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 Correlation between The Size and Location of Vocal Polyp and Voice Quality, Before and After Laryngeal Microsurgery

후두미세수술 전후 성대 용종의 크기 및 위치가 음성의 질의 변화에 미치는 영향

  • Han, Won Gue (Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine) ;
  • Kim, Min-Su (Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine) ;
  • Oh, Kyung Ho (Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine) ;
  • Woo, Jeung Soo (Department of Otorhinolaryngology-Head and Neck Surgery, Guro Hospital, Korea University College of Medicine) ;
  • Jung, Kwang Yoon (Department of Otorhinolaryngology-Head and Neck Surgery, Anam Hospital, Korea University College of Medicine) ;
  • Kwon, Soon Young (Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine)
  • 한원규 (고려대학교 의과대학 안산병원 이비인후과학교실) ;
  • 김민수 (고려대학교 의과대학 안산병원 이비인후과학교실) ;
  • 오경호 (고려대학교 의과대학 안산병원 이비인후과학교실) ;
  • 우정수 (고려대학교 의과대학 구로병원 이비인후과학교실) ;
  • 정광윤 (고려대학교 의과대학 안암병원 이비인후과학교실) ;
  • 권순영 (고려대학교 의과대학 안산병원 이비인후과학교실)
  • Received : 2016.05.18
  • Accepted : 2016.06.15
  • Published : 2016.12.30
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Abstract

Background and Objectives : Vocal polyps are caused by inflammation induced by stress or irritation. Many patients with vocal polyps complain voice discomfort. For vocal polyps, surgery such as laryngeal microsurgery has been the mainstay of management. We analyzed the clinical features of vocal polyps, and how the size and location of vocal polyps affect the outcomes of surgery. Methods : We retrospectively reviewed 42 patients from March 2014 to December 2015, who were diagnosed as unilateral single vocal polyp. When we operated on a vocal polyp with laryngeal microscopy, we measured their size and location. The quality of voice was evaluated by GRABS scale, jitter, shimmer, NHR (noise to harmonic ratio), MPT (maximum phonation time), and VHI (voice handicap index) before operation and 4 weeks after operation. Results : When we divided the patients into large-sized vocal polyp group (the longest length >3 mm) and small-sized vocal polyp group (the longest length ${\leq}3mm$), all parameter differences tend to be greater at large sized vocal polyp. However, these differences were not statistically significant (p>0.05). When we divided into two groups depending on the volume of vocal polyp, no distinct tendency was found. When we compared the location (anterior, mid and posterior) of vocal polyp with the improvement of voice quality, more change was found at mid portion vocal polyp, except the difference of VHI. However, these differences were also not statistically significant (p>0.05). Conclusion : All parameter differences tend to be greater at large vocal polyp and polyp of the mid location.

Keywords

References

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