Bilateral vocal fold paralysis with paramedian position of the vocal chords can result from iatrogenic or traumatic nerve injuries, neurologic disorders and extralaryngeal malignancies and usually causes significant shortness of breath while the voice is only slightly affected. Only about 10% of the affected patients tolerate the narrowed airway caused by bilateral vocal fold paralysis in adduction, so most patients are candidates for a surgical intervention. Today, a range of intraluminal surgical procedures for enlargement of the glottis in bilateral vocal fold paralysis have been described which intend to avoid or supersede tracheostomy and which have replaced time-consuming external approaches to the glottis. This report provides an overview of the most important intraluminal surgical procedures for bilateral vocal fold paralysis in adduction and comments in detail on indications, surgical techniques, advantages and potential complications of the presented procedures for temporary or definitive enlargement of the glottis.
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