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Table 3.2.4 Effects of autoinflation on hearing in secretory otitis media (SOM).AuthorYearReferenceCountryStudydesignPatientpopulationInterventionControlBlanshard et al1993[205]United KingdomRCTIncludedin Perera’sreview [98]n=85Age: 3–10 yearsDiagnosis:SOM bilaterally>3 monthsB-or C-tympanogramOtovent autoinflation x3 daily: n=42Control: n=41Brooker et al1992[206]United KingdomRCTOpenIncludedin Perera’sreview [98]n=40Age: 3–10 yearsDiagnosis:SOM uni- or bilaterallyB-tympanogramToy ballon autoinflationx 3: n=21Control: n=19Fraser et al1977[207]United KingdomCCTIncludedin Perera’sreview [98]n=85Age: 3–12 yearsDiagnosis:SOM bilaterally as seenon tympanometryCarnival blower autoinflation:n=43Control: n=423 factorial study.The children were alsorandomised to antihistamineor nose dropsCCT = Controlled clinical trial; PTA = Pure tone average; RCT = Randomised controlledtrial; SOM = Secretory otitis media128Rörbehandling vid inflammation i mellanörat

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