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  • Title: Responsiveness of Persian Version of Consensus Auditory Perceptual Evaluation of Voice (CAPE-V), Persian Version of Voice Handicap Index (VHI), and Praat in Vocal Mass Lesions with Muscle Tension Dysphonia.
    Author: Khoramshahi H, Khatoonabadi AR, Khoddami SM, Dabirmoghaddam P, Ansari NN.
    Journal: J Voice; 2018 Nov; 32(6):770.e21-770.e30. PubMed ID: 29029830.
    Abstract:
    OBJECTIVES: This study was aimed at determining the internal and external responsiveness of the Persian version of the Consensus Auditory-Perceptual Evaluation of Voice (called ATSHA), Persian version of the Voice Handicap Index (VHI), and Praat scales among patients with vocal mass lesions and secondary muscle tension dysphonia. STUDY DESIGN: Prospective, within-participant repeated measures. METHOD: Thirty patients with vocal fold nodules, polyps, and cysts related to secondary muscle tension dysphonia participated in the study. The measures of interest and videostroboscopy examination were used before and after treatment. The Global Perceived Effect questionnaire was used to separate those improved (moderately or greatly improved) and stable (slightly improved) patients. RESULTS: The mean standardized response, standardized effect size, and Guyatt analyses indicated high internal responsiveness for the all target parameters of the ATSHA, total score of the VHI, and two parameters of the Praat (0.8<). There was poor correlation between the videostroboscopy and the other target scales (r Pearson = -0.1-0.1). The receiver operating characteristic analysis indicated that all the target scales did not significantly separate those improved and stable subjects (area under the curve = 0), except for the overall severity and roughness parameters of the ATSHA scale (area under the curve = 1). CONCLUSION: This study recommends both the Consensus Auditory-Perceptual Evaluation of Voice and the VHI scales to show voice therapy changes. The target voice scale changes were not able to predict the videostroboscopy changes as external standard. Furthermore, we recommend that the overall severity and roughness may properly classify those improved and stable patients.
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