ATC Abstracts

American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    Longitudinal Analysis of Donor-Derived Cell-Free DNA (dd-cfDNA) in En-Bloc Kidney Transplantation

    S. K. Akkina1, J. Klein2, A. Khalil3, G. Shekhtman4, S. Patel4, N. Agrawal4, M. Fei4, N. Singh5, A. Desai1

    1Loyola University Medical Center, Maywood, IL, 2University of Kansas Medical Center, Kansas City, KS, 3Dallas Nephrology Associates, Dallas, TX, 4CareDx, Brisbane, CA, 5Willis Knighton Health System, Shreveport, LA

    *Purpose: The longitudinal dd-cfDNA patterns in en-bloc kidney transplant recipients have not been studied. It is unknown how the initial smaller mass of the two…
  • 2022 American Transplant Congress

    Factors Linked with Evaluation to Wait Listing for Referred Patients at the University of Texas Medical Branch’s Main Center and Outreach Clinic – A Step Towards Kidney Transplantation

    A. Rizvi1, M. Mujtaba2, S. Hussain3, J. Fair4, M. Kueht4, A. Gamilla-Crudo5

    1Internal Medicine, Nephrology, University of Texas Medical Branch, Galveston, TX, 2University of Texas Medical Branch, Galveston, TX, 3University of Texas Medical Branch, Houston, TX, 4Surgery, University of Texas Medical Branch, Galveston, TX, 5University of Texas Medical Branch, League City, TX

    *Purpose: Numerous factors can be associated with transplant candidates’ placement on the wait list. We herein set forth to assess patient characteristics and factors associated…
  • 2022 American Transplant Congress

    Belatacept Augments Mixed Chimerism in a Novel Nonhuman Primate Kidney Transplant Tolerance Induction Protocol

    S. C. Kim, C. J. Little, J. H. Fechner, P. J. Chlebeck, J. Post, A. D'Alessandro, D. B. Kaufman

    University of Wisconsin, Madison, WI

    *Purpose: A novel protocol of antilymphocyte globulin (ATG), tomotherapy-based total lymphoid irradiation (TomoTLI), and adoptive cellular transfer was developed in a preclinical model of MHC-mismatched…
  • 2022 American Transplant Congress

    Textbook Outcome in Lung Transplantation: Planned VA ECMO versus Off-Pump

    S. E. Halpern1, M. C. Wright2, G. Madsen2, B. Chow2, J. C. Haney3, J. A. Klapper3, B. A. Bottiger2, M. G. Hartwig3

    1Duke University School of Medicine, Durham, NC, 2Anesthesiology, Duke University Medical Center, Durham, NC, 3Surgery, Duke University Medical Center, Durham, NC

    *Purpose: Planned venoarterial extracorporeal membrane oxygenation (VA ECMO) is increasingly used during bilateral orthotopic lung transplantation (BOLT) and may be superior to off-pump (OP) support…
  • 2022 American Transplant Congress

    PFIC- Outcome and Time to Transplant After Biliary Diversion According to Genetic Subtypes

    M. Schulze1, A. Sahloul2, E. Lainka3

    1Organ Transplant Centre of Excellence, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia, 2Department of General, Visceral and Transplant Surgery, University Hospital Essen, Essen, Germany, 3Department of Pediatric Gastroenterology, University Hospital Essen, Essen, Germany

    *Purpose: Progressive familial intrahepatic Cholestasis (PFIC) is a heterogeneous autosomal recessive disease characterized by progressive cholestasis, pruritus leading to liver injury. Surgical therapy aims in…
  • 2022 American Transplant Congress

    Alloprimed Antibody-Suppressor CD8+ T Cells Preferentially Kill Alloprimed Germinal Center B Cells

    J. Zimmerer, S. Chaudhari, G. Bumgardner

    OSUWMC, Columbus, OH

    *Purpose: Antibody-mediated rejection (AMR) is a significant contributor to transplant rejection. Our prior work identified a novel subset of CXCR5+CD8+ T cells (CD8+ TAb-supp cells)…
  • 2022 American Transplant Congress

    ‘Adjuvant Conditioned’ Myeloid Derived Suppressor Cells Prolong Islets Graft Survival Through IL-10 Production

    J. Ge1, L. Ott1, A. Das1, J. Markmann2, A. Cuenca1

    1Department of Surgery, Boston Children's Hospital, Boston, MA, 2Division of Transplant Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA

    *Purpose: Advances in immunosuppression have been relatively stagnant over the last 2 decades and transplant patients continue to experience morbidity associated with immunosuppression regimens. Through…
  • 2022 American Transplant Congress

    Differences of Fk-Binding Protein 12 and P-Glycoprotein Explain the Differences in the Intracellular Tacrolimus Concentration of T Lymphocytes and Monocytes

    S. Udomkarnjananun, C. Baan, B. de Winter, D. Hesselink

    Erasmus MC, Rotterdam, Netherlands

    *Purpose: Little is known about the pharmacokinetics of intracellular tacrolimus, particularly in T lymphocytes and monocytes. We demonstrated a significantly lower intracellular tacrolimus concentration in…
  • 2022 American Transplant Congress

    Desensitization Using Costimulatory Blockade and Bortezomib to Prevent DSA Formation and Rejection in Reconstructive Transplantation

    B. Oh, F. Messner, Y. Guo, G. Brandacher

    Johns Hopkins University School of Medicine, Baltimore, MD

    *Purpose: Sensitization in form of donor-specific antibodies (DSA) and subsequent antibody-mediated rejection constitute some of the greatest risk factors for allograft rejection and long-term graft…
  • 2022 American Transplant Congress

    Early Evaluation Of The Impact Of Change In UNet Organ Refusal Code Reasons On Us Transplant Center Organ Offers

    S. Noreen1, C. Martinez1, S. Mohan2, K. McCharen1, A. Placona1, R. Patzer3

    1United Network for Organ Sharing, Richmond, VA, 2Columbia University Medical Center, New York, NY, 3Emory University, Atlanta, GA

    *Purpose: On December 2, 2021 a new set of organ refusal codes was implemented in DonorNet. These new codes were meant to provide more relevant…
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