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http://ipsapp002.lwwonline.com/content/getfile/1980/107/8/abstract.htm
Increasing resistance to antibiotics of the pathogens causing acute otitis media (AOM) emphasize the need for effective methods to prevent episodes of otitis media in young children.
To assess the effectiveness of pneumococcal vaccination for prevention of AOM in children age 12 years and younger.
Systematic review of 11 randomized controlled trials including 46 074 children in whom pneumococcal vaccination against AOM was compared with a control treatment. Vaccine effect was estimated as a rate ratio (RR): AOM episodes per child month in pneumococcal vaccination group divided by the AOM episodes per child-month in control group.
A moderate effect of pneumococcal polysaccharide vaccination was found in children 24 months of age and older [RR 0.78; 95% confidence interval (CI) 0.63 to 0.97]. Pneumococcal polysaccharide vaccine had little effect on prevention of AOM in children without previous documented episodes before vaccination (RR 0.92; 95% CI 0.85 to 0.99). Better efficacy was seen in those children with documented prior AOM before vaccination (RR 0.81; 95% CI 0.72 to 0.91). Pooled results of pneumococcal conjugate vaccine trials in infants vaccinated as early as 2 months of age and in toddlers attending day care showed only a small effect on prevention of AOM (RR 0.92; 95% CI 0.85 to 0.99).
Based on these results, a large scale pneumococcal vaccination program for a primary indication of preventing AOM in infancy is not indicated. The results of ongoing trials should provide more information whether the conjugate vaccine is effective in high risk (otitis-prone) children after 1 year of age.
From the Department of Epidemiology and Biostatistics, University Medical Center Nijmegen, Nijmegen (MS, GAZ); the Departments of Paediatric Immunology (EAMS) and Otorhinolaryngology (AGMS) and Julius Center for Health Sciences and Primary Care (RAMJD), Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht; and the Department of Paediatrics, Spaarne Hospital, Haarlem (RHCJ), the Netherlands.
Accepted for publication Feb. 10, 2003.
Reprints not available.
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