Recurrent laryngeal nerve monitoring during thyroidectomy and related cervical procedures in the pediatric population.

OBJECTIVES: To gather data on, and assess the applicability of, intraoperative recurrent laryngeal nerve (RLN) monitoring during thyroidectomy and related cervical procedures in children and adolescents. Recurrent laryngeal nerve trauma is one of the most serious complications of surgery in the anterior neck compartment. Numerous studies have demonstrated the utility of intraoperative monitoring of the RLN in adult thyroid surgery to prevent such injury. Although the risk of RLN injury is reportedly higher in the pediatric population, little data exist regarding the use of intraoperative RLN monitoring in children and adolescents.
DESIGN: Retrospective case series review.
SETTING: A pediatric otolaryngology practice in a tertiary care hospital. PATIENTS: Five patients undergoing surgical excision of thyroid neoplasms or branchial pouch anomalies.
INTERVENTIONS: During surgical excision, intraoperative RLN monitoring was performed with use of the Xomed NIM II monitor and Xomed RLN monitoring endotracheal tube, which allow for both passive and stimulation-evoked electromyographic monitoring of the thyroarytenoid muscle. MAIN OUTCOME MEASURES: True vocal fold mobility as assessed by postoperative flexible laryngoscopy.
RESULTS: Intraoperative RLN monitoring was performed successfully for up to 4 hours. Such monitoring facilitated the identification of the RLN and was predictive of the subsequent presence or absence of postoperative RLN paresis.
CONCLUSIONS: Intraoperative RLN monitoring can be a useful tool during cervical procedures that place the RLN at risk in children and adolescents. As has been demonstrated in adults, it is a safe and reliable technique that can be predictive of and may lessen the risk of RLN morbidity in this younger patient population.