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<p>During phonation, the mid-membranous area of the true vocal folds is the most stressed area, which frequently results in the formation of benign lesions, especially owing to vocal abuse. Voice therapy has become an essential treatment approach for various types of lesions. This study sought to determine the effect of voice therapy in the treatment of various benign vocal fold lesions. A cohort study of 160 benign vocal fold lesions was carried out over an 18&#xa0;month period. Participants were evaluated using 90&#xa0;degree rigid laryngoscopy, filled out the VHI-30 questionnaire, and had their mean frequency, jitter, and shimmer quantified with PRAAT software. After four voice therapy sessions spread out over two weeks, both voice parameters and lesion status were reviewed. Among the 160 patients studied, vocal fold nodules were the most common lesion, observed in 81 cases (50.6%). Voice abuse was identified as the leading risk factor, present in all 100 cases. Post-voice therapy, a statistically significant improvement in the VHI total score was noted in patients with vocal fold nodules, Reinke’s edema and sulcus vocalis. All acoustic parameters showed significant improvement in the vocal fold nodule group. In cases of sulcus vocalis, significant changes were observed in mean frequency among females, as well as in jitter and shimmer values. For Reinke’s edema, mean frequency showed significant improvement in both males and females. However, in patients with vocal fold polyp and cyst, mean pitch values in both males and females did not show statistically significant changes before and after therapy. The most common type of benign vocal fold lesions was vocal fold nodule which demonstrated excellent response to voice therapy. Other lesion types showed partial regression in size and notable improvement in specific acoustic parameters. There was a female predominance among patients, with voice abuse identified as the primary risk factor.</p>

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Effect of Voice Therapy on Benign Vocal Fold Lesions

  • 期刊论文

  • 发表日期：

    2026年1月3日

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  • Shafinaz Muhammed Shafi,
  • Andrews Chakramakal Joseph,
  • Arun Pulakkil

摘要

During phonation, the mid-membranous area of the true vocal folds is the most stressed area, which frequently results in the formation of benign lesions, especially owing to vocal abuse. Voice therapy has become an essential treatment approach for various types of lesions. This study sought to determine the effect of voice therapy in the treatment of various benign vocal fold lesions. A cohort study of 160 benign vocal fold lesions was carried out over an 18 month period. Participants were evaluated using 90 degree rigid laryngoscopy, filled out the VHI-30 questionnaire, and had their mean frequency, jitter, and shimmer quantified with PRAAT software. After four voice therapy sessions spread out over two weeks, both voice parameters and lesion status were reviewed. Among the 160 patients studied, vocal fold nodules were the most common lesion, observed in 81 cases (50.6%). Voice abuse was identified as the leading risk factor, present in all 100 cases. Post-voice therapy, a statistically significant improvement in the VHI total score was noted in patients with vocal fold nodules, Reinke’s edema and sulcus vocalis. All acoustic parameters showed significant improvement in the vocal fold nodule group. In cases of sulcus vocalis, significant changes were observed in mean frequency among females, as well as in jitter and shimmer values. For Reinke’s edema, mean frequency showed significant improvement in both males and females. However, in patients with vocal fold polyp and cyst, mean pitch values in both males and females did not show statistically significant changes before and after therapy. The most common type of benign vocal fold lesions was vocal fold nodule which demonstrated excellent response to voice therapy. Other lesion types showed partial regression in size and notable improvement in specific acoustic parameters. There was a female predominance among patients, with voice abuse identified as the primary risk factor.