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American Transplant Congress abstracts

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Articles tagged "Monitoring"

  • 2019 American Transplant Congress

    Impact of a Novel Digital Medicine Program on Adherence and Utilization in Pediatric Transplant Patients

    S. Sullivan1, K. N. Triplett1, C. Sacks2, M. Tran2, D. M. Desai3

    1Solid Organ Transplant, Children's Medical Center, Dallas, Dallas, TX, 2Proteus Digital Health, Redwood City, CA, 3Transplant Surgery, University of Texas Southwestern Medical Center at Dallas, Dallas, TX

    *Purpose: Purpose: Optimal allograft function and long-term graft survival depends on many factors, including adherence to a complex medication regimen. Methods of measuring adherence are…
  • 2019 American Transplant Congress

    The C-Statistic Provides No Information on the Accuracy of Program Evaluations or the Presence of Unmeasured Confounders

    A. Wey, N. Salkowski, B. Kasiske, M. Skeans, S. Gustafson, A. Israni, J. Snyder

    SRTR, Minneapolis, MN

    *Purpose: The C-statistic of risk-adjustment models is regularly used to assess accuracy of program evaluations or determine presence of unmeasured confounding. However, the C-statistic depends…
  • 2019 American Transplant Congress

    Elevated Donor Derived Cell Free DNA (dd-cfDNA) Levels in the Presence of Donor Specific Antibodies (DSA) Are a Strong Predictor of Antibody Mediated Rejection (ABMR) in Pediatric Renal Transplant Recipients

    D. Puliyanda1, R. D. Swinford2, H. Pizzo1, J. Garrison1, I. Kim1, A. M. De Golovine2, S. Jordan1

    1Pediatric Nephrology, Cedars-Sinai Med Ctr, Los Angeles, CA, 2Pediatric Nephrology, UTHealth, Houston, TX

    *Purpose: A renal biopsy, the gold standard for the diagnosis of antibody mediated rejection (ABMR) in transplant recipients, is invasive and may be associated with…
  • 2019 American Transplant Congress

    CMV-Specific Cell-Mediated Immunity Early after Transplantation Discriminates R+ Transplant Patients at Risk of CMV Infection among Different Solid Organ Transplants

    M. Jarque1, A. Cachero2, E. Garcia-Romero3, L. Lladó2, C. Baliellas2, C. Diez3, E. Melilli4, J. Fabregat2, J. Gonzalez-Costello3, O. Bestard4

    1Experimentall Nephrology laboratory, IDIBELL, L'Hospitalet de Llobregat. Barcelona, Spain, 2Liver Transplant Department, Bellvitge University Hospital, L'Hospitalet de Llobregat. Barcelona, Spain, 3Heart Transplant Unit, Cardiology Department, Bellvitge University Hospital, L'Hospitalet de Llobregat. Barcelona, Spain, 4Kidney Transplantation Unit, Bellvitge University Hospital- IDIBELL, L'Hospitalet de Llobregat. Barcelona, Spain

    *Purpose: While monitoring CMV-specific cell-mediated immunity(CMI) has shown to be effective in predicting the risk of CMV infection, comparisons across different solid organ transplants(SOT) and…
  • 2019 American Transplant Congress

    Predicting Graft Function And Long-term Outcomes Following Kidney Transplantation Using An Intraoperative Tissue Oximetry Sensor

    H. Lau, A. Shimomura, E. Tantisattamo, U. G. Reddy, D. Dafoe, H. Ichii

    University of California Irvine, Orange, CA

    *Purpose: Marginal kidneys have been increasingly used due to the severe shortage of organs. Deceased-donor kidney transplantation is associated with a higher incidence of delayed…
  • 2019 American Transplant Congress

    Biomarker Candidate Discovery for Kidney Allograft Monitoring via Urinary Exosome Proteome Analysis

    J. Kim1, Y. Wee1, M. Choi1, H. Jung1, J. Choi1, H. Kwon1, J. Jung1, Y. Ko1, D. Kim1, K. Kim2, Y. Cho3, H. Go3, Y. Kim1, D. Han1, S. Shin1

    1Department of Surgery, Asan Medical Center, Seoul, Korea, Republic of, 2Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Korea, Republic of, 3Department of Pathology, Asan Medical Center, Seoul, Korea, Republic of

    *Purpose: There is a need for the development of noninvasive molecular biomarkers with high reliability and predictive power for early diagnosis and monitoring of any…
  • 2019 American Transplant Congress

    The Negative Costimulatory Pd-1/pd-l1 Pathway Is Upregulated In Early Cell-mediated Rejection

    T. Kurashige, R. Khedraki, K. Keslar, N. Dvorina, W. Baldwin

    Cleveland Clinic Main Campus, Lerner Research Institute, Cleveland, OH

    *Purpose: Extensive transcript analysis has been performed on grafts at the time of rejection, but gene expression preceding overt rejection is less well studied.*Methods: We…
  • 2019 American Transplant Congress

    Transplant Regimen Adherence For Kidney Recipients By Engaging Information Technologies: The Take It Trial

    D. P. Ladner1, M. S. Wolf2

    1Surgery, Northwestern Medicine, Chicago, IL, 2General Internal Medicine, Northwestern University, Chicago, IL

    *Purpose: Several studies report a high prevalence of inadequate adherence to prescribed (Rx) immunosuppressive (IS) medication regimens among kidney transplant (KT) recipients, yet few interventions…
  • 2019 American Transplant Congress

    Unique Gene Expression Signatures in Urine Distinguish T Cell Mediated Acute Rejection from BK Virus Nephropathy in Kidney Transplant Patients

    K. S. Keslar1, W. Xu2, A. A. Zmijewska3, K. A. Newell4, J. J. Friedewald5, M. I. Abecassis5, P. S. Heeger6, J. S. Bromberg7, R. B. Mannon3, R. L. Fairchild1

    1Cleveland Clinic, Cleveland, OH, 2Nanostring Technologies, Seattle, WA, 3Univ. Alabama Birmingham, Birmingham, AL, 4Emory Univ., Atlanta, GA, 5Northwestern Univ., Chicago, IL, 6Icahn School of Med., New York, NY, 7Univ. Maryland, Baltimore, MD

    *Purpose: There is a need to develop non-invasive approaches to detect ongoing kidney graft injury and distinguish immune from non-immune inflammation to guide therapy. Ideally…
  • 2019 American Transplant Congress

    The Number of Donor-Specific IL-21 Producing Cells before and after Transplantation Predicts Kidney Graft Rejection

    N. M. van Besouw1, L. Yan1, R. de Kuiper1, M. Klepper1, D. Reijerkerk1, M. Dieterich1, D. L. Roelen2, F. H. Claas2, M. C. Clahsen-van Groningen3, D. A. Hesselink1, C. C. Baan1

    1Internal Medicine - Nephrology & Transplantation, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands, 2Immunohematology and Blood Transfusion, Leiden University Medical Centre, Leiden, Netherlands, 3Pathology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands

    *Purpose: Interleukin (IL)-21 supports induction and expansion of CD8+ T cells, and can also regulate the differentiation of B cells into antibody-producing plasma cells. We…
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