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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.
Vocal cord dysfunction (VCD) is a condition affecting the vocal cords. [1] It is characterized by abnormal closure of the vocal folds, which can result in significant difficulties and distress during breathing , particularly during inhalation .
Some lifestyle factors that have been linked with elevated risk of development of contact granulomas include frequent use of the voice, especially when in loud environments, and concurrent use of the voice with alcohol consumption (increasing risk of gastroesophageal reflux symptoms). Contact granuloma may also arise after intubation, and so ...
The nerve receives close attention from surgeons because the nerve is at risk for injury during neck surgery, especially thyroid and parathyroid surgery; as well as esophagectomy. [20] [4] Nerve damage can be assessed by laryngoscopy, during which a stroboscopic light confirms the absence of movement in the affected side of the vocal cords. The ...
Although the exact cause of spasmodic dysphonia is still unknown, epidemiological, genetic, and neurological pathogenic factors have been proposed in recent research. [8] Risk factors include: [9] Being female; Being middle aged; Having a family history of neurological diseases (e.g., tremor, dystonia, meningitis, and other neurological diseases)
In fact, 97 percent of patients diagnosed with Reinke's edema are habitual smokers. Other identified risk factors include overuse of the vocal cords, gastroesophageal reflux, and hypothyroidism. [7] The disease is more often cited in women than in men, because lower voice changes are more noticeable in women. [2] [4] [7]
Voice disorders [1] are medical conditions involving abnormal pitch, loudness or quality of the sound produced by the larynx and thereby affecting speech production. These include:
Due to its low frequency of occurrence, more common causes of hoarseness should be considered when suspecting left recurrent laryngeal nerve palsy (LRLN).. When considering cardiovocal syndrome, the most common historical cause is a dilated left atrium due to mitral stenosis, but other causes, including pulmonary hypertension, [2] thoracic aortic aneurysms, an enlarged pulmonary artery [3] and ...