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  • Title: Cytomegalovirus infection in renal transplant recipients.
    Author: Carstens J, Andersen HK, Spencer E, Madsen M.
    Journal: Transpl Infect Dis; 2006 Dec; 8(4):203-12. PubMed ID: 17116133.
    Abstract:
    We have retrospectively analyzed the incidence of cytomegalovirus (CMV) infection in 250 consecutive renal allograft transplants performed in 244 recipients. The mean follow-up was 35.1+/-25.4 months. Immunosuppression was cyclosporine- or tacrolimus-based triple therapy. CMV infection prophylaxis with ganciclovir for 3 months post transplant was prescribed in CMV-seronegative recipients of allografts from seropositive donors (D+R-) and in all recipients treated with OKT3. CMV antigenemia was monitored by the pp65-antigen assay. Thirteen of 57 D+R- recipients (22.8%) developed CMV antigenemia. One recipient had a breakthrough of CMV antigenemia during ganciclovir prophylaxis; 12 D+R- recipients developed CMV antigenemia 147.5+/-173.8 days after transplantation. Four of 13 (30.7%) D+R- recipients had asymptomatic CMV infection, 8 (61.6%) had CMV infection with non-specific symptoms including fever, and 1 (7.7%) developed CMV pneumonia. Six of 13 (46.1%) D+R- patients had been treated with intensified immunosuppressive therapy before CMV infection. In the low-risk CMV groups (D+R+; D-R+; D-R-), 28 recipients (14.5%) developed CMV antigenemia 42.5+/-15.2 days post transplantation. Ten of the 28 (35.7%) recipients had asymptomatic CMV infection, 17 (60.7%) developed CMV infection with non-specific symptoms, and 1 (3.6%) developed CMV pneumonia. Twenty-one of 28 (75.0%) had intensified immunosuppressive therapy before CMV infection. In conclusion, ganciclovir prophylaxis diminished and delayed the onset of CMV infection but did not totally prevent it from occurring in D+R- renal transplant recipients. Clinicians should be vigilant to the possibility of CMV infection in both seronegative and seropositive recipients, especially after anti-rejection therapy.
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