PubMed · 9351061
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E Dupont, M Toungouz, M Andrien, P Vereerstraeten. 1997. Compressive HLA matching.. https://doi.org/10.1093/ndt%2F12.10.2048
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Post-transplant lymphoproliferative disorder (PTLD) represents a spectrum of Epstein-Barr virus-related (EBV) clinical diseases, from a benign mononucleosis-like illness to a fulminant non-Hodgkin's lymphoma. In the setting of hematopoietic stem cell transplantation, PTLD is an often-fatal complication occurring relatively early after transplant. Risk factors for the development of PTLD are well established, and include HLA-mismatching, T-cell depletion, and the use of antilymphocyte antibodies as conditioning or treatment of graft-versus-host disease. Early recognition of PTLD is particularly important in the SCT setting, because PTLD in these patients tends to be rapidly progressive. Familiarity with the clinical features of PTLD and a heightened level of suspicion are critical for making the diagnosis. Surveillance techniques with EBV antibody titers and/or polymerase chain reaction (PCR) may have a role in some high-risk settings. Immune-based therapies such as monoclonal anti-B-cell antibodies, interferon-alpha, and EBV-specific donor T cells, either as treatment for PTLD or as prophylaxis in high-risk patients, represent promising new directions in the treatment of this disease.
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BACKGROUND: The Scotland-Northern Ireland Kidney Allocation Alliance was created in August 1998. The purpose was to optimize the transplant service through increased regional exchange, higher quality matched kidneys, and better organ distribution. METHODS: An analysis was performed on prospectively collected data regarding retrieval and transplant activity. The degree of HLA matching, the cold ischemic time (CIT), the balance of exchange, and graft survival were analyzed for a 2-year period after the introduction of the new alliance and compared with the last year before alliance. RESULTS: There was a 17.7% increase in the number of transplants performed. In the 2-year period, 78% of kidneys were exported from the retrieving center compared with 55% in the prealliance year, (P<0.05, chi2). The proportion of 000 mismatched transplants and other favorable matches increased from 9.5 to 21% and from 52.5 to 61%, respectively. There was no significant difference between the CIT for the three study periods, nor between the CIT for locally used kidneys versus those exchanged within the Alliance (P>0.05, Student's t test). The largest center was a net importer of kidneys, whereas small and medium-sized centers balanced their exchange within the 2-year period. The 1-year transplant survival rate improved from 81.5% in the prealliance year to 88.4% at the end of the second year. CONCLUSIONS: The introduction of a regional kidney allocation alliance has improved the degree of HLA matching and increased the exchange of organs, without a significant increase in the CIT and any detrimental effect on graft survival.