Use of immune globulin to prevent symptomatic cytomegalovirus disease in transplant recipients--a meta-analysis.
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The objective of this meta-analysis was to review the evidence for the use of immune globulin in the prevention of symptomatic cytomegalovirus (CMV) disease in transplant recipients. A computerized search of Medline from 1980 to October 1991 was conducted using the textword "cytomegalo:" and the subheading "prevention and control" for studies in all languages. Reference lists, a manual search of relevant literature and communication with internationally recognized experts were used to locate additional studies. Of the studies identified, 18 met the inclusion criteria (population: transplant recipients; intervention: immune globulin; outcome: symptomatic cytomegalovirus disease; study design: randomized controlled trial). The meta-analysis of the 18 studies showed a reduction in the incidence of symptomatic CMV disease in the group receiving immune globulin as compared to the untreated group. The common odds ratio was 0.58 (95% C.I. 0.42 to 0.77). Analyses of combining trials by subgroups of polyvalent immune globulin, hyperimmune globulin, bone marrow recipients and solid organ recipients resulted in common odds ratios comparable to the overall common odds ratio. Common odds ratios for the trials reporting cytomegalovirus interstitial pneumonia, cytomegalovirus death, overall death and graft loss ranged from 0.47 to 0.69. Common odds ratios for the effect of immune globulin prophylaxis analyzed by pre-transplant patient/donor cytomegalovirus antibody status ranged from 0.32 to 0.50. In conclusion, the use of immune globulin as passive immunization for the prevention of symptomatic cytomegalovirus disease in the transplant population is supported by this meta-analysis. The response is similar in both bone marrow and solid organ transplant recipients.(ABSTRACT TRUNCATED AT 250 WORDS)
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