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The voice outcome of RL-VFI was evaluated prior to and 4 weeks following the procedure. Voice evaluation methods included Voice Handicap Index-10 (VHI-10), perceptual evaluation (GRBAS [grade, roughness, breathiness, asthenia, and strain] scale), acoustic analysis, and aerodynamic study. Pre- and postoperative voice data were analyzed for acoustic analysis and aerodynamic study using the Computerized Speech Lab and the Phonatory Aerodynamic System (Model 4500 and Model 6600, Pentax Medical).
Copyright and License information: ©2022 by Korean Society of Otorhinolaryngology-Head and Neck Surgery
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