ATC Abstracts

American Transplant Congress abstracts

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  • 2015 American Transplant Congress

    Survival Benefit of ECD Transplantation After Ultra-Long Dialysis Exposure: Implications for Acceptance in the New KAS

    C. Kennedy, J. Dong, T. Myint, C. Rose, O. Johnston, J. Gill, J. Gill.

    Division of Nephrology, University of British Columbia, Vancouver, BC, Canada.

    The survival benefit of ECD transplantation varies with the duration of pre-transplant dialysis exposure.We analyzed the survival benefit of ECD transplantation (Kidney Donor Profile Index…
  • 2015 American Transplant Congress

    Defining the Epidemiologic Landscape of HIV-Infected Deceased Donors in the United States

    A. Cash, A. Shaffer, S. Anjum, A. Massie, D. Segev, C. Durand.

    Surgery, Johns Hopkins University, Baltimore, MD.

    The HIV Organ Policy Equity Act mandates research on the use of HIV-infected (HIV+) deceased donors (HIVDD) for transplantation in HIV+ recipients. The only data…
  • 2015 American Transplant Congress

    Should Only Active Candidates Define the EPTS Top 20% in the New Kidney Allocation System (KAS)?

    D. Stewart,1 A. Kucheryavaya,1 G. Boyle,1 M. Aeder,2 R. Formica.3

    1UNOS, Richmond, VA; 2Univ Hosp Case Med Ctr, Cleveland, OH; 3Yale, New Haven, CT.

    Background: The 20% of kidney candidates with the highest Estimated Post-Transplant Survival (EPTS) receive priority for a high longevity kidney in the Organ Procurement and…
  • 2015 American Transplant Congress

    Microvascular Inflammation in Early Protocol Biopsies of Renal Allografts in Cases of Chronic Active Antibody-Mediated Rejection

    T. Tsuji,1 M. Yanai,1 H. Itami,1 Y. Ishii,1 M. Akimoto,1 N. Fukuzawa,2 H. Harada,2 Y. Fukasawa.1

    1Demartment of Pathology, Sapporo City General Hospital, Sapporo, Japan; 2Department of Kidney Transplant Surgery, Sapporo City General Hospital, Sapporo, Japan.

    Aim:Chronic active antibody-mediated rejection (chronic ABMR) is one important cause of late-stage renal allograft loss. However, few reports have used protocol biopsy to observe changes…
  • 2015 American Transplant Congress

    DSA MFI Does Not Predict Late Antibody-Mediated Rejection Lesions Or Gene Expression Changes in Kidney Transplants

    L. Hidalgo,1 J. Venner,2 P. Halloran.2

    1Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, Canada; 2Medicine, University of Alberta, Edmonton, AB, Canada.

    BACKGROUND: It is unclear whether donor-specific HLA antibody (DSA) levels at the time of a clinically-indicated biopsy can be predictive of the degree of antibody-mediated…
  • 2015 American Transplant Congress

    De Novo DSA Would Not Necessarily Cause Graft Rejection After Renal Transplantation: Characteristics of DSA Developing Biopsy-Proven Chronic Antibody-Mediated Rejection

    T. Yamamoto, Y. Watarai, A. Takeda, M. Okada, M. Tsujita, H. Takahisa, N. Goto, S. Narumi, T. Kobayashi.

    Kidney Center, Nagoya Daini Red Cross Hospital, Nagoya, Japan.

    Introduction:De novo donor-specific HLA antibodies (dn DSA) production after renal transplantation has been reported to be associated with chronic antibody mediated rejection (CAMR), which leads…
  • 2015 American Transplant Congress

    Part II: Rates and Determinants of Progression for De Novo Donor-Specific Antibody Mediated Kidney Allograft Injury

    C. Wiebe,1,2 I. Gibson,3 D. Pochinco,2 P. Birk,4 T. Blydt-Hansen,4 J. Ho,1,5 M. Karpinski,1 A. Goldberg,4 L. Storsley,1 D. Rush,1 P. Nickerson.1,2,5

    1Medicine, University of Manitoba, Winnipeg, MB, Canada; 2Immunogenetics, Diagnostic Services of Manitoba, Winnipeg, MB, Canada; 3Pathology, University of Manitoba, Winnipeg, MB, Canada; 4Pediatric and Child Health, University of Manitoba, Winnipeg, MB, Canada; 5Immunology, University of Manitoba, Winnipeg, MB, Canada.

    The development of de novo donor-specific antibody (dnDSA) is an independent predictor of allograft loss in renal transplantation. Rates and determinants of clinical pathologic progression…
  • 2015 American Transplant Congress

    Impact of Donor Specific Antibodies in the Older Kidney Transplant Recipient

    S. Patel, J. Loucks-DeVos, R. Knight, S. Kuten, L. Gaber, A. Gaber.

    Houston Methodist Hospital, Houston.

    Recent evidence suggests that renal transplant recipients (RTR) with both rejection and donor specific antibodies (DSA) are at high risk of graft loss. Concurrently, the…
  • 2015 American Transplant Congress

    Long Term Outcomes of Tocilizumab Therapy for DSA+ Antibody Mediated Rejection (ABMR) Resistant to IVIG + Rituxan (I+R) Treatment

    J. Choi,1 A. Vo,1 J. Kahwaji,1 M. Haas,2 N. Reinsmoen,3 D. Puliyanda,1 A. Peng,1 R. Villicana,1 S. Jordan.1

    1CTC, Cedars Sinai, Los Angeles, CA; 2Pathology, Cedars-Sinai, Los Angeles, CA; 3HLA Laboratory, Cedars-Sinai, Los Angeles, CA.

    Intro: Limited options are available for treatment of ABMR in highly-HLA sensitized patients (HS). Treatment options include I+R, PLEX+I+/- R, C5-inhibitor & bortezomib. Approximately 25%…
  • 2015 American Transplant Congress

    Late Antibody-Mediated Rejection in a Large Cross-Sectional Cohort of Kidney Transplant Recipients – Results of the Screening Phase of the BORTEJECT Study

    F. Eskandary,1 G. Bond,1 H. Regele,2 N. Kozakowski,2 Z. Kikic,1 M. Wahrmann,1 H. Haslacher,3 R. Oberbauer,1 V. Ramassar,4 P. Halloran,4 G. Böhmig.1

    1Nephrology and Dialysis, Medical University Vienna, Vienna, Austria; 2Clinical Institute of Pathology, Medical University Vienna, Vienna, Austria; 3Department of Laboratory Medicine, Medical University Vienna, Vienna, Austria; 44Division of Nephrology and Transplant Immunology, Department of Medicine, University of Alberta, Edmonton, AB, Canada.

    Antibody-mediated rejection (ABMR) is well established to be a leading cause of graft failure. Here, we investigated the prevalence of late ABMR in a large…
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