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  • Title: Effect of combined pneumococcal conjugate and polysaccharide vaccination on recurrent otitis media with effusion.
    Author: van Heerbeek N, Straetemans M, Wiertsema SP, Ingels KJ, Rijkers GT, Schilder AG, Sanders EA, Zielhuis GA.
    Journal: Pediatrics; 2006 Mar; 117(3):603-8. PubMed ID: 16510637.
    Abstract:
    BACKGROUND: Otitis media with effusion (OME) is very common during childhood. Because Streptococcus pneumoniae is one of the most common bacterial pathogens involved in OME, pneumococcal vaccines may have a role in the prevention of recurrent OME. OBJECTIVE: We sought to assess the effect of combined pneumococcal conjugate and polysaccharide vaccinations on the recurrence of OME. METHODS: A randomized, controlled trial was performed with 161 children, 2 to 8 years of age, with documented persistent bilateral OME. All subjects were treated with tympanostomy tubes (TTs). One half of the subjects were assigned randomly to additional vaccination with a 7-valent pneumococcal conjugate vaccine 3 to 4 weeks before and a 23-valent pneumococcal polysaccharide vaccine 3 months after tube insertion. Blood samples were drawn at the first vaccination, at the time of TT placement, and 1 and 3 months after the second vaccination. Levels of IgA and IgG serum antibody against the 7-valent pneumococcal conjugate vaccine serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F were measured with enzyme-linked immunosorbent assays. All children were monitored for recurrence of OME for 6 months after spontaneous extrusion of the TTs. RESULTS: The overall recurrence rate of bilateral OME was 50%. Pneumococcal vaccinations induced significant 4.6- to 24.4-fold increases in the geometric means of all conjugate vaccine serotype antibody titers but did not affect recurrence of OME. CONCLUSIONS: Combined pneumococcal conjugate and polysaccharide vaccination does not prevent recurrence of OME among children 2 to 8 years of age previously known to have persistent OME. Therefore, pneumococcal vaccines are not indicated for the treatment of children suffering from recurrent OME.
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