Effect of Wendler Glottoplasty on Acoustic Measures of Voice

OBJECTIVES Voice therapy has been the primary treatment for voice feminization in transfemale patients due to concerns that surgery worsens voice quality. We aim to determine the impact of Wendler glottoplasty on acoustic measures of voice. STUDY DESIGN Retrospective case series. METHODS Transgender female patients treated for vocal feminization with Wendler glottoplasty at a single tertiary care center were identified. Pre- and postoperative measures were taken with the Kay Elemetrics Real-Time Pitch, Analysis of Dysphonia in Speech and Voice, and Multidimensional Voice Program. RESULTS Twenty-eight patients were included in this study. There were no statistically significant changes in fundamental frequency variation, peak amplitude variation, soft phonation index, noise-to-harmonics ratio, cepstral peak prominence, or cepstral spectral index of dysphonia at a significance level of P