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Journal of the Korean Academy of Rehabilitation Medicine 1999;23(4):703-710.
Relationship between the Type of Laryngeal Penetration and Severity of Tracheal Aspiration in the Brain Injured.
Ha, Jung Sik , Kim, Hyun Dong , Park, Insun , Eun, Chung Ki
1Department of Rehabilitation Medicine, Inje University College of Medicine.
2Department of Diagnostic Radiology, Inje University College of Medicine.
뇌 손상 환자에서 후두 통과의 양상과 기도 흡인 정도와의 관계
하정식, 김현동, 박인선, 은충기1
인제대학교 의과대학 재활의학교실, 1진단방사선과학교실
Abstract

Objective
To assess the incidence of tracheal aspiration in the brain injury patients with laryngeal penetration, and to investigate the relationship between the type of laryngeal penetration and the severity of tracheal aspiration.


Method
One hundred videofluoroscopic swallowing tests in brain injury patients who showed laryngeal penetration were analyzed retrospectively. Laryngeal penetrations were classified into three groups: anterior, posterior and both. The incidence of the tracheal aspiration among the laryngeal penetration was evaluated. The severity of the tracheal aspiration was analyzed into the three groups: mild, moderate and severe. Each type of the laryngeal penetration were compared with the severity of the tracheal aspiration.


Results
Seventy-one patients showed the tracheal aspiration among the 100 patients with laryngeal penetration. The incidence of tracheal aspiration according to the type of the laryngeal penetration was 100% in both, 86.8% in posterior, and 50.9% in anterior type. The more severe tracheal aspiration was associated with the higher proportion of the posterior and both types.


Conclusion
The incidence of tracheal aspiration in laryngeal penetration was 71%. More severe tracheal aspiration occurred with both & posterior laryngeal penetration than anterior type.

Key Words: Laryngeal penetration, Tracheal aspiration, Videofluoroscopic swallowing test, Brain injury


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