When vocal cords cannot close completely, it is called vocal cord dysfunction, glottic insufficiency, or vocal fold insufficiency. Vocal fold insufficiency may be overlooked in a preliminary clinical evaluation1 in a patient with early or subtle vocal fold weakness where both vocal folds may appear mobile.
Vocal fold insufficiency is a common contributing factor in patients who present with dysphonia.1 A thorough exam, including visualization of the larynx, is essential to diagnose dysphonia caused by vocal fold insufficiency, especially in early stages.
Specific types of vocal fold insufficiency include1,2:
*PROLARN GEL and PROLARYN PLUS are not indicated for paralysis of both vocal folds.