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Laryngeal nerve damage

Vocal cord paralysis

Laryngeal nerve damage is injury to one or both of the nerves that are attached to the voice box.

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Nerves of the larynx
Laryngeal nerve damage

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Causes

Injury to the laryngeal nerves is uncommon.

When it does occur, it can be from:

Symptoms

Symptoms include:

Injury to the left and right laryngeal nerves at the same time can cause a breathing problem. This can be an urgent medical problem.

Exams and Tests

The health care provider will check to see how your vocal cords move. Abnormal movement may mean that a laryngeal nerve is injured.

Tests may include:

Treatment

Treatment depends on the cause of the injury. In some cases, no treatment may be needed and the nerve may recover on its own. Voice therapy is useful in some cases.

If surgery is needed, the goal is to change the position of the paralyzed vocal cord to improve the voice. This can be done with:

If both the left and right nerves are damaged, a hole may need to be cut into the windpipe (tracheotomy) right away to allow breathing. This is followed by another surgery at a later date.

Outlook (Prognosis)

The outlook depends on the cause of the injury. In some cases, the nerve rapidly returns to normal. However, sometimes the damage is permanent.

When to Contact a Medical Professional

Call your provider if you have:

Related Information

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References

Dexter EU. Perioperative care of the thoracic surgical patient. In: Sellke FW, del Nido PJ, Swanson SJ, eds. Sabiston and Spencer Surgery of the Chest. 9th ed. Philadelphia, PA: Elsevier; 2016:chap 4.

Nouraei SAR, Sandhu GS. Laryngeal and esophageal trauma. In: Flint PW, Francis HW, Haughey BH, et al, eds. Cummings Otolaryngology: Head and Neck Surgery. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 66.

Woodson G. Pathophysiology of recurrent laryngeal nerve injury. In: Randolph GW, ed. Surgery of the Thyroid and Parathyroid Glands. 3rd ed. Philadelphia, PA: Elsevier; 2021:chap 42.

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Review Date: 12/31/2020  

Reviewed By: Josef Shargorodsky, MD, MPH, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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