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GlideScope-assisted nerve integrity monitoring tube placement for intra-operative recurrent laryngeal nerve monitoring

  • S P Kanotra (a1), D B Kuriloff (a1), J Lesser (a2) and F Rest-Flarer (a2)

The proper positioning of the Nerve Integrity Monitoring® endotracheal tube during recurrent laryngeal nerve monitoring is of paramount importance. This article describes our experience with the GlideScope® and explains how it can facilitate the accurate placement of the Nerve Integrity Monitoring endotracheal tube.


Endotracheal intubation with the Nerve Integrity Monitoring endotracheal tube was performed in 250 patients undergoing thyroidectomies using the GlideScope video laryngoscope. The correct positioning of the tube was determined according to impedance values of less than 5 kohm and an impedance imbalance of less than 1 kohm.


Successful intubation was achieved in all cases. The GlideScope aided the correct placement of the Nerve Integrity Monitoring endotracheal tube in the majority of the cases.


The GlideScope provides an excellent means to ensure the correct positioning of the Nerve Integrity Monitoring tube. It allows both the surgeon and the anaesthesiologist to participate in the intubation process and confirm correct placement of the tube, whilst also allowing gentle intubation with improved visibility.

Corresponding author
Address for correspondence: Dr S P Kanotra, 425 West 59th St, 10th Floor, New York, 10019, USA Fax: +01 212 523 6364, E-mail:
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Presented as a poster at the annual meeting of the American Academy of Otolaryngology – Head and Neck Surgery Foundation, 11–14 September 2011, San Francisco, California, USA.

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1Lu, IC, Chu, KS, Tsai, CJ, Wu, CW, Kuo, WR, Chen, HY et al. Optimal depth of NIM EMG endotracheal tube for intraoperative neuromonitoring of the recurrent laryngeal nerve during thyroidectomy. World J Surg 2008;32:1935–9
2Sun, DA, Warriner, CB, Parsons, DG, Klein, R, Umedaly, HS, Moult, M. The GlideScope Video Laryngoscope: randomized clinical trial in 200 patients. Br J Anaesth 2005;94:381–4
3Xue, FS, Zhang, GH, Liu, J, Li, XY, Yang, QY, Xu, YC et al. The clinical assessment of Glidescope in orotracheal intubation under general anesthesia. Minerva Anestesiol 2007;73:451–7
4Randolph, GW, Dralle, H, Abdullah, H, Barczynski, M, Bellantone, R, Brauckhoff, M et al. Electrophysiologic recurrent laryngeal nerve monitoring during thyroid and parathyroid surgery: international standards guideline statement. Laryngoscope 2011; 121 (suppl 1): 116
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The Journal of Laryngology & Otology
  • ISSN: 0022-2151
  • EISSN: 1748-5460
  • URL: /core/journals/journal-of-laryngology-and-otology
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