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Does intraoperative nerve monitoring reliably aid in staging of total thyroidectomies?
Author(s) -
Fontenot Tatyana E.,
Randolph Gregory W.,
Setton Tedhar E.,
Alsaleh Nuha,
Kandil Emad
Publication year - 2015
Publication title -
the laryngoscope
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.181
H-Index - 148
eISSN - 1531-4995
pISSN - 0023-852X
DOI - 10.1002/lary.25133
Subject(s) - medicine , surgery , recurrent laryngeal nerve , dissection (medical) , thyroid , laryngoscopy , thyroidectomy , anesthesia , intubation
Objectives/Hypothesis Demonstrate whether intraoperative nerve monitoring is an effective tool in staging bilateral thyroid and neck surgeries in cases of intraoperative injury to the recurrent laryngeal nerve on the side of initial dissection. We hypothesized that IONM provides reliable and appropriate feedback on the functional status of the RLN on side of initial dissection during total thyroidectomy and central neck surgery. Study Design Case series with planned data collection. Methods All patients receiving total thyroidectomies or central neck surgeries were reviewed. The outcomes of patients treated whose procedures were staged based on intraoperative nerve monitoring are described. Results Ten (4.9%) of 206 procedures were staged based on unfavorable signal change including six patients with thyroid cancers and four with compressive substernal goiters. The overall signal drop in the 10 patients with unfavorable signal change was 63%. Three patients had complete loss of signal. In the other seven patients, the signal dropped by a mean of 48%. In the eight patients with laryngoscopy‐proven vocal fold paresis, the signal dropped by a mean of 68%. Conclusions Intraoperative nerve monitoring results accurately indicated postoperative ipsilateral vocal cord dysfunction with high reliability. Intraoperative nerve monitoring is a reliable tool in staging thyroid surgery. Level of Evidence 4. Laryngoscope , 125:2232–2235, 2015