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Assisted cough and pulmonary compliance in patients with Duchenne muscular dystrophy

Authors
 Seong Woong Kang  ;  Yeoun Seung Kang  ;  Jae Ho Moon  ;  Tae Won Yoo 
Citation
 YONSEI MEDICAL JOURNAL, Vol.46(2) : 233-238, 2005 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2005
MeSH
Adolescent ; Child ; Cough/physiopathology* ; Humans ; Inspiratory Capacity ; Lung Compliance* ; Male ; Muscular Dystrophy, Duchenne/physiopathology* ; Muscular Dystrophy, Duchenne/therapy* ; Pulmonary Ventilation ; Respiratory Therapy* ; Vital Capacity
Keywords
Assisted cough ; maximum insufflation capacity ; peak cough flow ; pulmonary compliance
Abstract
The aim of this study was to investigate the factors affecting cough ability, and to compare the assisted cough methods in patients with Duchenne muscular dystrophy (DMD). A total seventy-one male patients with DMD were included in the study. The vital capacity (VC) and maximum insufflation capacity (MIC) were measured. The unassisted peak cough flow (UPCF) and three different techniques of assisted peak cough flow were evaluated. UPCF measurements were possible for all 71 subjects. But when performing the three different assisted cough techniques, peak cough flows (PCFs) could be obtained from only 51 subjects. The mean value of MICs (1801 ± 780 cc) was higher than that of VCs (1502 ± 765 cc) (p < 0.01). All three assisted cough methods showed a significantly higher value than the unassisted method (F=80.92, p < 0.01). The manual assisted PCF under MIC (MPCFmic) significantly exceeded those produced by manual assisted PCF (MPCF) or PCF under MIC (PCFmic). The positive correlation between the MIC, VC difference (MIC-VC), and the difference between PCFmic and UPCF (PCFmic-UPCF) was seen (r=0.572, p < 0.01). The preservation of pulmonary compliance is important for the development of an effective cough as well as assisting the compression and expulsive phases. Thus, the clinical importance of the inspiratory phase and pulmonary compliance in assisting a cough should be emphasized.
Files in This Item:
T200500108.pdf Download
DOI
10.3349/ymj.2005.46.2.233
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
Moon, Jae Ho(문재호)
Yoo, Tae Won(유태원)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/147366
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