성대 폴립 환자에 대한 후두미세수술과 음성 치료의 전, 후 결과 비교

Background and Objectives The aim of this study is to compare the acoustic and auditory-perceptual assessment of patients with vocal fold polyps (VP) before and after laryngeal microsurgery (LMS) and voice therapy (VT).Materials and Method A retrospective cohort design was employed. Sustained vowels and continuous speech samples produced by 36 patients diagnosed with VP were analyzed. Treatment outcome measures included, cepstral peak prominence (CPP), smoothed cepstral peak prominence (CPPS), acoustic voice quality index (AVQI), acoustic breathiness index (ABI), auditory-perceptual (A-P) ratings (G of GRBAS scale and overall severity [OS] of consensus auditory-perceptual evaluation of voice), and voice handicap index-10 (VHI-10).Results Following LMS and VT, significant improvements in CPP, CPPS, AVQI, ABI (p