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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.

    Causes

    Injury to the laryngeal nerves is uncommon.

    It it does occur, itcan befrom:

    • A complication of neck or chest surgery (especially thyroid, lung, heart surgery, or cervical spine surgery)
    • A breathing tube in the windpipe (endotracheal tube)
    • A viral infection that affects the nerves
    • Tumors in the neck or upper chest, such as thyroid or lung cancer

    Symptoms

    • Difficulty speaking
    • Difficulty swallowing
    • Hoarseness

    Injury to the left and right laryngeal nerves at the same time can be an urgent situation that can lead to difficulty breathing.

    Exams and Tests

    The doctor willcheck ifyour vocal cords move abnormally. Abnormal movement may mean that a laryngeal nerve is injured.

    Tests may include:

    • Bronchoscopy
    • CT scan of the chest
    • Laryngoscopy
    • MRI of the brain, neck, and chest
    • X-ray

    Treatment

    Treatment depends on the cause of the injury. In some instances, 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:

    • Arytenoid adduction (stitches to move the vocal cord toward the middle of the airway)
    • Injections of collagen, Gelfoam, or another substance
    • Thyroplasty

    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 health care provider if you have:

    • Difficulty breathing (call right away)
    • Unexplained hoarseness that lasts for more than 3 weeks

    References

    Lai SY, Mandel SJ, Weber RS. Management of thyroid neoplasms. In: Cummings CW, Flint PW, Haughey BH, et al., eds. Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, PA: Elsevier Mosby; 2010:chap 124.

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    • Nerves of the larynx

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    • Laryngeal nerve damage

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      • Nerves of the larynx

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      • Laryngeal nerve damage

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            Tests for Laryngeal nerve damage

              Review Date: 11/9/2012

              Reviewed By: Seth Schwartz, MD, MPH, Otolaryngologist, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.

              The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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              St. Luke's Hospital - 232 South Woods Mill Road - Chesterfield, MO 63017 Main Number: 314-434-1500 Emergency Dept: 314-205-6990 Patient Billing: 888-924-9200
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