Prevalence, aetiology, and care of severe and profound hearing loss.

Prevalence, aetiology, and care of severe and profound hearing loss.

Severe and profound hearing loss (> 70 dB) were analysed in a retrospective study of 226 children, born between 1976 and 1985, and recruited from three French administrative departments. The prevalence was 0.54 per 1000 children under 9 years old, with no decrease over the study period. A hereditary origin was identified in 20.8% of cases and an infectious origin in 11.5%. Perinatal risk factor...

Outcomes of Severe to Profound Idiopathic Sudden Sensorineural Hearing Loss

OBJECTIVES While a severe to profound sudden sensorineural hearing loss (SSNHL) may cause serious disability in verbal communication, there have been little studies focusing on this high degree SSNHL. The present study was aimed to investigate the characteristics of hearing recovery in a high degree SSNHL (>70 dB). METHODS Three hundred and two SSNHL patients were enrolled. For a long-term fo...

Signal Processing for Severe-to-Profound Hearing Loss

Wide dynamic range compression has become the mostly used signal processing strategy for mild to moderate hearing losses although there is still some discussion going on regarding the details of such compression systems. Furthermore, sophisticated signal processing strategies such as automatic program selection, adaptive digital directional microphones and sophisticated noise canceling schemes ...

Cochlear implants for children with severe-to-profound hearing loss.

Copyright © 2007 Massachusetts Medical Society. A 4-month-old baby girl whose parents and 6-year-old brother have severe-to-profound sensorineural hearing loss is referred for consideration for cochlear implantation. Each of the baby’s parents had previously received a cochlear implant in adulthood, and her older brother had received a cochlear implant at 18 months of age. The family uses oral ...

Aetiology of Profound Bilateral Sensorineural Hearing Loss in Children: Clinical Spectrum in North-eastern Nigeria