ATC Abstracts

American Transplant Congress abstracts

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  • 2022 American Transplant Congress

    Distinct Phenotypes of Kidney Transplant Recipients Aged 80 Years or Older in the United States by Machine Learning Consensus Clustering

    S. A. Mao1, C. Thongprayoon2, M. A. Mao3, C. C. Jadlowiec4, N. Leeaphorn5, M. Cooper6, W. Cheungpasitporn2

    1Transplant Surgery, Mayo Clinic, Jacksonville, FL, 2Nephrology and Hypertension, Mayo Clinic, Rochester, MN, 3Nephrology and Hypertension, Mayo Clinic, Jacksonville, FL, 4Transplant Surgery, Mayo Clinic, Phoenix, AZ, 5Renal Transplant Program, University of Missouri-Kansas City School of Medicine/Saint Luke's Health System, Kansas City, MO, 6MedStar Georgetown Transplant Institute, Georgetown University School of Medicine, Washington, DC

    *Purpose: Our study aimed to cluster very elderly kidney transplant recipients aged 80 years and above using an unsupervised machine learning approach.*Methods: We performed consensus…
  • 2022 American Transplant Congress

    Allo-Sensitization is Increased in Liver Transplant Recipients Following Ischemia-Reperfusion Injury

    R. A. Sosa, A. Q. Terry, Y. Yin, B. V. Naini, F. M. Kaldas, R. W. Busuttil, D. W. Gjertson, J. W. Kupiec-Weglinski, E. F. Reed

    UCLA, Los Angeles, CA

    *Purpose: Recipient sensitization to donor HLA antigens remains an important clinical problem in transplantation, leading to increased wait times to find a compatible donor and…
  • 2022 American Transplant Congress

    Comparative Analysis of Liver Organ Offers Pre- and Post- Acuity Circle Policy Change in the US

    V. Reddy1, R. Ruiz2, H. Fernandez3, J. Bayer3, E. Martinez3, A. Gupta3, G. McKenna4, N. Onaca3, S. Lee3, T. Ma3, G. Testa3, A. Wall3

    1Baylor Scott and White Research Institute, Allen, TX, 2Baylor University Medical Center, Fort Worth, TX, 3Baylor University Medical Center, Dallas, TX, 4Baylor Simmons Transplant Inst, Dallas, TX

    *Purpose: With the intended goal of reducing geographic inequities, the United Network for Organ Sharing (UNOS) and Organ Procurement and Transplantation Network (OPTN) transitioned to…
  • 2022 American Transplant Congress

    Characteristics and Outcomes of Anhepatic Patients Listed for Liver Retransplantation

    R. G. Kathawate1, T. Ibeabuchi2, P. Abt2, T. Bittermann2

    1University of Michigan, Ann Arbor, MI, 2University of Pennsylvania, Philadelphia, PA

    *Purpose: The frequency and outcomes of anhepatic patients listed for transplantation in the United States has not been previously described. The United Network for Organ…
  • 2022 American Transplant Congress

    Impact of Recipient Obesity on Kidney Transplantation Outcome: A Retrospective Cohort Study with a Matched Comparison

    A. Buemi

    Surgery, Cliniques Universitaires Saint Luc, Bruxelles, Belgium

    *Purpose: The aim of this study was to evaluate the effect of recipient obesity on posttransplant complications and patient and graft survival.*Methods: A single-institution, retrospective…
  • 2022 American Transplant Congress

    Liver and Kidney Transplantation from Donation After Circulatory Death Heart Donors in the US: Better Early Outcomes with Normothermic Regional Perfusion versus Cold Flush

    M. Rosenzweig1, R. Ruiz2, E. Martinez1, A. Gupta1, H. Fernandez1, S. Lee1, N. Onaca1, J. Bayer1, G. J. McKenna1, T. Ma1, G. Testa3, A. Wall1

    1Baylor University Medical Center, Dallas, TX, 2Baylor University Medical Center, Fort Worth, TX, 3Baylor Dallas, Dallas, TX

    *Purpose: Donation after circulatory death (DCD) heart donation is increasingly common in the US. The two methods for DCD heart donation are normothermic regional perfusion…
  • 2022 American Transplant Congress

    Impact of Donor-to-Recipient Body Surface Area Ratio on Graft Survival and Mortality Following Deceased Donor Liver Transplants

    S. Radomski, L. Zeiser, A. Massie, S. Ottmann, D. Segev, E. King

    Surgery, Johns Hopkins University, Baltimore, MD

    *Purpose: The impact of size mismatch on graft survival in living donor liver transplant is well established but is not a common concern in deceased…
  • 2022 American Transplant Congress

    Pre-Transplant Self-Report of Length of Sobriety is Not Significantly Related to Early Return to Alcohol Use Post Transplant

    J. Esswein1, A. Powell1, H. Bruschwein2, S. Weinland1

    1Psychiatry, VCU School of Medicine, Richmond, VA, 2The University of Virginia, Charlottesville, VA

    *Purpose: Many transplant centers in the United States require six months of abstinence from alcohol prior to liver transplant. Recently, there has been an increased…
  • 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

    Donors’ Perceptions of Uterus Donation Motivations, Informed Consent and Value: A Qualitative Study of Dallas Uterus Transplant Study (duets) Participants

    A. Wall1, J. Hagen2, V. Reddy3, E. Gordon4, L. Johannesson1, G. Testa1

    1Abdominal Transplant Surgery, Baylor University Medical Center, Dallas, TX, 2Baylor University Medical Center, Dallas, TX, 3Baylor Transplant Research Institute, Dallas, TX, 4Northwestern Feinberg School of Medicine, Chicago, IL

    *Purpose: Clinical trials have demonstrated the feasibility and reproducibility of uterus transplantation (UTx) to treat absolute uterine factor infertility. Successful live births have resulted from…
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