Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
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In children with otitis media with effusion (OME), to investigate the incidence of, and any association, between retractions of the pars tensa and pars flaccida; to assess the effect of pars tensa and pars flaccida retractions on the hearing; to investigate risk factors for retractions; and to document the natural history of such retractions over a 12-week 'watchful aiting" period. ⋯ There is minimal evidence to support the concept that pars tensa or pars flaccida retractions are a strong or relevant marker for the severity or evolution of OME in children. Prospective studies over a longer period of follow-up are required to confirm this.