Laryngoscope investigative otolaryngology · 2026
Efficacy of a Quantitative Intra-Operative Facial Nerve Continuous Monitoring System for Functional Preservation Following Intratemporal Facial Nerve Schwannoma Resection.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Ошибки и ограничения
История · было → стало
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Hosoya Makoto, Shimanuki Marie N, Ueno Masafumi, Suda Satoshi, Wakabayashi Takeshi, Nishiyama Takanori, Ozawa Hiroyuki, Oishi Naoki
Аннотация
OBJECTIVE: Preservation of the facial nerve is critical in surgery for facial nerve schwannoma. Intra-operative monitoring systems typically assess facial nerve function by delivering intermittent electrical stimulation through electrodes; however, this approach cannot effectively achieve continuous stimulation and quantitative assessment. This study aimed to assess the efficacy of a quantitative intra-operative facial nerve continuous monitoring system for preserving post-operative facial nerve function.
METHODS: Ten patients who underwent continuous nerve monitoring using this system during surgery for facial nerve schwannoma were included. Clinical data, electrode placement sites, and pre- and postoperative facial nerve function assessed using the House-Brackmann grading system were retrospectively analyzed. In patients with conductive hearing loss, postoperative hearing outcomes were also analyzed.
RESULTS: Facial nerve function was preserved in all patients, except for one patient who experienced transient postoperative functional deterioration. In several cases, conductive hearing loss improved following schwannoma resection.
CONCLUSION: Continuous and quantitative monitoring of facial nerve function is a reliable intraoperative evaluation that may help prevent unexpected facial nerve injury. This system represents a valuable tool for application in facial nerve schwannoma surgeries.
LEVEL OF EVIDENCE: Level 4.
METHODS: Ten patients who underwent continuous nerve monitoring using this system during surgery for facial nerve schwannoma were included. Clinical data, electrode placement sites, and pre- and postoperative facial nerve function assessed using the House-Brackmann grading system were retrospectively analyzed. In patients with conductive hearing loss, postoperative hearing outcomes were also analyzed.
RESULTS: Facial nerve function was preserved in all patients, except for one patient who experienced transient postoperative functional deterioration. In several cases, conductive hearing loss improved following schwannoma resection.
CONCLUSION: Continuous and quantitative monitoring of facial nerve function is a reliable intraoperative evaluation that may help prevent unexpected facial nerve injury. This system represents a valuable tool for application in facial nerve schwannoma surgeries.
LEVEL OF EVIDENCE: Level 4.