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

The Korean Society of Laryngology, Phoniatrics and Logopedics. (대한후두음성언어의학회)
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Recent Advances in Examination of Vocal Fold Vibration

성대진동검사의 최신 지견

  • Lee, Jin-Choon (Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Pusan National University) ;
  • Bae, Inho (Department of Speech & Language Pathology, Kosin University)
  • 이진춘 (부산대학교 의과대학 이비인후과학교실) ;
  • 배인호 (고신대학교 언어치료학과)
  • Received : 2020.05.12
  • Accepted : 2020.06.09
  • Published : 2021.04.30
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Abstract

Human vocal cords vibrate as quickly as 100-250 times per second, so it is impossible to observe them with normal endoscopic diagnostic equipment. High-speed videolaryngoscopy (HSV) allows the visualization of non-periodic vibratory motion of vocal fold beyond the limitation of videostroboscopy. New developed post-processing methods that converts HSV to two-dimensional videokymography (2D VKG) using U-medical image-processing software can provide quantitative information on vocal fold mucosa vibration. Multifunctional laryngeal examination system is composed of 3 kinds of examinations such as HSV, 2D scanning digital kymography (2D DKG) and line scanning digital kymography (DKG). Evaluation of entire vocal cord vibratory pattern in each cord is possible using 2D DKG and a faster and more reliable quantitative information can be obtained. As this system is used in clinical and research, it is expected to bring much advances to the diagnosis of voice disorders. In this review, I will introduce the principles and advantages on examination of the vocal fold vibration, which is in the spotlight recently, and proceed with the literature review.

Keywords

Acknowledgement

This work was supported by a 2-Year Research Grant of Pusan National University.

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