Articles tagged "Rejection"

2019 American Transplant Congress
Rejection, Infectious, and Renal Outcomes with Perioperative Desensitization in Orthotopic Heart Transplant Recipients
M. Plazak, B. Reed, S. Hammad, S. Gale, V. Ton, D. Kaczorowski, T. Trobiano, B. Ravichandran
University of Maryland Medical Center, Baltimore, MD
*Purpose: Pre-transplant allosensitization remains a significant barrier to organ allocation and a paucity of evidence exists to demonstrate the efficacy and safety of perioperative desensitization…
2019 American Transplant Congress
No Indication of Increased CMV Infection in Kidney Transplant Recipients without Pharmacological Prophylaxis Receiving a Single 3mg/kg Dose of Rabbit Anti-Thymocyte Globulin (ATG) Instead of No-Induction
M. Ivani de Paula, M. Grace Bowring, A. A. Shaffer, J. Garonzik-Wang, A. Barros Bessa, C. Rosso Felipe, M. Pontello Cristelli, A. B. Massie, J. Medina Pestana, H. Silva Junior, D. L. Segev
Hospital do Rim, Nephrology Division, EPM - UNIFESP, São Paulo, Brazil
*Purpose: Induction therapy with rabbit anti-thymocyte globulin (ATG) in patients at low immunological risk remains controversial, given increased risk of cytomegalovirus (CMV) infection*Methods: To investigate…
2019 American Transplant Congress
In Depth Look at Acute Rejections in LCP-Tacrolimus (LCPT; Envarsus XR) and Immediate-Release Tacrolimus (IR-Tac)-Treated De Novo Kidney Transplant Recipients
A. Condon¹, M. Mujtaba², S. J. Patel³, D. R. Stevens³, U. Meier-Kriesche³
¹University of New Mexico Hospitals, Albuquerque, NM, ²University of Texas Medical Branch, Galveston, TX, ³Veloxis Pharmaceuticals Inc., Cary, NC
*Purpose: A prospective, randomized controlled trial has shown comparable rates of biopsy-proven rejection (BPAR) between LCPT and IR-Tac treated renal transplant recipients. This analysis aims…
2019 American Transplant Congress
Cytokine Profiles in Children after Pediatric Kidney Transplantation with Acute Cellular Compared to Chronic Active Antibody-Mediated Rejection
N. Borsum, T. Ahlenstiel-Grunow, L. Pape
Pediatric Nephrology, Hannover Medical School, Hannover, Germany
*Purpose: Until now, no blood biomarkers have been identified to enable early diagnosis of acute cellular or chronic active antibody-mediated rejection (cABMR) after pediatric kidney…
2019 American Transplant Congress
Cluster Analysis of Microvascular Inflammation in Indication Biopsies Unveils Distinct Pathological and Immunological Phenotypes with Prognostic Implications
J. Malheiro¹, A. Silva¹, S. Santos¹, S. Tafulo², L. Martins¹, L. Dias¹, A. Castro-Henriques¹
¹Centro Hospitalar do Porto, Porto, Portugal, ²IPST_Porto, Porto, Portugal
*Purpose: We aimed to define distinct pathological and immunological clusters of 80 cases of MVI diagnosed in indication biopsies and evaluate their prognostic implications.*Methods: The…
2019 American Transplant Congress
IFNAR Signaling Augments Plasmacytoid Dendritic Cell Activation during Costimulation Independent Rejection
J. Habib, D. Mathews, Y. Dong, A. Stephenson, A. Ghosh, C. Breeden, A. Adams
Surgery, Emory University, Atlanta, GA
*Purpose: Costimulation blockade (CoB) is a promising new transplant immunosuppression strategy offering improved long-term patient and allograft survival without the nephrotoxicity of calcineurin inhibitors. However,…
2019 American Transplant Congress
De Novo Complement-Activating Donor Specific Antibodies in Pediatric Renal Transplant Recipients Are Highly Responsive to Therapy
V. Sigurjonsdottir, A. Chaudhuri, P. Grimm
Pediatric Nephrology, Stanford, Los Altos, CA
*Purpose: Antibody mediated rejection remains a common cause for pediatric renal allograft loss. After recognizing that graft failure was more common in our pediatric renal…
2019 American Transplant Congress
The Role of Neutrophil Extracellular Traps in Kidney Acute Antibody-Mediated Rejection
R. Villca-Gonzales¹, J. Torres-Ruiz², D. Gomez-Martin², L. Morales-Buenrostro¹, J. Alberu³
¹Nephrology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, ²Immunology, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico, ³Transplantation, Instituto Nacional de Ciencias Medicas y Nutrición Salvador Zubiran, Mexico, Mexico
*Purpose: Previously our group assessed the spontaneous and lipopolysaccharide-induced NETosis with confocal microscopy in kidney transplant recipients (KTR). We found an enhanced spontaneous NETosis regardless…
2019 American Transplant Congress
Impact of Belatacept Conversion on Renal Function, Histology and Gene Expression in Kidney Transplant Patients with Chronic Active Antibody-Mediated Rejection
D. Kumar¹, M. Raynaud², P. Halloran³, A. Loupy², J. Chang³, J. Reeve³, I. Yakubu¹, S. Bobba¹, L. Kamal¹, M. Levy¹, C. Bhati¹, P. Kimball¹, A. King¹, G. Gupta¹
¹Virginia Commonwealth University, Richmond, VA, ²Paris Transplant Group, Paris, France, ³Alberta Transplant Genomics Applied Centre, Edmonton, AB, Canada
*Purpose: Chronic active antibody mediated rejection (cABMR) is a major cause of long-term kidney transplant (KT) loss. Current therapies have unclear efficacy and significant side…
2019 American Transplant Congress
Correlation of Donor-Derived Cell-Free DNA with Histology and Molecular Diagnoses of Kidney Transplant Biopsies
I. Moinuddin¹, D. Kumar¹, P. Halloran², L. Kamal¹, A. King¹, P. Kimball¹, M. Levy¹, C. Bhati¹, D. Massey¹, G. Gupta¹
¹VCU Medical Center, Richmond, VA, ²Alberta Transplant Genomics Applied Centre, Edmonton, AB, Canada
*Purpose: Circulating donor-derived cell free DNA (cfDNA; Allosure, CareDx, USA), a non-invasive test that could detect rejection in kidney allografts was validated using histologic diagnoses(HDx).…