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  • Title: Patient-defined duration of benefit from juvederm (hyaluronic acid) used in injection laryngoplasty.
    Author: Bertroche JT, Radder M, Kallogjeri D, Paniello RC, Bradley JP.
    Journal: Laryngoscope; 2019 Dec; 129(12):2744-2747. PubMed ID: 30698821.
    Abstract:
    OBJECTIVES/HYPOTHESIS: Injection laryngoplasty has become valuable in treating laryngologic disorders including vocal cord atrophy, paralysis, and paresis. Although materials such as carboxymethylcellulose and calcium hydroxylapatite are Food and Drug Administration (FDA) approved, they are not without limitations. Juvederm (hyaluronic acid) is an alternative treatment that is not FDA approved. Although studies have examined Juvederm's longevity in cutaneous injections, there are limited data examining durability of Juvederm used in laryngoplasty. We aimed to determine the longevity and effectiveness of Juvederm used in injection laryngoplasty. STUDY DESIGN: Retrospective cohort study. METHODS: Subjects who underwent injection laryngoplasty using Juvederm were reviewed. Longevity was defined as the time between injection and the date that a patient first noted subjective deterioration of their voice. All subjects were subsequently followed using videostroboscopy to evaluate for Juvederm resorption. Longevity was analyzed using a Kaplan-Meier survival model, and effectiveness of laryngoplasty was determined using the Voice-Related Quality of Life index scores and analyzed using a Wilcoxon signed ranks test. RESULTS: Fifty-nine subjects met inclusion criteria and underwent Juvederm injection laryngoplasty. Kaplan-Meier survival analysis revealed a mean longevity of 10.6 months (95% confidence interval: 9.1-12.0 months). Wilcoxon signed ranks analysis of the pre- and postinjection Voice Related Quality of Life (VRQOL) scores revealed improvement, with a mean preinjection VRQOL of 49.2 (standard deviation [SD] = 25.8) and mean postinjection VRQOL of 68.2 (SD = 27.5) (P < .001). CONCLUSIONS: Injection laryngoplasty using Juvederm is an effective treatment for vocal cord atrophy, paralysis, and paresis. Knowledge of the patient-defined duration of benefit following laryngoplasty using Juvederm plays an important role in counseling patients as well as in the planning of future interventions. LEVEL OF EVIDENCE: 4 Laryngoscope, 129:2744-2747, 2019.
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