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American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    Do CMS Oversight and the Systems Improvement Agreement Really Change Institutional Behavior?

    C. Hoopes

    University of Alabama Birmingham, Birmingham, AL

    *Purpose: A Systems Improvement Agreement (SIA) is a voluntary and binding legal agreement between CMS and a Medicare certified hospital designed to address Condition level…
  • 2022 American Transplant Congress

    Liver Outcomes and Equity (LOEq) Index: Neighborhood-Level Social Determinants of Health and Waitlist Disparities for Adult Liver Transplantation

    K. Zhou, L. S. Kuo, L. K. Thompson, J. L. Dodge, M. G. Cockburn, N. Terrault

    University of Southern California, Los Angeles, CA

    *Purpose: Impact of neighborhood-level social determinants of health (SDOH) among adult liver transplant (LT) candidates is largely unknown. We constructed a novel index (LOEq) to…
  • 2022 American Transplant Congress

    NK Cells in Kidney Allograft Antibody-mediated Rejection Display Increased Proliferation, IL-21 Responsiveness, Type-1 Activation, and Cytotoxic Profile

    E. Bailly1, C. Macedo1, K. Louis2, X. Gu1, B. Ramaswami1, M. Lucas1, C. Bentlejewski1, A. Zeevi1, P. Randhawa1, C. Lefaucheur2, D. Metes1

    1Thomas E. Starzl Transplantation Institute, Pittsburgh, PA, 2INSERM UMR-S976. Endothelium, Inflammation & Alloreactivity, Paris, France

    *Purpose: The role of NK cell during antibody-mediated rejection (ABMR) has been previously recognized, but an in-depth characterization of pathways that contribute to such immune…
  • 2022 American Transplant Congress

    Heterogeneity in Center Practices in Liver Transplantation for Alcohol-Associated Liver Disease in the United States

    N. Lim1, A. Kwong2, S. Jafri3, M. Jesse3, M. Kriss4, K. Nair5, A. Pillai6, A. Shingina7, A. Desai8

    1Division of Gastroenterology, Hepatology & Nutrition, University of Minnesota, Minneapolis, MN, 2Stanford University, Palo Alto, CA, 3Henry Ford Hospital, Detroit, MI, 4University of Colorado School of Medicine, Aurora, CO, 5Community Health Network, Indianapolis, IN, 6University of Chicago, Chicago, IL, 7Vanderbilt University, Nashville, TN, 8Indiana University, Indianapolis, IN

    *Purpose: Alcohol-associated liver disease (ALD) is now the leading indication for liver transplantation (LT) in the United States (US), particularly since LT has emerged as…
  • 2022 American Transplant Congress

    Resource Expenditure in the Evaluation of Older Donors for Heart Transplant: An Impediment to Donor Pool Expansion?

    B. Wayda1, J. G. Zaroff2, N. Neidlinger3, P. Geraghty4, R. P. Wood5, J. Nieto5, T. C. Pearson6, B. Nicely7, K. K. Khush1

    1Stanford University School of Medicine, Stanford, CA, 2Kaiser Permanente Northern California, Oakland, CA, 3University of Wisconsin School of Medicine, Madison, WI, 4Donor Network of Arizona, Tempe, AZ, 5LifeGift, Houston, TX, 6Emory University School of Medicine, Atlanta, GA, 7Gift of Life Michigan, Ann Arbor, MI

    *Purpose: Using older donors for heart transplant (HT) could alleviate donor scarcity but the resource implications of this strategy - and whether evaluation of older…
  • 2022 American Transplant Congress

    Development of a Dynamic Map of Peripheral Myeloid Cells Associated with Acute Rejection of Vascularized Composite Tissue Allografts

    J. T. Harden1, S. E. Fuentes1, X. Wang1, J. Enriquez1, A. Reitsma1, C. 0. Esquivel2, O. M. Martinez3, S. M. Krams3

    1Transplant Immunology, Stanford University School of Medicine, Stanford, CA, 2Abdominal Transplantation, Stanford University School of Medicine, Stanford, CA, 3Transplant Immunology and Abdominal Transplantation, Stanford University School of Medicine, Stanford, CA

    *Purpose: Myeloid cells are involved in early alloactivation in response to organ allografts and can initiate acute rejection. The heterogeneity of myeloid populations and the…
  • 2022 American Transplant Congress

    A Signature of Tolerance Which Identifies Subclinical Rejection-Free Patients at One Year After Kidney Transplantation

    R. Danger1, L. Le Berre1, M. Cadoux1, C. Kerleau1, P. Guérif1, E. Morelon2, O. Thaunat2, C. Legendre3, D. Anglicheau3, K. Renaudin1, M. Giral1, S. Brouard1

    1Centre de Recherche en Transplantation et Immunologie (CRTI), UMR 1064, ITUN, Nantes Université, CHU Nantes, Inserm, Nantes, France, 2Edouard Herriot Hospital, Hospices Civils de Lyon, Inserm U1111, Lyon-Est Medical Faculty, Claude Bernard University (Lyon 1), Lyon, France, 3APHP, Necker-Enfants Malades Institute, Inserm, Paris University, Paris, France

    *Purpose: Spontaneous and rare cases of patients undergoing a functional renal transplant in the absence of immunosuppression represent a particular situation of immune tolerance. We…
  • 2022 American Transplant Congress

    Perioperative IL-6 Blockade Promotes Intra-Graft Regulation and Prevents Costimulation-Blockade Resistant Rejection

    M. Muckenhuber1, K. Mengrelis1, A. M. Weijler1, V. Kainz1, R. Steiner1, H. Regele2, T. Wekerle1

    1Dept. of General Surgery, Div. of Transplantation, Medical University of Vienna, Vienna, Austria, 2Dept. of Pathology, Medical University of Vienna, Vienna, Austria

    *Purpose: Our group has recently shown that CTLA4-Ig monotherapy leads to limited murine heart allograft survival associated with decreased Treg frequencies and early acute T-cell…
  • 2022 American Transplant Congress

    Possible Recurrence Must Not Limit Kidney Transplantations for Patients with Focal Segmental Glomerulosclerosis

    A. Angeletti, M. Gentile, G. Ghiggeri, M. Bruschi, F. Lugani, G. Caridi

    Istituto Giannina Gaslini, Genova, Italy

    *Purpose: Non-genetic forms of Focal Segmental Glomerulosclerosis (FSGS) are at high risk of recurrence after kidney transplant (KT) (55%), when compared to inherited forms (0-4%)…
  • 2022 American Transplant Congress

    Normothermic Machine Perfusion (NMP) Improves Access to Transplantation for Late Liver Re-Transplant Candidates

    D. Sneiders1, H. Lembach1, A. Hann1, A. Nutu1, J. Hodson1, J. Isaac1, R. Taylor2, M. Armstrong1, T. Perera1, H. Hermien1

    1Queen Elizabeth Hospital, Birmingham, United Kingdom, 2NHS Blood and Transplant, bristol, United Kingdom

    *Purpose: Late liver re-transplantation (LLrT) is a complex surgical procedure. Candidates for LLrT spend longer on the waitlist than primary transplant candidates due to selectivity…
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