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Cough assistance device for patients with glottis dysfunction and/or tracheostomy

 Won Ah Choi  ;  Jung Hyun Park  ;  Dong Hyun Kim  ;  Seong-Woong Kang 
 Journal of Rehabilitation Medicine, Vol.44(4) : 351-354, 2012 
Journal Title
 Journal of Rehabilitation Medicine 
Issue Date
OBJECTIVE: To estimate the efficiency of a cough assistance device, the Cough Aid, in patients with weak respiratory muscles with bulbar palsy and/or tracheostomy. The Cough Aid is a device that has been developed to substitute for glottis function. DESIGN: Before-after trial. Subjects/patients: A total of 74 patients with bulbar palsy and/or tracheostomy, as well as respiratory muscle weakness, were recruited. METHODS: Forced vital capacity, unassisted cough peak flow, lung insufflation capacity, and assisted cough peak flow were measured via tracheostomy or oronasal interface. Lung insufflation capacity and assisted cough peak flow were measured using the Cough Aid. Results and conclusion: In all 74 subjects, lung insufflation capacities measured with the device were significantly higher than forced vital capacities (p < 0.01). Assisted cough peak flows measured using the device were also significantly higher than unassisted cough peak flows (p < 0.01). The Cough Aid is effective in helping to increase cough flow and assisting in the air stacking exercise by substituting the function of the glottis in patients who have glottis dysfunction or a tracheostomy tube.
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1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Kang, Seong Woong(강성웅) ORCID logo https://orcid.org/0000-0002-7279-3893
Park, Jung Hyun(박중현) ORCID logo https://orcid.org/0000-0003-3262-7476
Choi, Won Ah(최원아) ORCID logo https://orcid.org/0000-0003-0403-8869
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