Articles tagged "Rejection"

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…
2021 American Transplant Congress
Outcomes of HLA Antibody Surveillance Protocol in Heart Transplant Patients – A Single-Center Retrospective Analysis
S. S. Patlolla, V. Bhattad, S. McKean, M. Askar, S. Hall
Baylor University Medical Center, Dallas, TX
*Purpose: Post-transplant care is multifaceted with protocols to provide oversight and maintain the standard of care. While institutional protocols for post-transplant HLA antibody surveillance after…
2021 American Transplant Congress
Urine Donor-derived Cell-free is Valuable for Predicting BK Polyomavirus-associated Nephropathy in Kidney Transplant Recipients
G. Huang¹, X. Chen¹, Y. Huang¹, J. Li¹, R. Deng¹, W. Chen², J. Qiu¹, S. Deng¹, G. Chen¹, Q. Fu¹, C. Wu¹, J. Fei¹, L. Liu¹, L. Chen¹, C. Wang¹
¹Organ Transplant Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China, ²Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
*Purpose: Our previous study has proved that urine donor-derived cell-free DNA (dd-cfDNA) can assist in the diagnosis of BK polyomavirus-associated nephropathy (BKPyVAN), but its specificity…
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…