, M. Liebo1, A. Heroux4, N. Clark1, G. Reid1, S. Uprichard2

    1Loyola University Medical Center, Maywood, IL, 2Microbiology and Immunology, Loyola University Chicago, Chicago, IL, 3Department of Public Health Sciences, Loyola University Chicago, Chicago, IL, 4Loyola Univ Medical Ctr, Maywood, IL

    *Purpose: Transplant recipients have worse CoVID-19 survival compared to the general population, and thus are recommended to be vaccinated and boosted. Determinants of vaccination efficacy…
  • 2022 American Transplant Congress

    BK Polyomavirus and Cytomegalovirus Infections in Kidney Transplantation from Hepatitis C Positive Donors to Uninfected Recipients

    I. Yakubu, V. Amrutiya, I. Moinuddin, M. Levy, G. Gupta, A. Azhar

    Virginia Commonwealth University, Richmond, VA

    *Purpose: Transplantation of hepatitis C viremic (HCV) donor kidneys into uninfected recipients (D+/R-) is becoming more common in the United States. However, the long-term risks…
  • 2022 American Transplant Congress

    Novel Immune Checkpoint Molecule TIGIT Mediates Experimental Kidney Ischemia Reperfusion Injury

    S. Noel, K. Lee, S. Gharaie, J. T. Kurzhagen, H. Rabb

    Medicine, Johns Hopkins University, Baltimore, MD

    *Purpose: T cells play both pathogenic and reparative roles in kidney ischemia reperfusion injury (IRI) but the molecular mechanisms regulating kidney T cell functions are…
  • 2022 American Transplant Congress

    Trajectory Analysis Of Single Cell RNAseq Data Suggest Intrarenal Induction Of Tregs In Spontaneously Accepted Kidney Allografts

    M. Guinn1, E. S. Szuter1, T. Yokose1, J. Ge2, B. Kwon1, I. Rosales3, P. S. Russell1, A. Cuenca2, J. Madsen1, R. Colvin3, A. Alessandrini1

    1Department of Surgery, Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, 2Department of Surgery, Boston Children's Hospital, Boston, MA, 3Department of Pathology, Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA

    *Purpose: Kidney allografts transplanted across certain mouse strain combinations (e.g. DBA/2 to B6) are spontaneously accepted independent of the recipient’s thymus, spleen, and lymph nodes.…
  • 2022 American Transplant Congress

    Renal Function at Five Years from a Randomized Multicenter Trial of Belatacept-Based CNI Free and Early Steroid Withdrawal Immunosuppression

    E. Yanqui1, H. Hames1, A. R. Shields1, T. Shi1, A. L. Christianson1, J. Kremer2, A. Govil1, R. R. Alloway1, E. S. Woodle1

    1University of Cincinnati, Cincinnati, OH, 2Christ Hospital, Cincinnati, OH

    *Purpose: BENEFIT and BENEFIT EXT trials have demonstrated that belatacept-based immunosuppression was associated with improved long term renal allograft function compared to cyclosporine-based immunosuppression. Similar…
  • 2022 American Transplant Congress

    Quantification of Center Aggressiveness in Accepting Sub-Optimal Kidney Donations from Deceased Donors in the US

    T. P. Chiang1, M. Eagleson1, A. Massie1, M. Krach1, D. Segev1, J. Garonzik Wang2

    1Department of Surgery, Johns Hopkins University, Baltimore, MD, 2School of Medicine and Public Health, University of Wisconsin, Madison, WI

    *Purpose: Understanding center-level differences in usage of marginal deceased-donor kidneys (suboptimal kidneys, SOK) can help centers increase their deceased-donor transplant rate (DDKT), and to direct…
  • 2022 American Transplant Congress

    Variation in Immunosuppressive Regimen in Children Receiving Liver Transplants: An Analysis of the UNOS Database

    V. K. Raghu1, J. E. Squires1, C. Confair2, E. Katz-Eisenberg2, G. V. Mazariegos3, E. R. Perito4

    1Pediatrics, University of Pittsburgh, Pittsburgh, PA, 2Starzl Network for Excellence in Pediatric Transplantation, Pittsburgh, PA, 3UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, 4Pediatrics, University of California San Francisco, San Francisco, CA

    *Purpose: Optimizing immunosuppression (IS) was identified as a priority for pediatric liver transplant (LT) families and providers in the Starzl Network, a multi-center learning health…
  • 2022 American Transplant Congress

    Surveillance with Protocol Biopsies for Rejection Significantly Impacts Survival Following Intestine Transplant

    J. R. Sherwood1, Y. Ichkhanian2, N. Beltran3, S. Nagai3, S. Jafri4

    1Wayne State School of Medicine, Detroit, MI, 2Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, 3Department of Transplant Surgery, Henry Ford Hospital, Detroit, MI, 4Division of Gastroenterology and Hepatology, Henry Ford Hospital, Detroit, MI

    *Purpose: Frequent surveillance biopsy is required on the first month post intestinal transplant(IT) due to high-risk of acute rejection. However, the utility and the frequency…
  • 2022 American Transplant Congress

    Novel Portable Hypothermic Cardiac Preservation Device Enhances Cardiac Viability and Function of the Isolated Porcine Hearts

    K. Andrijauskaite, R. J. Veraza, R. P. Lopez, E. C. Cisneros, I. J. Jessop, M. D. Watt, L. Bunegin

    Vascular Perfusion Solutions, Inc, San Antonio, TX

    *Purpose: Cardiac heart transplantation is the gold standard for treating end-stage heart failure; however, the list of patients waiting for heart transplants continues to increase.…
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