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KMID : 0361020220650020086
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Korean Journal of Otolaryngology - Head and Neck Surgery
2022 Volume.65 No. 2 p.86 ~ p.92
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Evaluation of Effectiveness of Stellate Ganglion Block Treatment of Sudden Sensorineural Hearing Loss
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Han Seung-Yoon
Lee Jin
Koo Hyung-Bon
Chung Ju-Yong
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Abstract
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Background and Objectives Sudden sensorineural hearing loss (SSNHL) is characterizedby sudden onset of impaired hearing, and systemic steroid is the most widely accepted treatmentoption for it. The aim of this study is to evaluate the effectiveness of stellate ganglionblock (SGB) as a treatment option for SSNHL.
Subjects and Method A total of 318 patients diagnosed with SSNHL were treated withsystemic steroid and SGB (SGB group, 127 patients) or systemic steroid only (non-SGB group,191 patients). Hearing improvement was defined as a hearing gain of more than slight improvementusing Siegel’s criteria.
Results The SGB group did not show any significant effects on hearing improvement comparedwith the non-SGB group (60% vs. 65%). However, some patients with profound hearingloss of more than 90 dB have recovered above average after the SGB treatment. Also, we usedmultiple regression analysis to ascertain which factors influenced hearing recovery, and foundthat the initial pure-tone audiometry thresholds at 2000 Hz and 4000 Hz were statistically associatedwith hearing recovery.
Conclusion In conclusion, SGB did not show a clear therapeutic effect, but suggested thepossibility of treatment for improving the inner ear circulation of patients with profound hearingloss.
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KEYWORD
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Stellate ganglion, Steroids, Sudden hearing loss
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