PubMed · 1568846
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S J Wallace. 1992. Herpes simplex encephalitis.. https://pubmed.ncbi.nlm.nih.gov/1568846/
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BACKGROUND: Posttransplant lymphoproliferative disorder (PTLD) has been observed with increasing frequency consequent to the availability of more effective and potent immunosuppression. Prior work suggested that a peripheral blood monitoring strategy detecting peripheral B lymphoproliferation was effective in the early diagnosis of PTLD among 7 of 179 (3.9%) consecutive transplant recipients. Each of those seven patients received at least one course of antithymocyte globulin, Minnesota antilymphocyte globulin, or OKT3 before developing PTLD. METHODS: To determine whether antiviral prophylaxis might reduce the incidence of PTLD, a subsequent group of 198 consecutive recipients received either ganciclovir or acyclovir during antilymphocyte antibody administration. When the donor or recipient were cytomegalovirus-seropositive, ganciclovir was given; acyclovir was used when both were cytomegalovirus-seronegative. Baseline and protocol posttransplant cell surface profiles were obtained using immunofluorescence and flow cytometry to detect T cells, lymphocyte activation markers, and the CD19 B cell antigen. RESULTS: Demographic factors, including the incidence of recipients more than 50 years of age, non-Caucasians, previous transplantation, and diabetes mellitus, were similar in both groups. Additionally, the number of patients receiving antilymphocyte preparations was similar. However, only one patient (0.5%) from the latter group who received preemptive antiviral therapy developed PTLD. Although elevations in CD19+ B cells preceded clinical PTLD among each of the seven earlier patients, evidence of peripheral B cell proliferation was not demonstrated for the sole patient from the latter group, which suggests a possible effect of antiviral therapy. CONCLUSIONS: Prophylactic antiviral therapy may reduce the sensitivity of peripheral monitoring for B lymphoproliferation, but the dramatic reduction in PTLD incidence strongly supports its use among transplant recipients at risk.
BACKGROUND: The attack rate of cytomegalovirus (CMV) is over 50% in solid organ transplant recipients at risk for primary CMV infection and in those receiving antilymphocyte antibody therapy. Various CMV prophylaxis regimens over the last few years have reduced the attack rate to around 20% overall. METHODS: We report our results using high-dose acyclovir for 3 months after transplant, with targeted intravenous ganciclovir for the duration of any antilymphocyte antibody therapy, in our kidney and simultaneous pancreas/kidney transplant recipients. Records of 109 consecutive patients over a 2-year period were reviewed. RESULTS: Six cases of CMV disease were identified. Five cases occurred in 21 patients at risk for primary CMV disease (24%), whereas only one case occurred in 73 patients at risk for CMV reactivation (1.4%). CONCLUSION: We conclude that high-dose acyclovir and targeted ganciclovir is excellent prophylaxis against CMV reactivation in kidney and simultaneous pancreas/kidney transplantation.
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