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Vocal cord paresis, also known as recurrent laryngeal nerve paralysis or vocal fold paralysis, is an injury to one or both recurrent laryngeal nerves (RLNs), which control all intrinsic muscles of the larynx except for the cricothyroid muscle. The RLN is important for speaking, breathing and swallowing.
Damage to these nerves results in vocal cord paralysis - the reduced mobility and inability to adduct one or both vocal cords. Many cases of vocal cord paralysis result from trauma during surgery. [2] Symptoms include hoarseness of voice, difficulty projecting, difficulty swallowing, and throat pain. [citation needed]
Unilateral vocal cord paralysis where one vocal cord out of the two is paralysed. Symptomatic glottic insufficiency (dysphonia, aspiration) which leads to incomplete glottic closure which in turn results in failure to produce proper sound. Age-related vocal fold atrophy leading to glottic insufficiency. [4]
The recurrent laryngeal nerves supply sensation to the larynx below the vocal cords, give cardiac branches to the deep cardiac plexus, and branch to the trachea, esophagus and the inferior constrictor muscles. The posterior cricoarytenoid muscles, the only muscles that can open the vocal folds, are innervated by this nerve.
A superior laryngeal nerve palsy changes the pitch of the voice and causes an inability to make explosive sounds due to paralysis of the cricothyroid muscle. If no recovery is evident three months after the palsy initially presents, the damage is most likely to be permanent. A bilateral palsy presents as a tiring and hoarse voice.
When the vocal cords come apart, the voice sounds breathy. At any time, the voice can go from a soft, breathy whisper to a strained hoarse sound, shaking or even breaking, as certain sounds are ...
Tucker syndrome, also known as Ptosis-vocal cord paralysis syndrome, is a very rare genetic disorder which is characterized by congenital bilateral ptosis and (also congenital and bilateral) recurrent laryngeal nerve paresis. [1] [2] [3] Additional findings include short stature. [4] It was described in a small 2-generation family (a man and ...
The vocal cord paralysis left her unable to speak louder than a whisper and “I felt trapped in my own body.” “There were days when I grieved and sobbed,” Williams-Paisley said about the ...