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American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    Contributions of Allogenicity and Antigen Presentation to Regulatory B Cell Suppression

    K. Lee, F. Qiang, K. Deng, R. Matheson, J. Lei, C. LeGuern, J. Markmann

    Center for Transplantation Sciences, Boston, MA

    *Purpose: We previously generated in vitro Toll-like receptor (TLR)-activated B cells became regulatory B cells (Bregs) that suppress T cell proliferation and promote allograft tolerance.…
  • 2022 American Transplant Congress

    Contacts Between Organ Donor Families and Their Recipients is Therapeutic for Both Sides in Most Cases

    R. Green

    Nicholas Green Foundation, La Canada Flintridge, CA

    *Purpose: The study's purpose is to discover if making it possible for organ donor families to contact their recipients -- when both sides express the…
  • 2022 American Transplant Congress

    Biopsy and Blood Gene Expression Profiles Distinguish Injury, Subclinical and Clinical Rejection in Kidney Transplant Recipients

    S. Kurian1, M. Kandpal2, C. Rebello2, C. Marsh1, J. Friedewald2

    1Scripps Health, La Jolla, CA, 2Northwestern University, Chicago, IL

    *Purpose: We analyzed serial gene expression profiles in paired blood and biopsies from kidney transplant recipients phenotyped with a comprehensive clinical algorithm. We compared disease…
  • 2022 American Transplant Congress

    Impact of the Weekend Effect on Adult and Pediatric Liver or Kidney Offer Acceptance

    T. Yamamoto, M. Fruscione, A. Shah, L. Dageforde, S. Kimura, H. Yeh, N. Elias, T. Kawai, J. F. Markmann

    Transplant Surgery, Massachusetts General Hospital/Harvard Medical School, Boston, MA

    *Purpose: Weekends may impose resource and manpower constraints on hospitals. Studies using data from prior allocation schemas showed increased adult organ discards on weekends. We…
  • 2022 American Transplant Congress

    Characteristics of OPOs with Increased Education Spending, 2013-2018

    J. Roberts1, J. L. Bragg-Gresham2, T. Peters3, F. McCormick4

    1University of California-San Francisco, San Francisco, CA, 2University of Michigan, Ann Arbor, MI, 3University of Florida, Jacksonville, FL, 4Bank of America (former), Walnut Creek, CA

    *Purpose: OPO spending on education would be expected to increase donor registration and increase the number of donors. Using data from multiple sources, we examined…
  • 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…
  • 2022 American Transplant Congress

    Regulatory T Cells Suppress Memory IFN-Gamma Production in Highly Sensitised Patients

    C. Dudreuilh1, S. Basu1, O. Shaw2, H. Burton1, C. Domingo-Vila1, T. Tree1, G. Lombardi1, C. Scotta1, A. Dorling1

    1King's College London, London, United Kingdom, 2Viapath Clinical Transplantation Laboratory, Guy's Hospital, London, United Kingdom

    *Purpose: Highly sensitized patients (HS) present worse long-term outcome after transplantation compared to those without donor-specific antibodies (DSA). It has been suggested that desensitisation using…
  • 2022 American Transplant Congress

    Fixed-Dose Rituximab for Pre-Transplant DSA in Kidney Transplant Recipients

    K. Progar1, K. Kurwicki2, N. Nesselhauf3, J. Hagopian4, S. January5, H. Wijeweera6, M. McCloskey7, M. Merzkani8, R. Delos Santos9

    1Transplant, Barnes-Jewish Hospital, St. Louis, MO, 2SSM Health Saint Louis University Hospital, Saint Louis, MO, 3Barnes-Jewish Hospital, Edwardsville, IL, 4Pharmacy, University of Michigan, Ann Arbor, MI, 5Pharmacy, Barnes-Jewish Hospital, Saint Louis, MO, 6Washington University, Saint Louis, MO, 7Barnes-Jewish Hospital, St. Louis, MO, 8Washington University, St Louis, MO, 9Transplant, Washington University, St. Louis, MO

    *Purpose: Donor specific antibodies (DSAs) occur in 15-30% of kidney transplant recipients (KTRs) and are associated with rejection and graft loss. Rituximab (RTX), an antiCD20…
  • 2022 American Transplant Congress

    Equivalence of Pediatric Paper and Electronic-Based Patient-Reported Outcome Measures: Findings from a Systematic Review

    S. Kortbeek1, A. Pawaria2, V. L. Ng1

    1Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada, 2Pediatric Hepatology, Gastroenterology and Liver Transplant, Global Hospitals, Mumbai, India

    *Purpose: Integration of patient reported outcome measures (PROMs) in routine clinical care reduces utilisation of health care services and improves patient outcomes. Electronic versions of…
  • 2022 American Transplant Congress

    Immunomodulation in Lung Transplant May Facilitate Transformation of Usual Interstitial Pneumonia Into Pleuroparenchymal Fibroelastosis

    Q. Cai1, K. Batra2, J. R. Torrealba1

    1Department of Pathology, The University of Texas Southwestern Medical Center, Dallas, TX, 2Department of Radiology, The University of Texas Southwestern Medical Center, Dallas, TX

    *Purpose: Pleuroparenchymal fibroelastosis (PPFE) is a rare but distinctive manifestation of interstitial lung disease (ILD) characterized by a highly elastotic pattern of lung fibrosis. Its…
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