Injury to the Recurrent Laryngeal Nerve

Injury to the Recurrent Laryngeal Nerve - Injury to the...

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Injury to the Recurrent Laryngeal Nerve Injuries to the recurrent laryngeal nerve occur in 1% to 2% of thyroid operations when performed by experienced neck surgeons, and at a higher prevalence when thyroidectomy is done by a less experienced surgeon. They occur more commonly when thyroidectomy is done for malignant disease. Sometimes the nerve is purposely sacrificed if it runs into an aggressive thyroid cancer. Nerve injuries can be unilateral or bilateral and temporary or permanent, and they can be deliberate or accidental. Loss of function can be caused by transection, ligation, clamping, traction, or handling of the nerve. Tumor invasion can also involve the nerve. Occasionally, vocal cord impairment occurs as a result of pressure from the balloon of an endotracheal tube as the recurrent nerve enters the larynx. In unilateral recurrent nerve injuries, the voice becomes husky because the vocal cords do not approximate one another. Shortness of breath and aspiration of liquids sometimes occur. Usually, vocal cord function returns within several months; it certainly
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