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  • Title: Our experience with facial nerve monitoring in vestibular schwannoma surgery under partial neuromuscular blockade.
    Author: Vega-Céliz J, Amilibia-Cabeza E, Prades-Martí J, Miró-Castillo N, Pérez-Grau M, Pintanel Rius T, Roca-Ribas Serdà F.
    Journal: Acta Otorrinolaringol Esp; 2015; 66(4):192-8. PubMed ID: 25459413.
    Abstract:
    INTRODUCTION AND OBJECTIVES: Facial nerve monitoring is fundamental in the preservation of the facial nerve in vestibular schwannoma surgery. Our objective was to analyse the usefulness of facial nerve monitoring under partial neuromuscular blockade. METHODS: This was a retrospective analysis of 69 patients operated in a tertiary hospital. RESULTS: We monitored 100% of the cases. In 75% of the cases, we could measure an electromyographic response after tumour resection. In 17 cases, there was an absence of electromyographic response. Fifteen of them had an anatomic lesion with loss of continuity of the facial nerve and, in 2 cases, there was a lesion with preservation of the nerve. Preoperative facial palsy (29% 7%; P=.0349), large tumour size (88 vs. 38%; P=.0276), and a non-functional audition (88 vs. 51%; P=.0276) were significantly related with an absence of electromyographic response. CONCLUSIONS: Facial nerve monitoring under neuromuscular blockade is possible and safe in patients without previous facial palsy. If the patient had an electromyographic response after tumour excision, they developed better facial function in the postoperative period and after a year of follow up.
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