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Effect of decannulation on pharyngeal and laryngeal movement in post-stroke tracheostomized patients

 Soo Jin Jung  ;  Deog Young Kim  ;  Yong Wook Kim  ;  Yoon Woo Koh  ;  So Young Joo  ;  Eun Sung Kim 
 Annals of Rehabilitation Medicine, Vol.36(3) : 356-364, 2012 
Journal Title
 Annals of Rehabilitation Medicine 
Issue Date
OBJECTIVE: To investigate effects of tracheostomy tube on the movement of the hyoid bone and larynx during swallowing by quantitative analysis of videofluoroscopic swallowing study. METHOD: 19 adult stroke patients with tracheostomies, who met the criteria of decannulation participated. Serial videofluroscopic swallowing studies were done over 14 days before decannulation, within 24 hours before decannulation, within 24 hours after decannulation, and over 14 days after decannulation. The kinematic parameter such as pharyngeal transition time, stage transition duration, maximal hyoid bone movement, and maximal laryngeal prominence movement were obtained by 2-D quantitative analysis of videofluoroscopic swallowing study. RESULTS: Pharyngeal transition time and stage transition duration were not significantly changed all the time. The maximal hyoid bone movement and maximal laryngeal prominence just after decannulation were improved significantly compared to just before decannulation (p<0.05), especially on vertical movement. CONCLUSION: The hypothesis that a tracheostomy tube disturbs the hyoid bone and laryngeal movement during swallowing may be supported by this study. KEYWORDS: Decannulation, Hyoid bone, Laryngeal prominence, Movement, Tracheostomy
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실)
Yonsei Authors
고윤우(Kho, Yoon Woo) ; 김덕용(Kim, Deog Young) ; 정수진(Jung, Soo Jin)
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