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Effects of Voice Therapy Using Gliding and Humming in Dysphonic Patients With Glottal Gap

활창과 허밍을 이용한 음성치료가 성문틈 환자의 음성 개선에 미치는 효과

  • Jung, Dae-Yong (Department of Otorhinolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine) ;
  • Shim, Mi-Ran (Department of Otorhinolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine) ;
  • Hwang, Yeon-Shin (Department of Otorhinolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine) ;
  • Kim, Geun-Jeon (Department of Otorhinolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine) ;
  • Sun, Dong-Il (Department of Otorhinolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine)
  • 정대용 (가톨릭대학교 의과대학 서울성모병원 이비인후과학교실) ;
  • 심미란 (가톨릭대학교 의과대학 서울성모병원 이비인후과학교실) ;
  • 황연신 (가톨릭대학교 의과대학 서울성모병원 이비인후과학교실) ;
  • 김근전 (가톨릭대학교 의과대학 서울성모병원 이비인후과학교실) ;
  • 선동일 (가톨릭대학교 의과대학 서울성모병원 이비인후과학교실)
  • Received : 2021.03.23
  • Accepted : 2021.07.14
  • Published : 2021.08.31

Abstract

Background and Objectives Therapies have been reported to treat the glottal gap previously. However, these voice therapies showed the limits because many techniques focused only on one among breathing, resonance and phonation. In addition patients often have difficulties visiting hospital frequently. 'Gliding and humming' is vocal training technique that readjusts total vocal patterns such as breathing, resonance and phonation. This technique can be easily applied during short term sessions. The purpose of this study is to evaluate the efficiency of voice therapy with 'gliding and humming' for patients with glottic gap during short-term treatment sessions. Materials and Method Twenty-three patients with glottal gap were selected. Of all patients, 14 patients had sulcus vocalis and 12 patients had muscle tension dysphonia (MTD). Voice therapies were performed 1.9 sessions in average. GRBAS, jitter, shimmer, noise to harmonic ratio, semitone range, closed quotient_vowel and maximum phonation time were compared before and after the therapies. In addition, changes of glottal gap and MTD severity were evaluated. Results Statistically significant improvement was observed. MTD improvement was observed only among the patients with glottal gap improvement. Also sulcus vocalis group showed the statistically significant improvement. Conclusion 'Gliding and humming' was effective to the patients with glottic gap and sulcus vocalis. Also, among patients who have both glottic gap and MTD, the data suggests that voice therapy for glottic gap also makes improvement in MTD.

Keywords

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