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J Korean Soc Laryngol Phoniatr Logop > Volume 32(1); 2021 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2021;32(1): 1-8.
doi: https://doi.org/10.22469/jkslp.2021.32.1.1
성대진동검사의 최신 지견
이진춘1 , 배인호2
1부산대학교 의과대학 이비인후과학교실
2고신대학교 언어치료학과
Recent Advances in Examination of Vocal Fold Vibration
Jin-Choon Lee1 , Inho Bae2
1Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Pusan National University, Yangsan, Korea
2Department of Speech & Language Pathology, Kosin University, Busan, Korea
Correspondence  Inho Bae ,Tel: +82-51-990-2436, Fax: +82-0504-423-7898, Email: voicebae@kosin.ac.kr
Received: 12 May 2020; Revised: June 8, 2020   Accepted: 9 June 2020.  Published online: 28 April 2021.
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.
KEY WORDS: Vocal cords; Vibration; Stroboscopy; Kymography
중심 단어: 성대, 진동, 스트로보스코피, 카이모그래피
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