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KMID : 1202020100030010008
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Journal of Korean Thyroid Association
2010 Volume.3 No. 1 p.8 ~ p.14
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Diagnosis and Management of Voice Change after Thyroid Surgery
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Choi Seung-Ho
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Abstract
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Voice change is a devastating symptom that lowers patients’ quality of life significantly. After thyroid surgery, voice change occurs very frequently, in more than 30% of cases. In addition to injury to the recurrent laryngeal nerve or the external branch of superior laryngeal nerve, vocal cord edema due to excessive tracheal traction or disrupted laryngeal venous drainage, and laryngotracheal fixation following injury to extralaryngeal musculature can cause post-thyroidectomy voice change. Although complete recovery can be expected mostly in 3 months, dysphonic patients should be evaluated by laryngoscopy or videostroboscopy. The present review discusses the evaluation of voice change, and the diagnosis and treatment of representative cause of voice change after thyroid surgery, paralysis of the recurrent laryngeal nerve and the external branch of superior laryngeal nerve.
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KEYWORD
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Thyroidectomy, Complication, Voice
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