Treatment effectiveness for aging changes in the larynx
injection augmentation; Presbylarynges; presbyphonia; thyroplasty
© 2017 The American Laryngological, Rhinological and Otological Society, Inc. Objectives: To compare the effectiveness of injection augmentation and bilateral thyroplasty surgery in managing age-related changes of the larynx. Study Design: Retrospective chart review of patients treated with bilateral thyroplasty and/or injection augmentation. Methods: We evaluated 22 patients before and after treatment using: 1) normalized glottal gap area and normalized true vocal fold width from endoscopic images; 2) patient self-rating questionnaires; and 3) acoustic and aerodynamic measures. Results: Thyroplasty surgery resulted in 38% of patients demonstrating less bowing compared to 33% after injection, and 63% demonstrated less supraglottic activity compared to 43% after injection (P = 0.09). Change in mean Voice-Related Quality of Life (V-RQOL) scores was 25.5 after thyroplasty compared to −16.4 after injection (P < 0.05). Those exhibiting a greater than 20 change in V-RQOL after treatment were significantly more likely to report swallowing symptoms pretreatment. Conclusion: Patients postinjection did not rate themselves on any questionnaires as significantly better compared to pretreatment, whereas patients post-thyroplasty rated themselves as significantly improved on all questionnaires. Patients post-thyroplasty rated their voices as significantly closer to their best voice than patients postinjection. Likewise, 64% of patients who had thyroplasty surgery reported a significant treatment effect compared to 33% for injection augmentation. Level of Evidence: 4. Laryngoscope, 127:2572–2577, 2017.
Sachs, A., Bielamowicz, S., & Stager, S. (2017). Treatment effectiveness for aging changes in the larynx. Laryngoscope, 127 (11). http://dx.doi.org/10.1002/lary.26706