Displacement of the Recurrent Laryngeal Nerve in Patients with Recurrent Goiter Undergoing Redo Thyroid Surgery

Table 3

Cervical course of recurrent laryngeal nerves and mean wave amplitude levels.

Redo surgery	Patients	RLNs	RLNs (number)	RLNs adherent to lateral surface of thyroid remnant	IONM	Mean wave amplitude
TT	12	Right RLN; Left RLN	38; 23	11 (28.9%); 5 (21.7%)	R1; R2	882.7 (263–1989) μV; 1064.3 (318–2064) μV
RH	26
LH	11
Total	49		61	16 (26.2%)

TT: total thyroidectomy; RH: right hemithyroidectomy; LH: left hemithyroidectomy.