Dynamics of loss and recovery of the nerve monitoring signal during thyroidectomy predict early postoperative vocal fold function

Head & Neck
R SchneiderH Dralle

Abstract

The characteristics of segmental type 1 and global type 2 injuries to the recurrent laryngeal nerve (RLN) and the extent and dynamics of nerve recovery are poorly understood. This investigation of 785 patients who underwent thyroidectomy under continuous intraoperative nerve monitoring aimed at exploring the dynamics of loss and recovery of the nerve monitoring signal and its relationship to early postoperative vocal fold palsy. Persistent complete loss of signal and signal recovery <50% identified all (based on 12 and 4 patients with type 1 injuries) or most (based on 9 of 12 and 4 of 6 patients with global type 2 injuries) early unilateral vocal fold palsies. Signal recovery ≥50% (based on 7 patients) always signified normal vocal fold function. These data, including the observation that global type 2 injuries may entail less severe nerve injury, require validation in independent series before being adopted more widely. © 2015 Wiley Periodicals, Inc. Head Neck 38: E1144-E1151, 2016.

References

Feb 29, 2008·World Journal of Surgery·H DralleUNKNOWN German IONM Study Group
Dec 17, 2009·Langenbeck's Archives of Surgery·Gianlorenzo DionigiRenzo Dionigi
Mar 11, 2010·Langenbeck's Archives of Surgery·Henning Dralle, A Machens
Apr 3, 2010·American Journal of Surgery·Rick SchneiderSteffen Leinung
Mar 18, 2011·Head & Neck·Claudio R CerneaAdriana Sondermann

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Citations

Aug 3, 2019·The Laryngoscope·Geir Olav DahleKatrin Brauckhoff
Sep 26, 2019·World Journal of Surgery·James W TaylorJonathan Serpell
Dec 20, 2019·The Laryngoscope·Catherine F SinclairSedat Ulkatan
Aug 13, 2020·ANZ Journal of Surgery·Alayne MoreiraJonathan W Serpell
Mar 14, 2018·The British Journal of Surgery·R SchneiderH Dralle
Nov 3, 2020·Laryngoscope Investigative Otolaryngology·Erling J SetsåKatrin Brauckhoff
Jul 8, 2021·Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research·Nurcihan AygunMehmet Uludag
Aug 4, 2021·Head & Neck·Dominic KuGregory Randolph

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