ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Rejection"

  • 2021 American Transplant Congress

    Impact of Donor and Recipient Age Difference: Outcomes within the First Year of Orthotopic Heart Transplant

    M. Mascetti, M. Manson, Z. Truman

    Baylor St. Luke's Medical Center, Houston, TX

    *Purpose: In recent history, the number of patients listed as eligible to receive a heart transplant has increased by nearly 40%. However, not all hearts…
  • 2021 American Transplant Congress

    Obesity Impacts Acute Rejection but Not Allograft Function Improvement in the Setting of Belatacept Conversion

    D. Pierce, J. Benken, P. West-Thielke, I. Tzvetanov, E. Benedetti, A. Lichvar

    University of Illinois at Chicago, Chicago, IL

    *Purpose: There is limited data regarding belatacept conversion in obese patients as an alternative to calcineurin inhibitor (CNI) immunosuppression. Pharmacokinetic (PK) data suggests increasing clearance…
  • 2021 American Transplant Congress

    Membrane versus Centrifuge‑Based Therapeutic Plasma Exchange to Treat Antibody-Mediated Rejection in Kidney Transplantation

    P. Maggiani1, J. C. Ramirez Valdestino1, J. H. Cano Cervantes1, O. D. Díaz Avedaño1, G. García Castillo1, M. C. Oseguera Vizcaíno2, M. A. Covarrubias2, M. Matías Carmona1, D. F. Ovando Morga1, G. Ramirez Ramirez1, V. D. Lebrija Córdoba1, S. Hernandez Estrada1

    1Transplantation, Centro Medico Nacional 20 de Noviembre, Mexico City, Mexico, 2Transplantation, Hospital Civil Fray Antonio Alcalde, Guadalajara, Mexico

    *Purpose: Therapeutic plasma exchange (TPE) is either performed using a highly permeable filter with standard multifunctional renal replacement equipment (mTPE) or a centrifugation device (cTPE).…
  • 2021 American Transplant Congress

    Pilot Evaluation of Prognosis After Liver Transplantation in Patients with a History of Hepatocellular Carcinoma and Pd-1 Inhibition

    M. Chen1, Z. Chen1, X. Lin2

    1First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China, 2the Eastern Hospital of the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China

    *Purpose: The successful applications of programmed death protein-1 (PD-1) inhibitors in cancer therapy has led to an expanding use of immunotherapy in oncolog Liver transplantation…
  • 2021 American Transplant Congress

    Outcomes of Cytomegalovirus Status Determining Induction Therapy in Lung Transplant

    K. Heagler1, J. Lyons1, B. Bemiss2, P. Stracener1

    1Pharmacy, Loyola University Medical Center, Maywood, IL, 2Loyola University Medical Center, Maywood, IL

    *Purpose: At the study institution, basiliximab induction is withheld in lung transplant recipients who are cytomegalovirus (CMV) high risk due to concern for increased CMV…
  • 2021 American Transplant Congress

    Guiding Therapeutic Plasma Exchange for Amr Treatment in Lung Transplant Recipients Using Serial Dilution in Single Antigen Bead Assay

    O. A. Timofeeva1, J. Choe2, M. Alsammak2, E. J. Yoon2, S. Geier2, K. Carney2, J. Au2, A. Diamond2, J. A. Galli2, K. Shenoy2, A. Mamary2, S. Seghal2, P. Mullhal2, Y. Toyoda2, N. Shigemura2, F. Cordova2, G. Criner2, J. Brown2

    1MedStar Georgetown University Hospital, Washington, DC, 2Temple University Hospital, Philadelphia, PA

    *Purpose: Development of donor‐specific antibodies (DSA) is associated with poor outcomes in lung transplantation. Patients who are presented with at least probable AMR require treatment;…
  • 2021 American Transplant Congress

    Therapeutic Response of Late Clinical Cell Mediated Rejection is Modeled by Chronicity Changes

    I. Melgarejo1, V. Visnawathan2, A. Sharma1, P. Sood1, C. Puttarajappa1, C. Wu1, N. Shah1, M. Molinari1, S. Hariharan1, R. Mehta1

    1Starzl Transplant Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, 2Department of Medicine, Renal-Electrolyte Division, University of Pittsburgh Medical Center, Pittsburgh, PA

    *Purpose: Although there is a tendency to treat late clinical TCMR, the responsiveness to steroids is unclear.*Methods: Among kidney transplant recipients, transplanted between Jan 2013…
  • 2021 American Transplant Congress

    Development of De Novo Antibody in Renal Transplant Recipients with BK Viremia Managed with Immunosuppression Reduction

    R. Hod Dvorai1, R. Lee2, P. Muluhngwi2, M. Raijmakers3, A. Shetty2, A. Tambur2, M. Ison2

    1SUNY Upstate Medical University, Syracuse, NY, 2Northwestern University, Chicago, IL, 3University of Santiago, Santiago, Chile

    *Purpose: To evaluate development of de novo donor specific antibodies (dnDSA) in Renal Transplant Recipients (RTR) with immunosuppression (IS) modulation due to BK viremia (BKV)…
  • 2021 American Transplant Congress

    DAP12 Promotes Liver DC Tolerogenicity by Negative Regulation of the CGAS-STING-IFN I Pathway

    Y. Zheng1, J. Long2, N. Ryosuke1, L. Peng3, F. Peng3, A. Thomson1

    1Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, 2Department of Cardiology, The Second Xiangya Hospital of Central South University, Changsha, China, 3Department of Kidney Transplantation, The Second Xiangya Hospital of Central South University, Changsha, China

    *Purpose: Constitutive expression of comparatively high levels of DNAX-activating protein of 12KDa (DAP12) by liver myeloid dendritic cells (mDCs) has been implicated in their immune…
  • 2021 American Transplant Congress

    Real-time Donor-derived Cell-free Dna Kinetics Indicate Decreased “Molecular Injury” During Treatment of Acute Renal Allograft Rejection

    R. Hinojosa1, K. M. Hitchman2, D. J. Ross3, R. C. Hall1, J. E. Nelson1, E. L. Kincaide1, K. Klein1, A. M. Bell3

    1Pharmacotherapy Education and Research Center | Long School of Medicine, UT Health San Antonio | University Transplant Center, University Health, San Antonio, TX, 2Long School of Medicine, UT Health San Antonio | University Transplant Center, University Health, San Antonio, TX, 3CareDx, Inc., Brisbane, CA

    *Purpose: Dd-cfDNA is a validated plasma analyte (t½~30 min) for surveillance of renal transplant (KT) rejection with limited reports characterizing response to acute allograft rejection…
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