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Articles tagged "Biopsy"

  • 2016 American Transplant Congress

    A Molecular Biopsy Test for Probability of Non-Adherence.

    P. Halloran,1,3 G. Einecke,2 J. Reeve.1

    1ATAGC, Edmonton, AB, Canada; 2Hannover Medical School, Hannover, Germany; 3Department of Medicine, University of Alberta, Edmonton, AB, Canada.

    Afferent arteriolar hyalinosis (ah-score) in renal transplant biopsies increases with time of biopsy-post-transplant (TxBx), reflecting calcineurin inhibitor drug effects, donor aging, and progressive glomerular diseases.…
  • 2016 American Transplant Congress

    A Quantitative CD45 Immunohistochemical Assay Allows Precise and Reproducible Measurement of Inflammation in Renal Transplant Biopsies.

    V. Walavalkar,1 S. Bowman,1 L. Laszik,1 D. Ikle,2 S. Chandran,1 F. Vincenti,1 Z. Laszik.1

    1UCSF, San Francisco, CA; 2Rho, Chapel Hill, NC.

    Purpose: Total inflammation (TI) is an important variable for the pathologic work-up of transplant kidney biopsies (TxBx) in the Banff schema. However, current standard pathologic…
  • 2016 American Transplant Congress

    Clinical Outcomes of Kidney Allograft Recipients with Apolipoprotein L1 (APOL1) Risk Alleles from Living Kidney Donors.

    C. Dorr,1,2,3 A. Hart,1,2,3 D. Schladt,1 A. Muthusamy,1 R. Mannon,4 W. Oetting,2 A. Matas,2 P. Jacobson,2 A. Israni.1,2,3

    1Minneapolis Medical Research Foundation, Minneapolis; 2University of Minnesota, Minneapolis; 3Hennepin County Medical Center, Minneapolis; 4University of Alabama, Birmingham.

    Background:Apolipoprotein L1 (APOL1) alleles G1 and G2 in deceased donors are associated with poor kidney allograft survival. However, the effect of these alleles in living…
  • 2016 American Transplant Congress

    De Novo Anti-HLA DSA Characteristics and Subclinical Antibody Mediated Kidney Allograft Injuries.

    T. Yamamoto, Y. Watarai, A. Takeda, M. Okada, M. Tsujita, T. Hiramitsu, N. Goto, S. Narumi, K. Morozumi, K. Uchida, T. Kobayashi.

    Nagoya daini red cross hospital, Nagoya, Japan.

    Background It has been reported that de novo donor-specific HLA antibody (dn DSA) production is associated with chronic antibody-mediated rejection (CAMR) which leads to poor…
  • 2016 American Transplant Congress

    Biopsies for Delayed Graft Function After Alemtuzumab Induction in Kidney Transplantation: The Incidence of Early Rejection After Alemtuzumab Is Very Low but Not Negligible.

    E. McGuire, C. Roufosse, T. Cook, D. Ashby, T. Cairns, J. Galliford, M. Willicombe, D. Taube, A. McLean.

    Imperial Kidney & Transplant Centre, Hammersmith Hospital, Imperial College Healthcare, London, United Kingdom.

    IntroductionUK practice advocates transplant biopsy (Bx) at day 7, then weekly in the presence of delayed graft function (DGF) because if missed, early rejection adversely…
  • 2016 American Transplant Congress

    Acute Rejection by Belatacept (Bela) Dosing Frequency: Results from a Phase II Study of Kidney Transplant Recipients.

    F. Vincenti,1 G. Blancho,2 A. Durrbach,3 G. Grannas,4 J. Grinyó,5 U. Meier-Kriesche,6 M. Polinsky,6 H. Zhao,6 C. Larsen.7

    1UCSF, San Francisco, CA; 2University Hospital of Nantes, Nantes, France; 3University Hôpital of Bicêtre, Le Kremlin-Bicêtre, France; 4Medizinische Hochschule Hannover, Hannover, Germany; 5University Hospital of Bellvitge, Bellvitge, Spain; 6Bristol-Myers Squibb, Lawrenceville, NJ; 7Emory University Transplant Center, Atlanta, GA.

    Background: At 1 year post transplant in IM103-100 (NCT00035555), bela-treated patients had similar acute rejection (AR) rates and significantly improved renal function vs cyclosporine A…
  • 2016 American Transplant Congress

    Randomized Controlled Study Evaluating Adherence Monitoring with Electronic Feedback on Reducing Renal Allograft Rejection.

    A. Bodzin, Y. Becker, M. Josephson, P. Witkowski, M. Lockwood, L. Potter, B. Kane, L. Lourenco, J. Millis.

    Transplant Center, University of Chicago, Chicago, IL.

    Purpose: The negative impact of non-adherence to the immunosuppressant medication (IM) regimen on transplant outcomes is well recognized. In an attempt to improve outcomes, the…
  • 2016 American Transplant Congress

    A Novel Quantitative CD45 Immunofluorescence Assay Can Measure Inflammatory Load in Renal Transplant Biopsies with Excellent Reproducibility and Repeatability.

    Z. Laszik,1 D. Dobi,1 L. Laszik,1 D. Ikle,2 S. Chandran,1 F. Vincenti.1

    1UCSF, San Francisco, CA; 2Rho, Chapel Hill, NC.

    Purpose: The interobserver reproducibility of the current standard semiquantitative (Banff) grading of inflammation in renal transplant biopsies (TxBx) is suboptimal. We have recently developed a…
  • 2016 American Transplant Congress

    Unexpected Early Calcineurin Inhibitor Nephrotoxicity in Pediatric Kidney Transplant Recipients.

    M. Yanik,1 R. Mannon,2 M. Seifert.1

    1Pediatrics, University of Alabama at Birmingham, Birmingham, AL; 2Medicine, University of Alabama at Birmingham, Birmingham, AL.

    Background: Calcineurin inhibitors effectively suppress the recipient immune response and facilitate early success in kidney transplantation. However, these drugs are potent nephrotoxins and contribute to…
  • 2016 American Transplant Congress

    DSA After Transplant Increases Risk of Renal Allograft Failure Independent of Concurrent Biopsy Results: The DEKAF Study Data.

    J. Cecka,1 J. Grande,2 F. Cosio,2 R. Leduc,3 The DeKAF Study Group.

    1UCLA Immunogenetics Center Department of Pathology, University of California-Los Angeles, Los Angeles, CA; 2Department of Lab Medicine & Pathology, Mayo Clinic College of Medicine, Rochester, MN; 3Department of Biostatistiscs, University of Minnesota School of Public Health, Minneapolis, MN.

    Donor-specific HLA antibodies (DSA) are a major cause of renal allograft dysfunction and loss following transplant. The presence of DSA, with or without C4d deposition,…
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