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Pró-Fono Revista de Atualização Científica

versão impressa ISSN 0104-5687

Resumo

AMORIM, Raquel Martins da Costa  e  ALMEIDA, Katia de. Study of benefit and of acclimatization in recent users of hearing aids. Pró-Fono R. Atual. Cient. [online]. 2007, vol.19, n.1, pp.39-48. ISSN 0104-5687.  http://dx.doi.org/10.1590/S0104-56872007000100005.

BACKGROUND: benefit and acclimatization. AIM: to characterize the short-term benefits presented by adults, recent users of hearing aids, through objective (functional gain) and subjective (self-evaluation questionnaires) procedures. The possible occurrence of the phenomenon of acclimatization was also investigated based on the analysis of the speech recognition percent index (SRPI) before the fitting of the hearing aids and after four and 16/18 weeks of hearing aids use. METHOD: sixteen subjects, with ages between 17 and 89 years, with symmetric moderate or severe sensorineural hearing loss, recent hearing aid users, were evaluated. The study was divided in three phases: before the hearing aids fitting, and after four and 16/18 weeks following the fitting process. In all of the phases the following procedures were used: pure tone audiometry, speech recognition percent index, speech recognition threshold and the Hearing Handicap Inventory for Elderly Screening Version or the Hearing Handicap Inventory for the Adults Screening Version, and the Abbreviated Profile of Hearing Aid Benefit. After the hearing aid fitting process, subjects were submitted to free field audiometry. RESULTS: results showed statistically significant differences between objective and subjective measures after the use of hearing aids, indicating short-term benefit. However, as time went by, the benefit obtained with the use of hearing aids did not improve significantly, suggesting that benefit does not increase with time. SRPI as well as subjective measures improved with long-term hearing aid use, but such differences were not statistically significant. CONCLUSIONS: short-term benefits were obtained with the use of hearing aids, however the phenomenon of acclimatization was not observed through the SRPI.

Palavras-chave : Hearing Aids; Neuronal Plasticity; Hearing Loss.

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