Value of Intraoperative Monitoring of the Trigeminal Nerve in Detection of a Superiorly Displaced Facial Nerve During Surgery for Large Vestibular Schwannomas
Abstract:ObjectiveTo investigate the role of trigeminal and facial nerve monitoring in the early identification of a superiorly displaced facial nerve.Patients and MethodsThis prospective study included 24 patients operated for removal of large vestibular schwannomas (VS). Electromyographic (EMG) events recorded after mapping the superior surface of the tumor were evaluated by analyzing the latencies of the responses from the masseter and facial nerve innervated muscles.ResultsThe latency of the recorded compound muscl… Show more
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