ATC Abstracts

American Transplant Congress abstracts

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Articles tagged "Histology"

  • 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

    Clostridium difficile Infection Mimics Intestinal Acute Cellular Rejection in Pediatric Multivisceral Transplant – A Case Series

    D. A. Cheung1, T. Beduschi2, A. Tekin2, G. Selvaggi2, R. M. Vianna2, J. Garcia1

    1Pediatric Gastroenterology, University of Miami, Miami, FL, 2Surgery, Division of Liver/GI Transplant, University of Miami, Miami, FL

    *Purpose: Clostridium difficile infection (CDI) is the most common healthcare-associated infection in the United States. One out of 8 recipients who undergo transplantation with more…
  • 2018 American Transplant Congress

    Nephrosclerosis beyond That Expected for Age is Predictive of Early New-Onset Hypertension (HTN) in Living Kidney Donors (LKD)

    N. Issa,1 L. Vaughan,1 A. Denic,1 V. Nagineni,1 H. Chakkera,2 J. Lieske,1 L. Lerman,1 S. Taler,1 M. Stegall,1 W. Kremers,1 E. Poggio,3 A. Rule.1

    1Mayo Clinic, Rochester, MN; 2Mayo Clinic, Scottsdale, AZ; 3Cleveland Clinic, Cleveland, OH.

    Background: Nephrosclerosis on biopsy (bx) of LKD is associated with older age & HTN. We studied whether nephrosclerosis is predictive of adverse changes early after…
  • 2018 American Transplant Congress

    Long-Term HIF-1α Stabilization is Associated with Fibrosis in Rat Lung Allografts

    K. Freischlag,1 B. Ezekian,1 P. Schroder,1 J. Everitt,1 J. Yoon,1 M. Swiderska-Syn,3 W. Parker,1 A. Diehl,1 J. Kwun,1 S. Knechtle.1

    1Duke Transplant Center, Duke University, Durham, NC; 2Medical University of South Carolina, Charleston, SC.

    Introduction: HIF-1α is a subunit of a heterodimeric transcription factor hypoxia-inducible factor 1 (HIF-1) and functions as a master transcriptional regulator of cellular and developmental…
  • 2018 American Transplant Congress

    A Novel Preservation Solution for Lung That Improves Cell Viability and Tissue Architecture

    J. Friedman,1 M. Samamrco,1 L. Marrero,1 B. Bunnell,1 D. Spyropoulos.2

    1Tulane University, New Orleans; 2MUSC, Charleston.

    Backgroud: Only 20% of donor lungs are used for transplant and 10 y survival of recipients is low. Many patients die within 30 d of…
  • 2018 American Transplant Congress

    An Integrative Approach for the Assessment of Peritubular Capillaritis Extent and Score in Microvascular Inflammation – Association with Transplant Glomerulopathy and Graft Loss

    N. Kozakowski,1 H. Herkner,2 F. Eskandary,3 M. Eder,3 W. Winnicki,3 G. Bond,3 Ž. Kikić.3

    1Department of Pathology, Medical University of Vienna, Vienna, Austria; 2Department of Emergency Medicine, Medical University of Vienna, Vienna, Austria; 3Division of Nephrology and Dialysis, Department of Medicine III, Medical University of Vienna, Vienna, Austria.

    Background:Banff Classification accepts two histomorphological features as surrogates of HLA Antibody-Antigen interaction on renal endothelium: C4d staining and microvascular inflammation scores (MVI sum score:ptc+g≥2) which…
  • 2018 American Transplant Congress

    Transplant Tourism and Invasive Fungal Infection

    F. Al Ismaili,1 A. Metry,3 M. Al Riyami,5 F. Khamis,6 F. Shaheen,7 A. Hola,4 I. Al Salmi.2

    1The Renal Medicine, The Royal Hospital, Muscat, Oman; 2The Renal Medicine, The Royal Hospital, Muscat, Oman; 3The Renal Medicine, The Royal Hospital, Muscat, Oman; 4Histopathology, SQUH, Muscat, Oman; 5Infectious Diseases, The Royal Hospital, Muscat, Oman; 6SCOT, SCOT, RIyadh, Saudi Arabia; 7The Renal Medicine, The Royal Hospital, Muscat, Oman; 8The Renal Medicine, The Royal Hospital, Muscat, Oman.

    Deceased and live-related Renal transplant (RTX) are widespread approved methods throughout the world. In-addition, commercial-RTX has gained an access at certain places driven by financial…
  • 2018 American Transplant Congress

    Diffuse Optical Non-Invasive Organ Risk (DONOR) Indexing Using Diffuse Reflectance Spectroscopy for Pre-Transplant Evaluation

    H. Borron,1 D. Piao,2 A. Hawxby,3 H. Wright,3 E. Rubin.4

    1College of Medicine, University of Oklahoma, Oklahoma City, OK; 2School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, OK; 3Oklahoma Transplant Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK; 4Pathology, University of Oklahoma, Oklahoma City, OK.

    Purpose: Due to large transplant waitlists, a rapid, non-invasive method to evaluate organ quality for transplantation is needed. Diffuse optical spectroscopy (DOSi) is an optical…
  • 2018 American Transplant Congress

    Renal Allograft Molecular Pathways Associated with Tolerance Induction in Renal Transplantation

    L. Gallon,1 J. Mathew,1 S. Bontha,2 C. Dumur,2 P. Dalal,1 L. Nadimpalli,1 D. Maluf,2 A. Shetty,1 S. Ildstad,3 J. Leventhal,1 V. Mas.2

    1Department of Medicine-Nephrology, Northwestern University, Chicago, IL; 2Department of Surgery, University of Virginia, Charlottesville, VA; 3Departments of Surgery, Physiology and Immunology, University of Louisville, Louisville, KY.

    Background: Chronic exposure to immunosuppressive agents for organ transplant results in graft nephrotoxicity, infections and malignancies We have established durable immune tolerance in mismatched related…
  • 2018 American Transplant Congress

    Functional Reconstruction of Urogenital Tissue Defects Using VCA: A Novel Microsurgical Penis Transplant Model and Clinical & Histological Rejection Classification

    S. Fidder,1,4 G. Furtmüller,1 B. Simons,2 B. Kern,1 D. Lough,1 B. Oh,1 M. Chicco,1 C. Brayton,3 W. Lee,1 D. Cooney,1 R. Redett,1 G. Brandacher.1

    1Dept of Plastic and Reconstructive Surgery, Johns Hopkins University School of Medicine, Baltimore; 2Dept of Urology, JHU SOM, Baltimore; 3Dept of Molecular & Comparative Pathobiology, JHU SOM, Baltimore; 4Plastic and Reconstructive Surgery, Erasmus University Medical Center, Rotterdam, Netherlands.

    Background: Defects of male urogenital structures subsequent to major trauma are associated with severely reduced function and quality-of-life. As of recent, penis transplantation represents an…
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