Abstracts Archive - Page 285 of 1683 - ATC Abstracts

2021 American Transplant Congress
T-cell-Mediated Immunity to Sars-cov-2 Defines Covid-19 Risk and Severity in Transplanted and Non-Transplanted Individuals and Associates with Myeloid-Derived Suppressor Cells
C. Ashokkumar¹, V. Rohan², A. H. Kroemer³, S. Rao⁴, G. Mazariegos⁵, B. W. Higgs⁵, S. Nadig², M. Ningappa⁵, T. Fishbein³, S. Subramaniam⁶, R. Sindhi⁷
¹Plexision, Pittsburgh, PA, ²Medical University of South Carolina, Charleston, SC, ³MedStar Georgetown Transplant Institute, Georgetown, DC, ⁴DHR Health Institute for Research and Development, Texas, TX, ⁵University of Pittsburgh, Pittsburgh, PA, ⁶University of California, San Diego, CA, ⁷University of Pittsburgh, pittsburgh, PA
*Purpose: We assessed whether COVID-19-risk is enhanced by chronic immunosuppression, and is associated with suppressor cells.*Methods: We tested 66 COVID-19 patients, including 26 with solid…
2021 American Transplant Congress
Combined CD11b/CD40 Blockade is Superior to CD40 Blockade Alone in Prolonging Survival in Pig-to-Nonhuman Primate Renal Xenotransplantation
D. A. Faber¹, B. Lovasik¹, A. Matar¹, C. Breeden¹, S. Kim¹, A. Adams²
¹Surgery, Emory University School of Medicine, Atlanta, GA, ²Surgery, University of Minnesota, Minneapolis, MN
*Purpose: Blockade of the CD40/CD154 pathway is highly effective in preventing rejection in pig-to-nonhuman primate (NHP) xenotransplantation models. Clinical translation of anti-CD154 mAbs, however, has…
2021 American Transplant Congress
Death Among Living Liver Donors- Are We Overestimating the Risk?
H. J. Braun, A. M. Shui, N. L. Ascher, J. P. Roberts
University of California, San Francisco, San Francisco, CA
*Purpose: In the United States, the estimated risk of death associated with live liver donation is currently quoted at 0.1% for left lobe donation, and…
2021 American Transplant Congress
Allograft Discard Risk Index for Heart Transplantation
R. M. Reul¹, A. A. Saleem¹, C. N. Keller¹, T. H. Malik¹, J. A. Goss², A. A. Rana²
¹Office of Student Affairs, Baylor College of Medicine, Houston, TX, ²Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX
*Purpose: The number of patients awaiting heart transplantation (HTx) substantially exceeds the number of donor hearts transplanted each year, yet nearly 70% of consented donor…
2021 American Transplant Congress
Simultaneous Pancreas-kidney Transplantation (spk) and, Simultaneous Deceased Donor Pancreas and Living Donor Kidney Transplantation (splk) in Diabetic Patients with End Stage Renal Disease
Y. Ko
Department of Surgery, Asan Medical Center, Seoul, Korea, Republic of
*Purpose: The purpose of this study is to compare clinical outcomes of simultaneous pancreas-kidney transplantation (SPK) and simultaneous deceased donor pancreas and living donor kidney…
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
Evaluation and Experience with Hepatitis C Positive to Negative PancreasTransplantation
B. K. Lindner, B. Thomas, M. Cooper, S. Yi, P. Abrams
Medstar Georgetown University Hospital, Washington, DC
*Purpose: The use of hepatitis C virus (HCV) positive organs for transplant to HCV negative recipients has been reported on and has gained popularity across…
2021 American Transplant Congress
Waitlist and Post-Transplant Outcomes of Candidates with Iabp or Ecmo: Comparison of Old and New Heart Allocation Policies
M. Colvin¹, Y. Ahn², S. Hall³, M. Skeans², M. Walsh⁴, A. Israni²
¹Univ of Michigan, Ann Arbor, MI, ²SRTR, Minneapolis, MN, ³Baylor Univ, Dallas, TX, ⁴St. Vincent Heart Ctr, Indianapolis, IN
*Purpose: New heart allocation policy prioritizes candidates on short-term circulatory support to promote transplant of the sickest candidates. There has been a shift in the…
2021 American Transplant Congress
Segmental Susceptibility of Intestinal Stem Cells to Cold Storage Preservation Injury in a Porcine Model
E. K. Ludwig¹, N. Abraham², D. Sudan², A. Barbas², C. Schaaf¹, J. Freund¹, A. S. Stewart¹, B. Veerasammy¹, L. M. Gonzalez¹
¹North Carolina State University, Raleigh, NC, ²Duke University, Durham, NC
*Purpose: Cold storage (CS) is the current gold standard preservation method for small bowel (SB) prior to transplantation. However, CS can cause epithelial detachment, sloughing,…
2021 American Transplant Congress
Waitlist and Post-Transplant Outcomes of Candidates With Lvad: Comparison of Old and New Heart Allocation Policies
M. Colvin¹, Y. Ahn², S. Hall³, M. Walsh⁴, A. Israni²
¹Univ of Michigan, Ann Arbor, MI, ²SRTR, Minneapolis, MN, ³Baylor Univ, Dallas, TX, ⁴St. Vincent Heart Ctr, Indianapolis, IN
*Purpose: The new heart allocation policy took effect in October 2018. Its risk stratification scheme prioritizes patients with short-term devices, raising concern that candidates with…