Changes of Voice Handicap Index (VHI) in Patients Who Underwent Phonosurgical Treatments

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  • Takahashi Asahi
    Department of Rehabilitation, Kochi Medical School Hospital
  • Nishikubo Kaori
    Department of Otolaryngology, Takanoko Hospital
  • Doi Nao
    Department of Rehabilitation, Kochi Medical School Hospital
  • Iwamura Kenji
    Department of Rehabilitation, Faculty of Health Science, Kumamoto Health Science University
  • Nakahira Maya
    Department of Rehabilitation, Kochi Medical School Hospital
  • Hyodo Masamitsu
    Department of Rehabilitation, Kochi Medical School Hospital Department of Otolaryngology, Kochi Medical School

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  • 音声外科手術例におけるVoice Handicap Index（VHI）の変化

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In this study, we evaluated pre- and postoperative VHI scores in 39 patients who underwent phonosurgical treatments for voice disorders in Kochi Medical School Hospital. The patients consisted of 23 males and 16 females, and their mean age was 61.5 years old. The causes of voice disorders were unilateral recurrent laryngeal nerve paralysis in 13 cases, vocal polyp in 10, vocal nodule in 4, vocal cyst in 3, and others in 9. The surgical procedures were laryngeal microsurgery in 20 cases, laryngeal framework surgery in 12, and others in 7. <br>VHI scores in all cases significantly improved from a preoperative average of 49.8 to a postoperative average of 31.3. VHI scores and objective phonatory parameters improved postoperatively in both the laryngeal framework (i.e., unilateral recurrent laryngeal nerve paralysis) and laryngeal microsurgery (i.e., non-neoplastic mass lesion of the vocal fold) groups. VHI improvement was sustained from 1 to 12 months after the surgeries. VHI and objective phonatory parameters showed significant correlations preoperatively and 1 month postoperatively; however, correlations were insignificant at 3 months and thereafter. We speculate that varied social backgrounds or voice hygiene compliance after the surgeries explain these results. Consequently, long-term follow-up with both objective and subjective assessments of phonatory function is necessary in patients who undergo phonosurgeries.

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