Recurrent laryngeal nerve paralysis in patients with papillary thyroid carcinomas: evaluation and management of resulting vocal dysfunction
- PMID: 18848696
- DOI: 10.1016/j.amjsurg.2008.04.017
Recurrent laryngeal nerve paralysis in patients with papillary thyroid carcinomas: evaluation and management of resulting vocal dysfunction
Abstract
Background: Recurrent laryngeal nerve paralysis (RLNP) occurs in patients with thyroid malignancy. This study prospectively evaluated vocal function and management outcomes of patients with papillary thyroid carcinomas (PTCs) and RLNP.
Methods: Of 319 PTC patients, 256 underwent total thyroidectomy with or without neck dissection, 42 underwent lobectomy, and 21 underwent reoperation for recurrent cancers. All patients underwent laryngoscopy and vocal function measurements before and after surgery. Patients with RLNP and poor vocal function underwent voice surgery.
Results: Temporary and permanent RLNP rates were 2.8% and .9% at nerve-at-risk-based analysis, respectively. Of 28 patients with tumor invasion of RLN, 14 had preoperative RLNP, with 9 of 14 showing voice changes. RLNP was detected in 9 of 291 (3.1%) patients without documented nerve injury; 8 recovered. Nine of 15 patients with RLN section had poor vocal function, which improved in 8 patients after medialization of the unilateral vocal fold.
Conclusions: Patients with PTC may have vocal dysfunction from cancer or surgery-related RLNP. Vocal evaluation and management may help improve their vocal function, thus enhancing their quality of life.
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