ArticleJournal of clinical virology : the official publication of the Pan American Society for Clinical Virology2025
Limited utility of Epstein-Barr virus (EBV) surveillance for predicting post-transplant lymphoproliferative disorders in adult EBV seropositive lung transplant recipients.
Article in Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
backgroundEBV DNAemia surveillance, with reduction of immunosuppression at certain viral load (VL) thresholds, is a common practice for mitigating progression from EBV DNAemia to post-transplant lymphoproliferative disorder (PTLD) in lung transplant recipients (LTRs). The utility of EBV surveillance in adult EBV seropositive LTRs is unknown.
methodsWe performed a retrospective cohort study of EBV seropositive adult LTRs who underwent lung transplant between 1/1/19 and 12/31/20 and received whole blood (WB) EBV PCR surveillance. We compared peak WB EBV VLs among 3 groups: 1) asymptomatic LTRs who developed PTLD, before PTLD was clinically suspected, 2) LTRs who developed PTLD, after PTLD was clinically suspected, and 3) LTRs who did not develop PTLD. We calculated the positive predictive value (PPV) of moderate-grade DNAemia (2840 to 11,360 IU/mL) and high-grade DNAemia (≥ 11,360 IU/mL) for identifying active or future PTLD.
resultsSix (2.6 %) of 229 LTRs developed PTLD. Among LTRs who developed PTLD, median peak EBV VL was significantly higher after PTLD was suspected than before clinical signs of PTLD were present (16,004 IU/mL vs. ≤568 IU/mL, p = 0.016). Median peak EBV VLs were similar between asymptomatic LTRs who later developed PTLD and LTRs who did not develop PTLD (median peak EBV VL ≤568 IU/mL vs. ≤568 IU/mL, p = 0.62). The PPVs for moderate- and high-grade DNAemia were 14.7 % and 33.3 %, respectively.
conclusionsEBV surveillance did not accurately identify EBV seropositive LTRs at risk for progressing to PTLD. EBV PCR testing in asymptomatic EBV seropositive transplant recipients may represent an opportunity for diagnostic stewardship.
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