Abstract:Objective To explore the relation of recurrent laryngeal nerve damage with the mode of surgery and exposure of the nerve in thyroidectomies.
Methods We retrospectively reviewed the clinical data of 2142 thyroidectomy patients. There were 540 unilateral and 1602 bilateral procedures with 3744 nerves at risk of injury. Among them, 1986 nerves Results The overall incidence of recurrent laryngeal nerve injury was 0.93%(20/2142), and with an incidence of 0.37%（8/2142）for permanent damage. The injury incidence in the nerves exposure and nonexposure groups was 0.30% and 0.80%, respectively, the difference was significant between the two groups(P<0.05). The injury rate of nerves at risk for partial lobectomy, subtotal lobectomy, lobectomy and lobectomy plus ipsolateral neck dissection was increased in that order, and the incidence was higher in nonexposure group than in exposure group, but with no statistical significance(P>0.05).
Conclusions The occurrence of recurrent laryngel nerve injury can be reduced or avoided by its careful exposure and identification during thyroid operation.