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Artificial external glottic device for passive lung insufflation

Authors
 Dong Hyun Kim  ;  Seong-Woong Kang  ;  Yoon Ghil Park  ;  Won Ah Choi  ;  Hye Ree Lee 
Citation
 YONSEI MEDICAL JOURNAL, Vol.52(6) : 972-976, 2011 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2011
MeSH
Adult ; Aged ; Female ; Forced Expiratory Flow Rates/physiology ; Humans ; Insufflation/instrumentation* ; Insufflation/methods ; Male ; Middle Aged ; Neuromuscular Diseases/physiopathology* ; Neuromuscular Diseases/therapy ; Ventilators, Mechanical* ; Vital Capacity/physiology ; Young Adult
Keywords
Air stacking ; lung insufflation ; maximal insufflation capacity
Abstract
PURPOSE: For patients with neuromuscular disease, air stacking, which inflates the lungs to deep volumes, is important for many reasons. However, neuromuscular patients with severe glottic dysfunction or indwelling tracheostomy tubes cannot air stack effectively. For these patients, we developed a device that permits deep lung insufflations substituting for glottic function.

MATERIALS AND METHODS: Thirty- seven patients with bulbar-innervated muscle weakness and/or tracheostomies were recruited. Twenty-three had amyotrophic lateral sclerosis, and 14 were tetraplegic patients due to cervical spinal cord injury. An artificial external glottic device (AEGD) was used to permit passive deep lung insufflation. In order to confirm the utility of AEGD, vital capacity, maximum insufflation capacity (MIC), and lung insufflation capacity (LIC) with AEGD (LICA) were measured.

RESULTS: For 30 patients, MICs were initially zero. However, with the use of the AEGD, LICA was measurable for all patients. The mean LICA was 1,622.7±526.8 mL. Although MIC was measurable for the remaining 7 patients without utilizing the AEGD, it was significantly less than LICA, which was 1,084.3±259.9 mL and 1,862.9±248 mL, respectively (p<0.05).

CONCLUSION: The AEGD permits lung insufflation by providing deeper lung volumes than possible by air stacking.
Files in This Item:
T201104313.pdf Download
DOI
10.3349/ymj.2011.52.6.972
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
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, Yoon Ghil(박윤길) ORCID logo https://orcid.org/0000-0001-9054-5300
Lee, Hye Ree(이혜리)
Choi, Won Ah(최원아) ORCID logo https://orcid.org/0000-0003-0403-8869
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/94693
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