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External control of exhalation for cough assistance: a method for patients with glottis dysfunction and/or tracheostomy

Authors
 Sang Chul Lee  ;  Jung Hyun Park  ;  Seong-Woong Kang  ;  Dong Hyun Kim  ;  Sang Ha Song 
Citation
 ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION, Vol.90(8) : 1402-1407, 2009 
Journal Title
 ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION 
ISSN
 0003-9993 
Issue Date
2009
MeSH
Adolescent ; Adult ; Cough/physiopathology* ; Equipment Design ; Exhalation/physiology* ; Female ; Glottis/physiopathology* ; Humans ; Male ; Middle Aged ; Muscle Weakness/physiopathology* ; Neuromuscular Diseases/physiopathology* ; Respiratory Therapy/instrumentation* ; Spinal Cord Injuries/physiopathology* ; Statistics, Nonparametric ; Tracheostomy
Keywords
Cough ; Glottis ; Rehabilitation ; Tracheostomy
Abstract
OBJECTIVE: To investigate the effectiveness of our method of assisting a cough by mimicking the functions of the glottis in patients with bulbar muscle weakness or paralysis and/or those who had a tracheostomy tube. DESIGN: Before-after trial. SETTING: University rehabilitation hospital. PARTICIPANTS: Patients (N=35) with bulbar muscle weakness or paralysis and/or those who had a tracheostomy tube. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: The unassisted peak cough flow (PCF), the assisted PCF, and the assisted PCF with the external control method mimicking glottis function by an end-inspiratory external closure of the airways. RESULTS: Of the 35 patients, 13 were tracheostomized cervical cord injury patients, 11 were neuromuscular disease (NMD) patients with glottis dysfunction only, and 11 were NMD patients with a tracheostomy and glottis dysfunction. Assisted PCF with the external control method were higher than unassisted PCF and/or assisted PCF in all patients. Assisted PCF with the external control methods were measured in all of the patients even when the unassisted PCFs and/or assisted PCFs could not be measured. For patients with measurable assisted PCFs, the assisted PCF with the external control methods were significantly higher than the assisted PCFs. CONCLUSIONS: We showed the effectiveness of our method of assisting a cough by external control of the glottis in patients with bulbar muscle weakness or paralysis and/or those who had a tracheostomy tube who cannot effectively cough with the help of existing cough assistance methods
Full Text
http://www.sciencedirect.com/science/article/pii/S0003999309003153
DOI
10.1016/j.apmr.2009.02.017
Appears in Collections:
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
Kim, Dong Hyun(김동현)
Park, Jung Hyun(박중현) ORCID logo https://orcid.org/0000-0003-3262-7476
Lee, Sang Chul(이상철) ORCID logo https://orcid.org/0000-0002-6241-7392
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104125
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