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. 2021 Oct;131(10):E2669-E2675.
doi: 10.1002/lary.29565. Epub 2021 Apr 21.

Anesthetic Management for Awake Tubeless Suspension Microlaryngoscopy

Jean Selim  1   2 , Charles Maquet  3 , Zoubir Djerada  4 , Emmanuel Besnier  1   2 , Vincent Compère  1 , Frédéric Crampon  3 , Thomas Clavier  1   2 , Jean-Paul Marie  3   5
Affiliations

Anesthetic Management for Awake Tubeless Suspension Microlaryngoscopy

Jean Selim et al. Laryngoscope. 2021 Oct.

Abstract

Objectives/hypothesis: Patients' eligibility for bilateral selective laryngeal reinnervation surgery is evaluated by suspension microlaryngoscopy (SML) examination with laryngeal electromyography (LEMG). Maintaining spontaneous ventilation, with remifentanil sedation/analgesia without endotracheal tube, to allow the patient to phonate with the surgeon during awake, LEMG is a major challenge for the anesthesiologist and the otorhinololaryngologist. The objective of this study was to evaluate the safety and efficacy of a novel anesthesia protocol to manage airway access during awake tubeless SML.

Study design: Retrospective study.

Methods: Anesthesia records of patients undergoing awake SML with LEMG were retrospectively analyzed. Procedures were performed with remifentanil sedation/analgesia with targeted controlled infusion (TCI) in combination with local anesthesia. The main outcome was the failure rate of the anesthesia protocol during the procedure. Secondary outcomes were as follows: rate of apnea requiring ventilation, airway bleeding, regurgitation, hemodynamic data as well as vasopressor use, complications, and surgeon satisfaction with the procedure.

Results: Data were obtained for 39 patients between November 2017 and September 2019, the mean age was 52 years and 29 (74%) were female. All procedures were completed without complications (0% [0-9]). Three patients (8% [1.6-20.8]) had an intraoperative episode of hypoxemia requiring mask reventilation. There was no airway bleeding, no regurgitation, and no hypotensive episode. Three patients (8% [1.6-20.8]) had noninvasive ventilation for respiratory distress after the end of the procedure.

Conclusions: Our results show that awake tubeless SML allowing phonation during LEMG can be realized under sedation and local anesthesia. However, further data are needed concerning the intraoperative and postoperative safety of the procedure.

Level of evidence: 4 Laryngoscope, 131:E2669-E2675, 2021.

Keywords: Airway access; laryngeal electromyogram; laryngeal reinnervation; negative pressure edema; suspension microlaryngoscopy; total intravenous anesthesia.

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References

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