Early hearing improvement predicts the prognosis of idiopathic sudden sensorineural hearing loss

Marie N. Shimanuki, Seiichi Shinden, Naoki Oishi, Noriomi Suzuki, Kaho Iwabu, Tsubasa Kitama, Amina Kida, Koji Sakamoto, Kaoru Ogawa

研究成果: Article査読

抄録

Purpose: To determine pre- and post-treatment factors that are useful for predicting the prognosis of hearing improvement in idiopathic sudden sensorineural hearing loss (ISSHL). Methods: This retrospective study included 332 patients with ISSHL. Patients received intravenous steroid treatment (prednisolone sodium succinate; 120 mg/day followed by dose tapering). Complete recovery of hearing levels was defined as a final pure-tone audiometry of ≤ 20 dB HL or the same level as the contralateral ear. Patients’ age; sex; side of hearing loss; initial hearing level; days from onset to treatment; presence of vertigo, diabetes, and hypertension; and hearing improvement on days 3–4 and 6–7 after treatment initiation were analyzed as potential prognostic factors. Results: Overall, 109 patients (32%) had complete recovery. Results of the multivariate logistic regression model identified age (odds ratio [OR] = 0.974), initial hearing level (OR = 0.949), vertigo (OR = 0.409), and hearing improvement on days 6–7 after treatment initiation (OR = 1.11) as significant independent predictors of complete recovery. Age ≥ 60 years, initial hearing level ≥ 72.5 dB HL, and vertigo contributed to poor prognosis. Patients without these three factors and a hearing improvement of ≥ 10 dB HL on days 6–7 post-treatment had a complete recovery rate of 80%. Only 1.5% of the patients with 2–3 of these factors and a hearing improvement of < 10 dB HL on days 6–7 after treatment initiation achieved complete recovery. Conclusion: Age, initial hearing level, vertigo, and hearing improvement on days 6–7 after treatment initiation were independent predictors of hearing recovery in ISSHL.

本文言語English
ジャーナルEuropean Archives of Oto-Rhino-Laryngology
DOI
出版ステータスAccepted/In press - 2021

ASJC Scopus subject areas

  • Otorhinolaryngology

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