Late-onset cytomegalovirus (CMV) disease remains common in CMV serology naïve kidney transplant patients of CMV serology positive organs (D+/R–) despite the use of antiviral prophylaxis. We studied clinical efficacy of 6-month low-dose valganciclovir (VGCV) prophylaxis, risk factors for late-onset CMV disease and its impact on kidney transplant outcomes. Between October 2005 and December 2009, 166 consecutive D+/R– kidney alone and simultaneous pancreas and kidney transplant patients received VGCV 450 mg daily for 6 months after transplantation. After a median follow-up of 3.2 years, 30 cases of CMV disease occurred within the first 2 years after transplantation with a cumulative incidence of 11.5 and 18.1% at 1 and 2 years, respectively.
The use of an induction agent with rabbit antithymocyte globulin and older donor age were factors associated with the risk of late-onset CMV disease (AHR 2.91, 95% CI 1.18–7.20, p = 0.021 and AHR 1.03, 95% CI 1.01–1.06, p = 0.016, respectively). Late-onset CMV disease was associated with increased risk for death-uncensored graft loss (AHR 2.95, 95% CI 1.15–7.61, p = 0.025). In conclusion, late-onset CMV disease continues to negatively impact kidney transplant outcome despite 6-month low-dose VGCV prophylaxis. Investigations focusing on novel preventive approaches should be emphasized.
The use of an induction agent with rabbit antithymocyte globulin and older donor age were factors associated with the risk of late-onset CMV disease (AHR 2.91, 95% CI 1.18–7.20, p = 0.021 and AHR 1.03, 95% CI 1.01–1.06, p = 0.016, respectively). Late-onset CMV disease was associated with increased risk for death-uncensored graft loss (AHR 2.95, 95% CI 1.15–7.61, p = 0.025). In conclusion, late-onset CMV disease continues to negatively impact kidney transplant outcome despite 6-month low-dose VGCV prophylaxis. Investigations focusing on novel preventive approaches should be emphasized.
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