This study compared the real-ear response provided by custom-fit hearing aids to the closest matching fixed-format disposable hearing aids in patients with precipitous high-frequency hearing loss. Laboratory and field measures of aided performance were obtained to compare patient performance
with the custom-fit and fixed-format hearing aids. In addition, coupler versus real-ear response differences were compared for the two hearing aid types. The results revealed that relatively close approximations to the real-ear aided responses of the custom-fit instruments were possible for
most participants using seven fixed acoustic formats. No significant differences in mean performance between the two instrument types were observed for aided speech recognition or field ratings of aided performance, although mean patient satisfaction was lower for the disposable hearing aids.
The real-ear to coupler difference was greater for the disposable hearing aid than for the custom-fit instruments, presumably owing to its deeper insertion into the ear canal. Este estudio compara las respuestas medidas en oído-real (real-ear) generadas por un auxiliar auditivo construido
y adaptado a la medida, con las de un auxiliar auditivo descartable de formato fijo, en pacientes con una pérdida auditiva de caída abrupta en altas frecuencias. Se obtuvieron mediciones de rendimiento amplificado, tanto de laboratorio como de campo, para comparar las respuestas
de pacientes con auxiliares auditivos construidos a la medida y con aquellos de formato fijo. Además, se compararon las diferencias de respuesta para los dos tipos de auxiliar auditivo, tanto en acoplador como en oído-real. Los resultados revelaron que era posible obtener, para
la mayor parte de los participantes, una relativamente cercana aproximación a la respuesta amplificada en oído-real de los instrumentos construidos a la medida, utilizando siete formatos acústicos fijos. No se observaron diferencias significativas en el rendimiento promedio
entre los dos tipos de instrumentos para el reconocimiento del lenguaje amplificado o para evaluaciones de campo de rendimiento amplificado, aunque la satisfacción media del paciente fue menor para los auxiliares auditivos descartables. Las diferencias entre el oído-real y el
acoplador fueron mayores para los auxiliares auditivos descartables que para los instrumentos construidos a la medida, presumiblemente debido a su inserción mas profunda en el canal auditivo.
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Keywords:
BENEFIT;
CUSTOM FIT;
DISPOSABLE;
HEARING AIDS;
REAL-EAR AIDED RESPONSE;
SATISFACTION;
SPEECH RECOGNITION
Document Type: Research Article
Publication date:
July 1, 2002
More about this publication?
The Journal of the American Academy of Audiology (JAAA) is a scholarly peer-reviewed publication and the official journal of the American Academy of Audiology. JAAA publishes articles and clinical reports in all areas of audiology, including audiological assessment, amplification, aural habilitation and rehabilitation, auditory electrophysiology, vestibular assessment, hearing and balance public health, and hearing and vestibular science. The journal is an online-only publication with a related continuing-education assessment program available to Academy members. Beginning in January 2025, the Academy resumed its role as the publisher of JAAA.
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