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- Title
EVALUATING THE EFFECTIVENESS OF BINAURAL HEARING AID PATIENTS WITH ASYMMETRIC HEARING LOSS ON SPEECH INTELLIGIBILITY TEST RESULTS AND LATERALIZATION OF SOUND.
- Authors
Kovalchuk, Petro; Abyzova, Tatiana Golubok; Deeva, Julia
- Abstract
Binaural hearing aid is more physiological compared with monaural and provides patient benefits such as the ability to locate the sound source in the horizontal and vertical planes, increases the signal / noise ratio, sense of balance, especially at night and improved features intelligibility of speech. Violation of auditory function leads to disruption of binaural hearing. Adequate and timely hearing aid allows to save this function. In asymmetric hearing loss indications for binaural hearing aid was considered hearing loss, in which the difference of average hearing thresholds did not exceed 20 dB. This approach unnecessarily narrowing the indications for binaural hearing aid appointment that led to monaural use of hearing aid and prevents sensory deprivation the other ear. The aim of our study was to explore the possibilities of binaural hearing aid patients with asymmetrical hearing impaired. We observed 48 patients with chronic sensorineural hearing loss and mixed medium to severe and ear difference between 25 and 35 dB. The age of patients ranged from 23 to 72 years, 21 women and 27 men. All patients, regardless of previous experience, selection was carried binaural hearing aids. To assess the effectiveness of tests used lateralization of sound and speech intelligibility in words, phrases and sentences. In most patients (36 individuals, 75%) for the test results lateralization of sound was achieved binaural balance volume. In 12 patients (25%) use the term hearing aid was more than 10 years were different perceptions of sounds and require a long process of adaptation.
- Subjects
BINAURAL hearing aids; HEARING impaired; INTELLIGIBILITY of speech; CEREBRAL dominance; SIGNAL-to-noise ratio; SENSORY deprivation
- Publication
Journal of International Advanced Otology, 2015, Vol 11, p23
- ISSN
1308-7649
- Publication type
Article