Demonstrates improved hearing preservation rates in younger patients with vestibular schwannomas, suggesting enhanced surgical techniques are effective.
More than half of cases with vestibular schwannomas can lead to severe hearing loss in the natural course of the tumors.To prevent progression of hearing loss, hearing-preservation surgery can be an option, especially for enlarging tumors in younger patients and for patients hoping for hearing preservation.However, the hearing preservation rate for surgeries is generally 50％ on average, and this low rate has led to an increase in wait-and-see cases, with the consequence of progression to severe hearing loss.Our team has performed more than 100 cases of hearing preservation surgery for vestibular schwannoma over the last 10 years, and the recent hearing preservation rate has reached 70-80％, with some cases of hearing improvement.We have improved our surgical method by introducing new intraoperative ABR and DNAP criteria for hearing preservation, as well as exoscope-and endoscope-assisted tumor removal via retrolabyrinthine or middle cranial fossa approaches.In this presentation, we will introduce and discuss our tips for hearing preservation.
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Hakuba et al. (2026) studied this question.
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