AUDITORY STEADY-STATE RESPONSE THRESHOLDS IN ADULTS WITH CONDUCTIVE AND MILD TO MODERATE SENSORINEURAL HEARING LOSS

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HOSSEINABADI REZA; JAFARZADEH SADEGH

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

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Journal: Iranian Red Crescent Medical Journal Year:2015 | Volume:17 | Issue:1 Page(s): 0-0

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Information Journal Paper

Title

AUDITORY STEADY-STATE RESPONSE THRESHOLDS IN ADULTS WITH CONDUCTIVE AND MILD TO MODERATE SENSORINEURAL HEARING LOSS

Author(s)

HOSSEINABADI REZA | JAFARZADEH SADEGH | Issue Writer Certificate

Keywords

AUDITORY STEADY STATE RESPONSE

BEHAVIORAL AUDIOMETRY

SENSORY THRESHOLD

Abstract

Background: The AUDITORY STEADY STATE RESPONSE (ASSR) provides a frequency-specific and automatic assessment of hearing sensitivity and is used in infants and difficult-to-test adults.Objectives: The aim of this study was to compare the ASSR thresholds among various types (normal, conductive, and sensorineural), degree (normal, mild, and moderate), and configuration (flat and sloping) of hearing sensitivity, and measuring the cutoff point between normal condition and hearing loss for different frequencies.Patients and Methods: This clinical trial was performed in Iran and included patients who were referred from Ear, Nose, and Throat Department. A total of 54 adults (27 with sensorineural hearing loss, 17 with conductive hearing losses, and 10 with normal hearing) were randomly chosen to participate in our study. The type and degree of hearing loss were determined through testing by otoscopy, tympanometry, acoustic reflex, and pure tone audiometry. Then the ASSR was tested at carrier frequencies of 500, 1000, 2000, and 4000 Hz.Results: The ASSR accurately estimates the behavioral thresholds as well as flat and sloping configurations. There was no correlation between types of hearing loss and difference of behavioral and ASSR thresholds (P=0.69). The difference between ASSR and behavioral thresholds decreased as severity of hearing loss increased. The 40, 35, 30, and 35 dB could be considered as cutoffs between normal hearing and hearing loss for 500, 1000, 2000, and 4000 Hz, respectively.Conclusions: The ASSR can accurately predict the degree and configuration of hearing loss and discriminate the normal hearing from mild or moderate hearing loss and mild from moderate hearing loss, except for 500 Hz. The Air-conducted ASSR could not define the type of hearing loss.

Cites

Effects of restricting maximum possible intensity on auditory steady-state responses

References

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APA: Copy

HOSSEINABADI, REZA, & JAFARZADEH, SADEGH. (2015). AUDITORY STEADY-STATE RESPONSE THRESHOLDS IN ADULTS WITH CONDUCTIVE AND MILD TO MODERATE SENSORINEURAL HEARING LOSS. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), 17(1), 0-0. SID. https://sid.ir/paper/293039/en

Vancouver: Copy

HOSSEINABADI REZA, JAFARZADEH SADEGH. AUDITORY STEADY-STATE RESPONSE THRESHOLDS IN ADULTS WITH CONDUCTIVE AND MILD TO MODERATE SENSORINEURAL HEARING LOSS. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ)[Internet]. 2015;17(1):0-0. Available from: https://sid.ir/paper/293039/en

IEEE: Copy

REZA HOSSEINABADI, and SADEGH JAFARZADEH, “AUDITORY STEADY-STATE RESPONSE THRESHOLDS IN ADULTS WITH CONDUCTIVE AND MILD TO MODERATE SENSORINEURAL HEARING LOSS,” IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), vol. 17, no. 1, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/293039/en

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