Articles tagged "Biopsy"

2021 American Transplant Congress
Core Signature of Rejection-Specific Cytokines and Chemokines in Heart Biopsies After Transplantation
L. M. Radomsky¹, Y. Scheibner², J. F. Kuehne¹, J. Keil¹, K. Beushausen¹, K. Ludmilla², A. Schick², F. Ius², G. Warnecke³, C. Bara², C. S. Falk¹
¹Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany, ²Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany, ³Clinic for Cardiac Surgery, University of Heidelberg, Heidelberg, Germany
*Purpose: Allograft rejection remains one of the limiting factors for survival after HTX. The aim of this project was to characterize the cytokine/chemokine network in…
2021 American Transplant Congress
Prevalence of Diabetic Changes on Kidney Allograft Biopsies of Normoglycemic Simultaneous Pancreas-Kidney Transplant Recipients
C. Mejia, G. Giannini, D. C. Brennan, A. Rosenberg, S. Alasfar
Johns Hopkins University, Baltimore, MD
*Purpose: Small studies suggest that achieving normoglycemia with simultaneous pancreas-kidney transplant (SPK) prevents the development of diabetic nephropathy (DN) among type 1 diabetics (T1DM). However,…
2021 American Transplant Congress
Macrosteatosis in the US Pediatric Deceased Liver Donor Population, 2005-2018
J. Purvis, D. Dhall, C. McLeod, S. Sheikh, R. Cannon, K. Frey, J. Locke, B. Orandi
University of Alabama School of Medicine, Birmingham, AL
*Purpose: The pediatric obesity epidemic is associated with early signs of non-alcoholic fatty liver disease (NAFLD) such as increased hepatic macrosteatosis and liver enzymes. In…
2021 American Transplant Congress
Blood Gene Expression and Donor-derived Cell Free DNA for Diagnosing Subclinical Acute Rejection in Stable Kidney Transplant Recipients
S. Park¹, K. Guo², H. Raymond³, E. Poggio⁴, D. Taber⁵, C. Marsh⁶, S. Kurian⁷, S. Kleiboeker⁸, J. Weems⁸, J. Holman⁹, L. Zhao², R. Sinha⁸, S. Brietigam², C. Rebello², M. Abecassis¹⁰, J. Friedewald¹
¹Transplant Nephrology, Northwestern University, Chicago, IL, ²Feinberg School of Medicine, Northwestern University, Chicago, IL, ³Mayo Clinic College of Medicine and Science, Phoenix, AZ, ⁴Department of Nephrology and Hypertension, Cleveland Clinic, Cleveland, OH, ⁵Division of Transplant Surgery, Medical University of South Carolina, Charleston, SC, ⁶Department of Medicine and Surgery, Scripps Clinic and Green Hospital, La Jolla, CA, ⁷Scripps Health, La Jolla, CA, ⁸Eurofins US Clinical Diagnostics, Lee's Summit, MO, ⁹Transplant Genomics, Inc, Mansfield, MA, ¹⁰University of Arizona College of Medicine, Tucson, AZ
*Purpose: A blood gene expression profile (GEP) has been established as a non-invasive screen for subclinical acute rejection (subAR). For patients with allograft dysfunction, donor-derived…
2021 American Transplant Congress
Liver Biopsy as a Predictor in Risk Stratification for Heart Transplant Candidates
S. Tolia¹, T. Al Saadi¹, N. Narang², A. Joshi², C. Sciamanna², S. Pauwaa², G. Macaluso², M. Dia², A. Tatooles³, P. Pappas³, W. Cotts², A. Andrade²
¹Internal Medicine, Advocate Christ Medical Center, Oak Lawn, IL, ²Cardiology, Advocate Christ Medical Center, Oak Lawn, IL, ³Cardiovascular Surgery, Advocate Christ Medical Center, Oak Lawn, IL
*Purpose: Patients undergoing workup for Orthotopic Heart Transplant (OHT) undergo multi-organ evaluation for risk stratification. While cirrhosis is a known predictor of poor outcomes in…
2021 American Transplant Congress
Given the Potential Impact on Liver Transplant Selection, Revisiting the Current Standard of Diagnosis of Hepatocellular Carcinoma
K. Amarell, B. Fisher, B. Park, K. Ko, B. Kallakury
Department of Pathology & Laboratory Medicine, Georgetown University School of Medicine, Washington, DC
*Purpose: The current standard of diagnosis of hepatocellular carcinoma (HCC) relies on non-invasive radiographic methods, namely computerized tomography (CT) and/or magnetic resonance imaging (MRI). However,…
2021 American Transplant Congress
Comparison of Donor-derived Cell Free Dna Between Recipients with First Solitary Allograft and Regrafts
S. Paluri¹, S. Muthusamy¹, M. Shinbashi¹, G. Gupta¹, B. Dale², Z. Kashi³, P. Halloran⁴, D. Kumar¹
¹Virginia Commonwealth University, Richmond, VA, ²CareDx, Brisbane, CA, ³Kashi Clinical Laboratories, Portland, OR, ⁴ATAGC, Edmonton, AB, Canada
*Purpose: Donor derived-cell free DNA (dd-cfDNA) is a biomarker of immunological injury. Multiple studies have validated its utility in recipients of first solitary kidney transplants…
2021 American Transplant Congress
Characterisation of Distinct Graft Infiltrates Following Cellular Therapy in Kidney Transplant Recipients
M. O. Brook¹, P. N. Harden², I. Roberts², W. R. Mulley³, J. Hester¹, M. E. Reinders⁴, F. Issa¹
¹Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom, ²Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom, ³Department of Nephrology, Monash Medical Centre, Melbourne, Australia, ⁴Division of Nephrology and Transplant Center, Leiden University Medical Center, Leiden, Netherlands
*Purpose: Cellular therapy is an emerging treatment in the field of clinical transplantation with the potential to improve both short and long-term transplant outcomes. We…
2021 American Transplant Congress
Intermediate Outcomes Following Early Inflammatory Changes on Surveillance Biopsies
I. Melgarejo¹, V. Viswanathan², A. Sharma¹, P. Sood¹, C. Puttarajappa¹, N. Shah¹, M. Molinari¹, A. Tevar¹, C. Wu¹, S. Hariharan¹, R. Mehta¹
¹Starzl Transplant Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, ²Department of Renal-electrolyte, University of Pittsburgh Medical Center, Pittsburgh, PA
*Purpose: The implications on early inflammatory changes on surveillance biopsies on intermediate and long-term outcomes is unclear.*Methods: Of the 1000 kidney transplant (live donor and…
2021 American Transplant Congress
Gene Expression Profiles Assessed by the Nanostring nCounter® Platform May Differentiate Different Types of Rejection, and Importantly, T-Cell Mediated Rejection from BK Virus Nephropathy
K. R. Degner¹, K. J. Swanson¹, S. Parajuli¹, D. Mandelbrot¹, N. Garg¹, F. Aziz¹, M. Mohamed¹, W. Zhong¹, L. Ptak¹, N. A. Wilson¹, R. Woodward², A. Djamali¹
¹University of Wisconsin, Madison, WI, ²CareDx, Inc., San Francisco, CA
*Purpose: Allograft biopsies are considered the gold standard for diagnosis and therapeutic guidance in kidney transplant recipients. Expanding current biopsy assessments to include gene expression…