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Findings at initial surgery for childhood otitis media with effusion and subsequent outcome.

The outcome of initial surgical treatment in children with otitis media with effusion (OME) was analysed in a prospective study involving 225 new patients. The presence or absence of effusion in each ear and type of effusion present were recorded at surgery. The outcome measure studied was resolution or recurrence of middle ear effusions necessitating further surgical intervention. The outcome was significantly more favourable in children with unilateral effusions at surgery as opposed to bilateral effusions (P > 0.03) but was unrelated to the type of effusion (serous or mucoid). Patients with unilateral effusions at surgery appear to have a fluctuating form of OME in which effusions are present in either or both ears at different times.