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Use of a single bipolar electrode in the posterior arytenoid muscles for bilateral monitoring of the recurrent laryngeal nerves in thyroid surgery

Haerle, Stephan ; Sidler, D. ; Linder, Th ; Mueller, W.

In: European Archives of Oto-Rhino-Laryngology, 2008, vol. 265, no. 12, p. 1549-1552

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    Titel
    • Use of a single bipolar electrode in the posterior arytenoid muscles for bilateral monitoring of the recurrent laryngeal nerves in thyroid surgery
    Autor
    • Haerle, Stephan. Department of Otolaryngology, Head and Neck Surgery, University Hospital Zurich, Frauenklinikstrasse 24, 8091, Zurich, Switzerland
    • Sidler, D.. Department of Otolaryngology, Head and Neck Surgery, Kantonsspital Luzern, 6000, Luzern 16, Switzerland
    • Linder, Th. Department of Otolaryngology, Head and Neck Surgery, Kantonsspital Luzern, 6000, Luzern 16, Switzerland
    • Mueller, W.. Department of Otolaryngology, Head and Neck Surgery, Kantonsspital Luzern, 6000, Luzern 16, Switzerland
    Dokumententyp
    • Postprint
    Sprache
    • Englisch
    Veröffentlicht in
    • European Archives of Oto-Rhino-Laryngology, 2008, vol. 265, no. 12, p. 1549-1552. Springer-Verlag
    Andere elektronische Ausgabe
    OAI-PMH-ID
    • oai:doc.rero.ch:319148
    Summary
    The aims were to assess the technical feasibility of using a single electrode in the posterior arytenoid muscles (PAM) for intraoperative monitoring of the recurrent laryngeal nerve (RLN) in thyroid surgery, to validate the new method against the insertion of electrodes placed in the vocal cord muscle, and to report the results of the clinical application of the new concept. A total of 52 patients were enrolled. The handling and safety of RLN monitoring was tested by simultaneous registration of the EMG response from vocal fold electrodes and PAM electrodes. Acoustically and electromyographically we found nearly the same values for the arytenoid muscles as for the vocal folds, although the signals taken from the vocal folds were slightly stronger. PAM recording using a single bipolar electrode is technically feasible and as reliable compared to the standard vocal cord monitoring