Congenital sensorineural hearing loss is frequent (3/1000 births, Martin et al. 1981, Fortum et al. 1997). Furthermore, otitis media is among the most frequent afflictions discovered in small childhood, and Handicaps secondary to sensorineural hearing loss are numerous: language, cognitive disorders, delay according to school and social integration (Joint Commitee on Infant Hearing 1994, Casselbrant et al. 2005, Jung et al. 2005).