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[Progression of profound perceptive deafness in children].

We have studied 340 cases of deep neurisensorial deafness in children and their evolution along a 7.2 years term. Conventional audiometry has been used as commonest method for assessing the auditive function. In a considerable number of cases (15.9%) hearing loss was progressive and some relation referring to sex, the bearing of hearing aids and the etiology is statistically contemplated.