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Identification and Protection of the Recurrent Laryngeal Nerve during Transoral Robotic Thyroidectomy

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Early postoperative vocal function evaluation after thyroidectomy using thyroidectomy related voice questionnaire.

Byung-Joon Chun¹, Ja-Sung Bae, Byung-Joo Chae

¹Department of Otolaryngology-Head and Neck Surgery, College of Medicine, 505 Banpodong Seochogu Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, 137-040, Korea.

World Journal of Surgery

|June 9, 2012

Summary

A simple questionnaire can effectively screen for postoperative vocal cord palsy and lower-pitched voice after thyroidectomy. Early voice evaluation is crucial, especially for patients without pre-existing laryngeal conditions.

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Area of Science:

Otolaryngology
Thyroid Surgery
Voice Science

Background:

Thyroidectomy can lead to voice changes, including vocal cord palsy and altered pitch.
Pre-existing laryngeal conditions may influence post-thyroidectomy voice outcomes.

Purpose of the Study:

To evaluate a screening method for detecting postoperative vocal cord palsy and lower-pitched voice.
To assess the impact of pre-thyroidectomy laryngeal disorders on post-thyroidectomy voice changes using a subjective questionnaire.

Main Methods:

Examined 300 patients undergoing thyroidectomy.
Utilized laryngoscopic examination, the thyroidectomy-related voice questionnaire (TVQ), and acoustic/perceptual voice analyses preoperatively and 2 weeks postoperatively.

Main Results:

Postoperatively, 10.3% had vocal cord palsy and 18% had lower-pitched voices.
The TVQ identified 91.6% of patients as having abnormal voice quality.
TVQ scores effectively correlated with vocal cord palsy and lower-pitched voice severity, with optimal cutoff values identified.

Conclusions:

A significant percentage of patients experience voice changes post-thyroidectomy, detectable by a simple questionnaire.
Early postoperative voice assessment is essential for identifying and managing these changes.
Patients without pre-existing laryngeal disorders may be more susceptible to voice symptoms after thyroidectomy.