ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Biopsy"

  • 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…
  • 2015 American Transplant Congress

    Is Electron Microscopy Adding a Diagnostic Advantage in the Evaluation of Renal Allograft Biopsies for Antibody Mediated Rejection (AMR)?

    J. Papadimitriou, M. Chaudhry, C. Drachenberg, R. Ugarte, D. Klassen, E. Ramos, C. Cangro, B. Thomas, M. Mavanur, A. Haririan.

    Pathology and Medicine, University of Maryland School of Medicine, Baltimore, MD.

    Some electron microscopy (EM) findings have been consistently associated with antibody mediated microvascular injury; however, no large studies have been performed examining the concrete advantage…
  • 2015 American Transplant Congress

    The Impact of Therapy On the Inflammatory Infiltrate in Renal Allografts With Acute and Chronic Antibody Mediated Rejection

    W. Mulley,1,2 D. Nikolic-Paterson,1,2 A. Longano,3 Y. Han,1 F. Ma,1 J. Kanellis,1,2 S. Ramessur.1,2

    1Department of Nephrology, Monash Health, Clayton, Vic, Australia; 2Department of Medicine, Monash University, Clayton, Vic, Australia; 3Department of Pathology, Monash Health, Clayton, Vic, Australia.

    Little is known about the effect of usual treatment for acute and chronic antibody mediated rejection (aAMR and cAMR) on inflammatory cells within the allograft.…
  • 2015 American Transplant Congress

    Single Center Experience of C4d Staining of Kidney Transplant Biopsies

    R. Prashar, L. Yessayan, M. Goggins, V. Karthikeyan, K. Venkat, A. Patel.

    Division of Nephrology and Transplant Institute, Henry Ford Hospital, Detroit, MI.

    Introduction: While a diffuse positivity (>50%) of C4d in kidney transplant peritubular capillaries strongly co-relates with the presence of acute or chronic antibody mediated rejection,…
  • 2015 American Transplant Congress

    Clinical Subclassifiation of ABMR Phenotypes: Recognizing Variation in Presentation

    P. Halloran, M. Lopez, I. Salazar, J. Chang.

    Alberta Transplant Applied Genomics Centre, Edmonton, Canada.

    The diagnosis of ABMR in kidney transplants is based on ptc-, g- and cg-lesions in biopsies and donor-specific antibody (DSA). To recognize the actual phenotypes…
  • 2015 American Transplant Congress

    NK-Cell Subset Distribution, Renal Function and Biopsy Findings in Kidney Transplant Recipients With HLA Donor-Specific Antibodies

    M. Crespo,1 D. Redondo,1 J. Gimeno,2 J. Yelamos,3 A. Muntasell,3 A. Faura,1 M. Pérez-Sáez,1 M. López-Montañes,4 A. Torío,5 C. García,6 M. Mir,1 J. Hernandez,6 M. López-Botet,3,4 J. Pascual.1

    1Nephrology Unit, Hospital del Mar, Barcelona, Spain; 2Servicio de Anatomía Patológica, Hospital del Mar, Barcelona, Spain; 3Servicio de Inmunología, Institut Mar d'Investigacions Mediques, Barcelona, Spain; 4Universitat Pompeu Fabra, Barcelona, Spain; 5Laboratori de Referencia de Catalunya, Barcelona, Spain; 6Immunology Department, Hospital de Alicante, Alicante, Spain.

    Background: Detection of post-transplant donor-specific anti-HLA antibodies(DSA) constitutes a risk factor for kidney transplant (KT) loss. NK-cell antibody-dependent cell mediated cytotoxicity(ADCC) has been proposed to…
  • 2015 American Transplant Congress

    Gene Expression Profiles Indicate That Many Discarded Kidneys Are Potentially Transplantable

    K. Famulski,1 S. Niederhaus,2 J. Reeve,1 J. Bromberg,2 P. Halloran.

    1University of Alberta, Edmonton, Canada; 2University of Marlyland, Baltimore.

    We previously showed that the molecular kidney injury-repair response (AKI score) in implantation core biopsies (Bx) predict future graft function better than histology. This could…
  • 2015 American Transplant Congress

    Arterial Blood Pressure at Time of Liver Transplant (LT) Evaluation Correlates With Kidney Biopsy Findings in LT Candidates With Renal Dysfunction

    H. Wadei, A. Peguero, A. Alsaad, M. Mai, K. Oshel, T. Gonwa, C. Taner, A. Keaveny.

    Transplant, Mayo Clinic, Jacksonville, FL.

    Renal dysfunction is common in LT candidates; however, predicting post-LT renal recovery is sometimes difficult. Kidney biopsy is helpful in identifying reversible renal injury but…
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