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American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2021 American Transplant Congress

    Use of Granulocyte Colony Stimulating Factor After Lung Transplantation is Not Associated with Increased Likelihood of Acute Cellular Rejection

    S. Fredrick1, C. Iasella2, L. Sacha3, R. Rivosecchi3, M. Morrell3, P. Sanchez3, J. Pilewski3, M. Snyder3, J. McDyer3, C. Moore3

    1University of Rochester Medical Center, Rochester, NY, 2University of Pittsburgh School of Pharmacy, Pittsburgh, PA, 3University of Pittsburgh Medical Center, Pittsburgh, PA

    *Purpose: The cause of neutropenia in lung transplant recipients is multifactorial, including medications, viral infections, and antecedent disease. Granulocyte colony-stimulating factor (G-CSF) is commonly used…
  • 2021 American Transplant Congress

    Dd-cfdna Can Guide Safe Reintroduction of Immunosuppression in Kidney Transplant Recipients with Covid-19

    J. Miles1, J. Leonard2, V. Tatapudi2, M. Fei1, R. Montgomery2, N. M. Ali2

    1CareDx, Brisbane, CA, 2Transplant Institute, NYU Langone Health, New York, NY

    *Purpose: COVID-19 infection is associated with 25% mortality in kidney transplant recipients (KTRs). Reduction of anti-metabolite immunosuppressants during the acute COVID-19 illness is a common…
  • 2021 American Transplant Congress

    Single Cell Rna-Sequencing of Urinary Cells and Defining the Immune Landscape of Rejection in Human Kidney Allografts

    T. Muthukumar1, H. Yang1, A. Belkadi2, G. Thareja2, C. Li1, C. Snopkowski1, K. Chen1, T. Salinas1, M. Lubetzky1, J. Lee1, D. Dadhania1, K. Suhre2, M. Suthanthiran1

    1Nephrology, NY Presbyterian- Weill Cornell Medical College, New York, NY, 2Physiology and Biophysics, Weill Cornell Medicine-Qatar, Doha, Qatar

    *Purpose: Transcriptome-based clustering of urinary cells in kidney transplant recipients may help identify cell-type specific injury and develop cell-type specific biomarkers for the noninvasive assessment…
  • 2021 American Transplant Congress

    Development of a Rat Model of Antibody-Mediated Rejection After Liver Transplantation

    T. Tajima, K. Hata, J. Kusakabe, H. Miyauchi, S. Uemoto

    Dept. of Surgery, Div. of HBP Surgery & Transplantation, Kyoto University Graduate School of Medicine, Kyoto, Japan

    *Purpose: Antibody-mediated rejection (AMR) is a refractory rejection after donor-specific antibody (DSA)-positive or ABO blood-type incompatible liver transplantation (LT), due at least in part to…
  • 2021 American Transplant Congress

    A Reliable Non Invasive Alternative to Surveillance Renal Allograft Biopsy

    R. Jain, S. Thaduri, V. Kumar, C. Kew, B. Julian, G. Towns, S. Ong, F. Ahmed, S. Mehta, G. Agarwal

    Transplant Nephrology, University of Alabama Birmingham, Birmingham, AL

    *Purpose:Surveillance Renal Allograft Biopsy (SAVB) is the standard of care to identify subclinical immunological injury(SCI). However fewer than 25% of transplant centers in the US…
  • 2021 American Transplant Congress

    Infection Rates in Heart Transplant Recipients With Combined Tacrolimus and Sirolimus at High versus Low Concentrations

    S. Goyal, J. Lyons, J. Negrelli, M. Liebo, A. Heroux

    Loyola University Medical Center, Maywood, IL

    *Purpose: Assess the impact of tacrolimus-sirolimus (TAC/SRL) concentration on infection rate in heart transplant recipients (HTR).*Methods: A retrospective review of HTR on TAC/SRL for ≥…
  • 2021 American Transplant Congress

    The Use of Donor Derived Cell Free DNA in Children to Monitor Therapy of Kidney Rejection

    A. Al-Uzri, M. Wright, K. Clark, R. Jenkins

    Oregon Health & Science Univ, Portland, OR

    *Purpose: Elevated donor-derived cell-free DNA (dd-cfDNA) in the presence of HLA donor-specific antibodies (DSA) are shown to correlate with acute antibody-mediated rejection (AMR) in adult…
  • 2021 American Transplant Congress

    De Novo Membranous Nephropathy Associated with Antibody-mediated Rejection in Renal Transplant Recipients

    M. V. Sousa1, L. G. Fernandes2, L. L. de Freitas3, R. L. Zollner2, M. Mazzali1

    1Internal Medicine - Division of Nephrology, University of Campinas, Campinas, Brazil, 2Internal Medicine, University of Campinas, Campinas, Brazil, 3Pathology, University of Campinas, Campinas, Brazil

    *Purpose: Membranous nephropathy (MN) is a rare autoimmune disease, with the potential to develop a persistent nephrotic syndrome and end-stage chronic renal disease in some…
  • 2021 American Transplant Congress

    Post Pediatric Liver Transplant Immunosuppression: What’s the Caregivers’ Perspective?

    I. D. Batsis1, J. C. Bucuvalas1, E. Eisenberg2, J. Lau2, S. Feng3, E. Perito4

    1Pediatric Hepatology, Mount Sinai Hospital, NY, New York, NY, 2Patient and Family Engaged Partners, SPLIT, New York, NY, 3Pediatric Transplant Surgery, UCSF, San Francisco, CA, 4Pediatric Hepatology, UCSF, San Francisco, CA

    *Purpose: For children with liver transplants (LT), achieving an “ideal outcome” is a balancing act: too little immunosuppression (IS) begets graft injury; too much IS…
  • 2021 American Transplant Congress

    A Multimodal Interrogation of Human Renal Allografts

    D. Dadhania1, R. Ding1, H. Xu2, C. Lee1, C. Snopkowski1, T. Salinas1, T. Muthukumar1, J. Lee1, R. Woodward2, M. Grskovic2, S. Dholakia2, M. Suthanthiran1

    1Weill Cornell Medicine - NYPH, New York, NY, 2CareDx, New York, NY

    *Purpose: Development and validation of noninvasive biomarkers of kidney allograft rejection should improve transplant outcomes. CTOT-04 study validated urinary cell mRNA signature (CTOT04-Sig) for T-cell…
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