Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics (대한후두음성언어의학회지)

The Korean Society of Laryngology, Phoniatrics and Logopedics. (대한후두음성언어의학회)
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The Effect of Voice Therapy in Unilateral Vocal Fold Paralysis

일측성 성대마비 환자의 음성치료 효과

  • Lee, Chang-Yoon (Department of Otorhinolaryngology, Dongnam Institute Of Radiological & Medical Sciences) ;
  • An, Soo-Youn (Department of Otorhinolaryngology, Dongnam Institute Of Radiological & Medical Sciences) ;
  • Chang, Hyun (Department of Otorhinolaryngology, Dongnam Institute Of Radiological & Medical Sciences) ;
  • Son, Hee Young (Department of Otorhinolaryngology, Dongnam Institute Of Radiological & Medical Sciences)
  • 이창윤 (동남권원자력의학원 이비인후과) ;
  • 안수연 (동남권원자력의학원 이비인후과) ;
  • 장현 (동남권원자력의학원 이비인후과) ;
  • 손희영 (동남권원자력의학원 이비인후과)
  • Received : 2016.04.26
  • Accepted : 2016.05.01
  • Published : 2016.06.30
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Abstract

Background and Objectives : This study aims to conduct post-voice therapy to patients with unilateral vocal fold paralysis for vocal improvement, motility recovery and analyze the results. Materials and Methods : Voice therapy was conducted to 13 patients who had shown response to voice therapy amongst 98 patients diagnosed with unilateral vocal fold paralysis. In order to be able compare before and after perceptual, acoustic and aerodynamic evaluations were conducted after voice therapy. Also, by using dysphagia checklist, we have verified whether if the patient had dysphagia prior to voice therapy. The therapy was conducted by improving the larynx movement and glottal contact, whilst removing hypertension of the supraglottic. Results : All 13 patients who underwent voice therapy had shown improvements that are statistically significant from 4 scales excluding the S scale from auditory perception evaluation (p<0.05), with enhanced glottal contact. In acoustic evaluation, Jitter, Shimmer and NHR had shown significant improvement after voice therapy. MPT was also notably improved among aerodynamical evaluation (p<0.001). All 11 patients had with dysphagia prior to voice therapy reported to have improved swallowing functions. Conclusion : Application of adequate voice therapy to patients with unilateral vocal fold paralysis, is an effective method that might be employed in the initial phase. Especially, the voice therapy proposed in this study is expected to be useful for patients in hypertension status due to secondary compensation after initial paralysis, since it focuses on improving vocal symptoms in a calm state with the supraglottis sufficiently relaxed. Also, the therapy is expected to be effective for improving swallowing functions.

Keywords

References

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