Inflammatory complications of vocal fold injection with hyaluronic acid: a multiinstitutional study.

Background/aim: This study aimed to assess the inflammatory adverse reactions of vocal fold injection laryngoplasty with hyaluronic acid.

Materials And Methods: This study was a retrospective chart review of patients who underwent vocal fold injection augmentation with HA injection from January 2005 to September 2016 in nine different institutions. Demographic data, indication for injection, injection techniques, types of injection material, settings of procedure, and complications were reviewed.

Life-threatening upper airway obstruction due to isolated hypermobile tongue.

Isolated hypermobile tongue is extremely rare. We present a case of isolated hypermobile tongue that caused several life-threatening airway obstructions during sleep. The tongue could reach to the nasopharynx and clear and moisten the nasopharynx by its movement.