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  • Title: CMV, EBV, HHV6, and HHV7 infections after intestinal transplantation without specific antiviral prophylaxis.
    Author: Pascher A, Klupp J, Schulz RJ, Dignass A, Neuhaus P.
    Journal: Transplant Proc; 2004 Mar; 36(2):381-2. PubMed ID: 15050166.
    Abstract:
    PURPOSE: To analyze the incidence and relevance of viral infections after intestinal transplantation (ITx) without specific antiviral prophylaxis. METHODS: Eleven patients (median age 34 years; range 26 to 58 years) who underwent ITx received no CMV/EBV prophylaxis but rather preemptive treatment. Viral monitoring for CMV or EBV polymerase chain reactions (PCR) in peripheral blood and graft biopsies, for HHV6-, and HHV7-PCR; for adeno-/rotavirus antigen and serology was performed based on clinical indications. RESULTS: Median time under risk was 19 months (range 2 to 39). CMV: The donor (D)-to-recipient (R) status prior to ITx was: D+/R+ (4); D+/R- (3); D-/R- (2); D-/R+ (2). Eight patients showed no positive CMV-PCR. Three episodes of tissue invasive CMV disease occurred in two patients. There were two asymptomatic CMV infections but no episodes of CMV disease. None of the R(-) recipients developed CMV infection or enteritis irrespective of the donor status. EBV: Four patients experienced six episodes of transient significant EBV-viremia. Two patients developed EBV enteritis concurrently with CMV enteritis during acute rejection. There were no PTLD. CMV and EBV enteritis only occurred during or immediately after steroid and OKT3 therapy. None of the patients developed significant HHV6 and HHV7 infection or viremia. There was one episode of adeno- and rotavirus enteritis. CONCLUSIONS: Despite witholding specific antiviral prophylaxis against CMV and EBV, we observed no such infections in 60% to 80% of patients. Donor-recipient matching regarding CMV was not predictive for the occurrence of CMV-related complications. HHV6 and HHV7 have not contributed to posttransplant morbidity.
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