Bilateral Vocal Cord Fixation is the immobility of both vocal cords due to a scarring rather than paralytic cause. The scarring might manifest as a synechia that tethers the vocal cords to each other and prevents them from separating during breathing. Or it could mean that both cricoarytenoid joints are ankylosed, or “frozen.”

The most common cause is prolonged endotracheal intubation, such as in gravely ill or injured persons, who may spend weeks in an intensive care unit and on a ventilator. Vocal cord fixation can rarely be caused by rheumatoid arthritis. It is also seen infrequently as a progressive, late complication of radiation therapy for larynx cancer.

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Bilateral vocal cord fixation (1 of 2)

After bilateral posterior cordotomies, “keyhole” shaped glottis. Size of opening at posterior commissure is exaggerated by the wide-angle lens of the distal-chip video-endoscope.

Voice is still good (2 of 2)

Persistent posterior opening, but musculomembranous cords come into good contact and have not been damaged by either the original endotracheal tube or the posterior cordotomies, and voice is very serviceable.