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KMID : 1235520200190010006
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Research in Vestibular Science
2020 Volume.19 No. 1 p.6 ~ p.11
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Does 125-Hz Pure-Tone Thresholds Have Prognostic Value in Patients with Sudden Sensorineural Hearing Loss and Vertigo?
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An Yong-Hwi
Shim Hyun-Joon
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Abstract
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Objectives: To analyze 125-Hz pure-tone thresholds in dizzy patients with sudden sensorineural hearing loss (SSNHL) and to investigate the relationship between 125-Hz thresholds and the prognosis of SSNHL with vertigo.
Method: Hearing and vestibular function tests including 125-Hz pure-tone were performed in 132 patients with SSNHL and 65 subjects with normal hearing. Audiometric follow-up was performed at 6 months after initial visit. Intergroup and intragroup comparison of 125 Hz was made between SSNHL and control groups.
Results: Twenty-four patients (18.2%) had normal thresholds at 125 Hz in SSNHL group, whereas all subjects showed normal at 125 Hz in control group. None with average hearing threshold at 250 and 500 Hz≥30 dB had normal threshold at 125 Hz. There was no significant relationship between 125-Hz threshold and results of vestibular function test. There was no correlation between 125-Hz threshold and hearing recovery in SSNHL group.
Conclusions: There might be no need to assess 125-Hz pure-tone threshold in patients with SSNHL, because it is enough to evaluate thresholds of 250 and 500 Hz for low frequency.
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KEYWORD
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Sudden sensorineural hearing loss, Pure-tone audiometry, Auditory threshold
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