ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Histology"

  • 2019 American Transplant Congress

    Prevention of Diabetic Nephropathy after Kidney Transplantation Requires More Than Pursuing Low Levels of Glycated Hemoglobin

    M. Coemans, E. Van Loon, E. Lerut, D. Kuypers, B. Sprangers, P. Gillard, C. Mathieu, G. Verbeke, M. Naesens

    KU Leuven, Leuven, Belgium

    *Purpose: Diabetic nephropathy is the leading cause of end-stage renal disease and progresses in five stages. During the second stage, morphologic lesions develop, without signs…
  • 2019 American Transplant Congress

    Correlation between Gene Expression and Histology in Transbronchial Lung Transplant Biopsies

    B. Adam, K. Du, S. Rotich, M. Mengel

    University of Alberta, Edmonton, AB, Canada

    *Purpose: Transbronchial lung transplant biopsies (TBBx) are limited by non-specific histologic lesions and suboptimal interobserver reproducibility. Gene expression offers a potentially more precise, objective and…
  • 2019 American Transplant Congress

    Cluster Analysis of Microvascular Inflammation in Indication Biopsies Unveils Distinct Pathological and Immunological Phenotypes with Prognostic Implications

    J. Malheiro1, A. Silva1, S. Santos1, S. Tafulo2, L. Martins1, L. Dias1, A. Castro-Henriques1

    1Centro Hospitalar do Porto, Porto, Portugal, 2IPST_Porto, Porto, Portugal

    *Purpose: We aimed to define distinct pathological and immunological clusters of 80 cases of MVI diagnosed in indication biopsies and evaluate their prognostic implications.*Methods: The…
  • 2019 American Transplant Congress

    Clostridium difficile Infection Mimics Intestinal Acute Cellular Rejection in Pediatric Multivisceral Transplant – A Case Series

    D. A. Cheung1, T. Beduschi2, A. Tekin2, G. Selvaggi2, R. M. Vianna2, J. Garcia1

    1Pediatric Gastroenterology, University of Miami, Miami, FL, 2Surgery, Division of Liver/GI Transplant, University of Miami, Miami, FL

    *Purpose: Clostridium difficile infection (CDI) is the most common healthcare-associated infection in the United States. One out of 8 recipients who undergo transplantation with more…
  • 2019 American Transplant Congress

    Eculizumab Deposition in Renal Transplants

    D. WANG1, S. H. Nasr1, A. B. Farris2, C. A. Schinstock3, M. P. Alexander1, L. D. Cornell1

    1Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, 2Pathology & Laboratory Medicine, Emory University, Atlanta, GA, 3Division of Nephrology & Hypertension, Department of Internal Medicine, Mayo Clinic, Rochester, MN

    *Purpose: Eculizumab is a recombinant humanized IgG monoclonal antibody that inhibits C5, thereby preventing the activation of C5a and formation of membrane attack complex C5b-C9.…
  • 2019 American Transplant Congress

    Kinetics of Pretransplant DSA, Post-Transplant Histology, and Graft Failure after Kidney Transplantation

    A. Senev1, E. Lerut2, V. Van Sandt3, J. Callemeyn1, M. Coemans1, B. Sprangers2, D. Kuypers2, M. Emonds1, M. Naesens2

    1Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium, 2University Hospitals Leuven, Leuven, Belgium, 3Histocompatibility and Immunogenetics Laboratory, Belgian Red Cross-Flanders, Mechelen, Belgium

    *Purpose: The association between the kinetics of pretransplant DSA levels and outcome after kidney transplantation is currently not well known. In this large cohort study…
  • 2019 American Transplant Congress

    Recurrent Diabetic Nephropathy Despite Intensive Glycemic Control: An Observational Cohort Study

    M. Coemans, E. Van Loon, E. Lerut, D. Kuypers, B. Sprangers, P. Gillard, C. Mathieu, G. Verbeke, M. Naesens

    KU Leuven, Leuven, Belgium

    *Purpose: After kidney transplantation, recurrence of diabetic nephropathy has been reported. The presentation and kinetics of recurrent diabetic nephropathy and its risk factors remain however…
  • 2019 American Transplant Congress

    Patterns of Rejection in Murine, Porcine, and Human Vascularized Composite Allografts Based on Clinical, Histologic, and Immunohistochemical Analysis

    M. J. Grzelak, J. W. Etra, F. A. Chang, G. J. Furtmüller, A. R. Ahmadi, F. Nägele, Y. Guo, K. Kambarashvili, A. Jain, S. A. Beck, C. F. Brayton, I. B. Sander, W. A. Lee, G. Brandacher

    Plastic and Reconstructive Surgery, Johns Hopkins School of Medicine, Baltimore, MD

    *Purpose: The side effects of chronic immunossupression limit the more extensive use of Vascularized Composite Allotransplantation (VCA), and because reliable pre-clinical animal models will be…
  • 2019 American Transplant Congress

    Immunomics of Renal Allograft Acute T-Cell Mediated Rejection Biopsies of Tacrolimus- and Belatacept- Treated Patients

    M. van der Zwan1, C. C. Baan1, R. C. Colvin2, R. N. Smith2, R. A. White2, D. N. Ndishabandi2, A. L. Nigg1, T. P. van den Bosch1, G. N. de Graav1, M. C. Clahsen-van Groningen1, D. A. Hesselink1

    1Internal Medicine, Division Nephrology and Transplantation, Erasmus MC, Rotterdam, Netherlands, 2Pathology, Massachusetts General Hospital/Harvard Medical School, Boston, MA

    *Purpose: Belatacept-based therapy in kidney transplant recipient has been shown to increase long-term renal allograft and patient survival compared with calcineurin inhibitor based therapy, however…
  • 2019 American Transplant Congress

    Clinical Response to Pathological Finding in Uterus Transplantation

    L. Johannesson, G. Testa

    Simmons Transplant Institute, Baylor University Medical Center, Dallas, TX

    *Purpose: Uterus transplantation has recently proven to be the first successful treatment for absolute uterine factor infertility with demonstration of live births. All reported episodes…
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