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  • Title: Prognostic effect of lymphocyte subgroup CD4+ and CD8+ cells in peripheral blood in renal transplant patients with cytomegalovirus viremia.
    Author: Chen JS, Li LS, Cheng DR, Ji SM, Sun QQ, Cheng Z, Wen JQ, Sha GZ, Liu ZH.
    Journal: Transplant Proc; 2009 Jun; 41(5):1639-42. PubMed ID: 19545698.
    Abstract:
    OBJECTIVE: Our aim was to evaluate the prognostic effect of peripheral blood lymphocyte subgroup CD4+ and CD8+ cells on renal transplant patients with cytomegalovirus (CMV) viremia. MATERIALS AND METHODS: Using 41 renal transplant patients with CMV-PCR(+) in peripheral blood and stable values of serum creatinine (SCr), we evaluated the changes in lymphocyte subgroup CD4+ and CD8+ cells with onset of antiviral therapy with gancyclovir for treatment of pneumonia. We compared patients with or without pneumonia. RESULTS: The lower the peripheral blood lymphocyte subgroup CD4+ and CD8+ cell numbers, the higher the incidence of CMV pneumonia. The numbers of CD4+ and CD8+ cells at 1 month posttransplantation and at the time of CMV-PCR(+) detection were significantly lower than those before transplantation in the CMV pneumonia group (P < .01) and also in the nonpneumonia group. CONCLUSIONS: The decrease in peripheral blood lymphocyte subgroup CD4+ and CD8+ cells after renal transplantation in patients with CMV viremia showed prognostic value for pneumonia. Increased CD4+ and CD8+ cells in peripheral blood combined with preemptive therapy may reduce the incidence of pneumonia among patients with CMV viremia.
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