Laryngoplasty with hyaluronic acid in patients with unilateral vocal fold paralysis
Abstract
Augmentation of vocal fold with hyaluronic acid (Restylane; Q-Med AB, Uppsala, Sweden) is used as a therapeutic option for insufficient glottic closure in unilateral vocal fold paralysis (UVP). Analysis of the optimal glottic width, effectiveness (long-term voice improvement as a consequence of longevity of Restylane), and safety of this new method was made. In a prospective clinical cohort study, 19 consecutive patients with UVP who received vocal fold augmentation with hyaluronic acid (Restylane) were examined preoperatively; 6 weeks, 6, and 12 months postoperatively by laryngostroboscopy; and their voice was evaluated by subjective, objective, and self-assessment (Voice Handicap Index). In 11 of 19 (58%) patients, a subjectively and objectively acceptable voice quality was observed in a follow-up of 12 months. Eight of 19 (42%) patients had a considerable impairment of the voice after 6 weeks (range: 1-24 weeks). Therefore, another intervention (eg, injection laryngoplasty or thyroplasty) was recommended. An impairment of voice was mainly observed if the preoperative glottal gap during phonation was more than 1 mm. A long duration (up to 12 months) of acceptable quality of voice was achieved by augmentation with Restylane, i...Continue Reading
References
Granulomatous foreign body reaction against hyaluronic acid: report of a case after lip augmentation
Citations
Isolated Recovery of Adductor Muscle Function Following Bilateral Recurrent Laryngeal Nerve Injuries
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