ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Graft function"

  • 2021 American Transplant Congress

    Role of Serial Donor Derived Cell-Free DNA Monitoring in Kidney Transplant Recipients

    A. X. Wang, C. R. Lenihan

    Nephrology, Stanford University School of Medicine, Palo Alto, CA

    *Purpose: Donor derived cell-free DNA (dd cf-DNA; Allosure, CareDx) is increasingly employed for non-invasive kidney transplant monitoring. The goal of this study was 1) to…
  • 2021 American Transplant Congress

    Dynamic Forecasting of Patient-Specific Kidney Transplant Function with a Sequence-to-Sequence Deep-Learning Model

    E. Van Loon1, W. Zhang2, A. Van Craenenbroeck1, B. De Moor2, M. Naesens1

    1Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium, 2ESAT Stadius Center for Dynamical Systems, Signal Processing and Data Analytics, KU Leuven, Leuven, Belgium

    *Purpose: Alike other clinical biomarkers, eGFR trajectories are characterized by intra-individual variability, related to biological fluctuations and analytical error. These fluctuations hamper the distinction between…
  • 2021 American Transplant Congress

    Donor-derived Cell-free DNA Distinguishes Acute Rejection from Other Causes of Graft Injury in Liver Transplant Recipients

    J. Levitsky1, M. Miller2, R. Sinha2, E. Bixler2, A. Al-Turck2, J. Weems2, M. Altrich2, S. Kleiboeker2, M. Abecassis3

    1Gastroenterology & Hepatology; Comprehensive Transplant Center, Northwestern University, Chicago, IL, 2Viracor Eurofins, Lees Summit, MO, 3University of Arizona College of Medicine Tucson, Tucson, AZ

    *Purpose: The donor derived cell-free DNA (ddcfDNA) has emerged as strong biomarker for allograft injury, where the fraction of ddcfDNA is reported to increase in…
  • 2021 American Transplant Congress

    Tissue Specific Antigen-presentation in VCA Transplantation

    B. Kern1, J. Mengwasser1, A. Reutzel-Selke1, M. I. Ashraf1, D. Polenz1, K. Fuehrer1, S. Lippert1, P. Tang1, F. Martin1, C. Witzel1, I. M. Sauer1, J. Pratschke1, S. G. Tullius2

    1Dept. of Surgery, Charité Campus CCM|CVK, Universitaetsmedizin Berlin, Germany, Berlin, Germany, 2Division of Transplant Surgery and Transplant Surgery Research Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, MA

    *Purpose: Vascular Composite Tissue Allotransplantation (VCA) has become a clinical reality. High frequencies of acute rejections remain an unsolved problem. Here, we delineated components of…
  • 2021 American Transplant Congress

    Clinical Effect of Post-transplant Av-fistula Ligation on Hemodynamic Status and Kidney Allograft Function

    S. Valavoor, J. Powelson, A. Sharfuddin, O. Adebiyi

    Nephrology, Indiana University, Indianapolis, IN

    *Purpose: Ligation of AVF post kidney transplant often done mostly for esthetic reasons, however, they are occasionally indicated in the presence severe steal syndrome, severe…
  • 2021 American Transplant Congress

    Donor-Derived Cell-Free DNA Can Differentiate Rejection versus Other Causes of Pancreas Transplant Dysfunction

    N. Ali1, J. Miles2, Z. Stewart Lewis1

    1Transplant Institute, NYU Langone Health, New York, NY, 2CareDx, Brisbane, CA

    *Purpose: Assessment and early detection of allograft injury in simultaneous pancreas and kidney (SPK) transplant recipients has clear benefits for optimizing treatment and intervention. Donor-derived…
  • 2021 American Transplant Congress

    Development of Diagnosis Method of Acute Graft Rejection After Kidney Transplantation Using Metabolome Analysis by Liquid Biopsy Approach

    H. Iwamoto1, M. Sugimoto2, O. Konno1, I. Akashi3, M. Okihara1, Y. Kihara1, T. Ueno1

    1Kidney Transplantation Surgery, Tokyo Medical University, Hachioji Medical Center, Tokyo, Japan, 2Research and Development Center for Minimally Invasive and Preemptive Medicine, Institute of Medi, Tokyo Medical University, Tokyo, Japan, 3Kidney transplantation Surgery, Tokyo Medical University, Hachioji Medical Center, Tokyo, Japan

    *Purpose: Presently, a definitive diagnosis of organ dysfunction after transplantation (such as acute rejection) is dependent on conventional histopathological evaluation using an invasive biopsy procedure…
  • 2021 American Transplant Congress

    Nrf2 Assessment in Discarded Liver Allografts: A Role in Allograft Function and Salvage

    O. Ahmed, M. Xu, F. Zhou, A. N. Wein, G. Upadhya, Y. Lin, W. Chapman

    Surgery, Washington University School of Medicine, Saint Louis, MO

    *Purpose: With mounting pressures to optimize organ availability for transplantation, there is a focus on reducing organ discard and attempting to resuscitate declined grafts for…
  • 2021 American Transplant Congress

    Early Conversion to Belatacept-based Therapy Improves Graft Function in Renal Transplant Patients

    N. Huang1, C. J. Yang2, I. Movileanu1, R. H. Dvorai3, K. M. Ecal1, R. F. Saidi1, A. N. Ayla Senay1, B. Gallay4, M. J. Hanlon1, S. Narsipur4, M. R. Laftavi1, R. Shahbazov1

    1Surgery, SUNY Upstate Medical University, Syracuse, NY, 2Pharmacy, SUNY Upstate Medical University, Syracuse, NY, 3Pathology, SUNY Upstate Medical University, Syracuse, NY, 4Medicine, SUNY Upstate Medical University, Syracuse, NY

    *Purpose: Our goal in this study was to assess the impact of early vs late conversion to Belatacept based (Bela) IS in kidney transplant (KT)…
  • 2021 American Transplant Congress

    Therapeutic Response of Late Clinical Cell Mediated Rejection is Modeled by Chronicity Changes

    I. Melgarejo1, V. Visnawathan2, A. Sharma1, P. Sood1, C. Puttarajappa1, C. Wu1, N. Shah1, M. Molinari1, S. Hariharan1, R. Mehta1

    1Starzl Transplant Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, 2Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh Medical Center, Pittsburgh, PA

    *Purpose: Although there is a tendency to treat late clinical TCMR, the responsiveness to steroids is unclear.*Methods: Among kidney transplant recipients, transplanted between Jan 2013…
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