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KMID : 1039520200240010024
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Journal of Audiology & Otology
2020 Volume.24 No. 1 p.24 ~ p.28
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Comparison of the Effects of Intratympanic Steroid Injection at Different Intervals in Sudden Sensorineural Hearing Loss
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Sung Han-Kyung
Kang Ju-Chang
Shin Kyu-Ha
An Yun-Suk
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Abstract
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Background and Objectives: Systemic steroid therapy (SST) and intratympanic steroid injection (ISI) have been the treatment of choice for sudden sensorineural hearing loss (SSNHL). We studied the effect of ISI administered at different intervals on hearing outcomes in patients with SSNHL.
Subjects and Methods: We performed a retrospective study of 427 patients diagnosed with SSNHL at Bundang Jesaeng Hospital, of whom 51 patients with SSNHL who received SST and four ISIs were included in this study. Patients were treated with four ISIs either every day for 4 days (group 1) or at intervals (mean duration of interval: 2.21 days) (group 2). Hearing outcomes were evaluated using the pure-tone test before the injection and 14 days, 1 month, and 3 months after the final injection. Recovery rates were classified based on Siegel’s criteria.
Results: The amount of improvement was 27.67 dB (±20.45) in group 1 and 32.79 dB (±21.42) in group 2. However, there were no significant differences between the two groups (p= 0.714). The recovery rates based on Siegel’s criteria were 18/27 (66.7%) and 16/24 (66.7%) in groups 1 and 2, respectively, with no significant difference (p=1.000). Considering only complete recoveries in hearing recovery, the recovery rates were 15/27 (55.6%) and 14/24 (58.3%) in groups 1 and 2, respectively, with no significant difference (p=0.842).
Conclusions: There were no significant differences in hearing outcomes or recovery rates after ISI administration every day or at intervals of 2-3 days.
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KEYWORD
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Correction of hearing loss, Intratympanic injection, Sensorineural hearing loss
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