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  • Title: Single-Center Outcomes of Epstein-Barr Virus DNAemia in Adult Solid Organ Transplant Recipients.
    Author: Dong SW, Blair BM, Alonso CD.
    Journal: J Transplant; 2024; 2024():5598324. PubMed ID: 38283325.
    Abstract:
    BACKGROUND: Immunosuppression in solid organ transplantation (SOT) increases the risk of Epstein-Barr virus (EBV) DNAemia, which may herald development of posttransplant lymphoproliferative disease (PTLD). Few studies have characterized the incidence, risk factors, and clinical impact of EBV DNAemia in adult SOT recipients (SOTR). METHODS: A single-center, retrospective review of adult (≥18 years) SOTR between 01 January 2015 and 31 December 2019 was conducted. Patients were stratified by the primary study endpoint of development of EBV DNAemia (whole blood EBV DNA PCR > 200 copies/mL). Secondary endpoints included development of PTLD, reduction in immunosuppression (RIS), use of pre-emptive therapy, and all-cause mortality. RESULTS: Among 442 adult SOTR, the predominant transplant organs were the kidney (258, 58%) and liver (141, 31.9%). EBV serostatus in most subjects (430, 97%) was classified as intermediate risk (R+). Eight subjects (2%) were high risk (donor (D+/R-), and 4 (1%) were low risk (D-/R-). The overall incidence of EBV DNAemia was 4.1% (18/442) with a median time to detection of 14 months (range 3-60). The highest proportion of DNAemia was observed in D+/R- subjects (37.5%; p < 0.001). Development of PTLD was significantly associated with EBV DNAemia and occurred in 3/18 patients with DNAemia (16.7%) vs. 3/424 (0.7%) without DNAemia (p < 0.001). All patients with PTLD were managed with RIS and rituximab. CONCLUSION: We observed that EBV D+/R- serostatus and development of sustained EBV DNAemia were high risk features associated with subsequent development of PTLD in our cohort of adult SOTR.
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