NDLI: Bone conduction hearing: device auditory capability to aid in device selection.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Syms, Mark J. Hernandez, Kelly E.
Spatial Coverage	United States
Description	Country affiliation: United States Author Affiliation: Syms MJ ( Neurotology, Barrow Neurological Institute, Phoenix, Arizona, USA.)
Abstract	OBJECTIVE: To obtain identical laboratory measures of 8 (surgical and nonsurgical) bone conduction devices and relate them to clinical function. STUDY DESIGN: Each device was measured with a single laboratory system and characterized with descriptive statistics. SETTING: Laboratory. SUBJECTS AND METHODS: Seven surgical devices (Intenso, BP110, BP100, and Cordelle [Cochlear, Denver, Colorado]; Ponto Pro and Ponto Pro Power [Oticon Medical, Somerset, New Jersey]; and Alpha 2 [Sophono, Inc, Boulder, Colorado]) and 1 nonsurgical dental device (SoundBite; Sonitus Medical, Inc, San Mateo, California) constituted the independent variables. Measured maximum output and gain parameters were the dependent variables. RESULTS: Maximum output varied across devices in the pure-tone average (PTA; 500-3000 Hz) frequency range (mean, 109.7 dB re 1 µN; range, 98.8-119.2 dB) and in the above-PTA (4000-8000 Hz) frequency range (mean, 102.6 dB re 1 µN; range, 88.99-119.6 dB). Maximum gain varied in the PTA frequency range (mean, 40 dB; range, 29.1-49.1 dB) and was higher in the frequency range above the PTA (mean, 32.0 dB; range, 20.8-46.0 dB). CONCLUSION: All devices have sufficient maximum output and gain for the PTA frequency range for single-sided deafness (SSD). The devices differed in maximum output and gain for the frequency range above the PTA, a consideration for accommodating presbycusis and optimizing auditory function for SSD. The surgical devices have less maximum output and gain in the above-PTA range than in the PTA range. The nonsurgical dental device had the highest output (up to 30 dB higher) and gain (up to 26 dB higher) in the above-PTA range.
File Format	HTM / HTML
ISSN	01945998
Issue Number	5
Volume Number	150
e-ISSN	10976817
Journal	Otolaryngology -- Head and Neck Surgery
Language	English
Publisher	SAGE Publications
Publisher Date	2014-05-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Signal Processing, Computer-assisted Comparative Study United States Humans Discipline Otolaryngology Bone Conduction Physiology Audiometry, Pure-tone Prosthesis Design Journal Article Hearing Aids
Content Type	Text
Resource Type	Article
Subject	Otorhinolaryngology Surgery

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