Long-term hearing outcomes after recurrent acute otitis media during early childhood
Mattias Krakau1, Britta Rynnel Dagöö1, Sten Hellström2,3
1a Department of Oto-Rhino-Laryngology , Karolinska University Hospital , Stockholm , Sweden.
Objective:
To survey long-term hearing outcomes and middle ear pathology in a 30-year follow-up in individuals with onset of recurrent acute otitis media (rAOM) before three years of age.
Methods:
28 adults, aged 30.1-31.8 years, who originally - at the age of 12-32 months - participated in a study on rAOM between 1979 and 1983, were re-examined regarding self-reported ear problems, current tympanic membrane changes and audiology. Thirteen subjects had suffered from rAOM during early childhood and 15 subjects served as a control group.
Results:
Recurrent acute otitis media subjects reported hearing problems comparable to those of the controls. Pure tone audiometry, at 125-8000 Hz, did not differ between groups. The rAOM group had a trend for impaired high-frequency (9000-14,000 Hz) threshold levels (9000-14,000 Hz); implying that their cochlear function seemed to have deteriorated.
Conclusions:
Adults, who suffered from recurrent acute otitis media as infants, did not show any clinically significant hearing loss for pure tone audiometry when compared to controls, but there was a trend for impaired results regarding extended high frequency audiometry (9-14 kHz). Children suffering from rAOM will be at low risk of developing hearing loss and severe middle ear disease.
