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An assessment of oropharyngeal airway position using a fibreoptic bronchoscope

 S. H. Kim  ;  J. E. Kim  ;  Y. H. Kim  ;  B. C. Kang  ;  S. B. Heo  ;  C. K. Kim  ;  W. K. Park 
 ANAESTHESIA, Vol.69(1) : 53-57, 2014 
Journal Title
Issue Date
Adult ; Aged ; Airway Obstruction/etiology ; Airway Obstruction/prevention & control ; Anthropometry/methods ; Bronchoscopes* ; Equipment Design ; Female ; Fiber Optic Technology/instrumentation* ; Humans ; Intubation, Intratracheal/adverse effects ; Intubation, Intratracheal/instrumentation* ; Intubation, Intratracheal/methods ; Male ; Middle Aged ; Oropharynx/anatomy & histology* ; Prospective Studies ; Sex Characteristics ; Young Adult
Selecting the appropriate oropharyngeal airway for safe and effective airway management is important in clinical practice. In this prospective observational study, we examined the position of the distal end of oropharyngeal airways using a fibreoptic bronchoscope. We enrolled 149 adults (72 men and 77 women). The correct airway size was determined by inserting four adult sizes Guedel airway (Hudson RCI; Teleflex Medical, Research Triangle, Park, NC, USA) (sizes 8, 9, 10 and 11) sequentially in anaesthetised patients. The ‘best fit’ airway was size 10 in 45 (62%) men, and size 9 in 58 (75%) women. However, when these airways were inserted, the distal end of the airway either touched or passed beyond the epiglottis tip in 20 (27%) men and six (8%) women, respectively. When a size-9 airway was inserted in men and a size-8 airway inserted in women, the distal ends were obstructed by the tongue in three (2%) patients. In conclusion, a size-9 airway in men and a size-8 airway in women are the most acceptable sizes for adults of average height.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Kang, Byoung Chan(강병찬)
Kim, Shin Hyung(김신형) ORCID logo https://orcid.org/0000-0003-4058-7697
Kim, Ji Eun(김지은)
Park, Wyun Kon(박윤곤)
Heo, Sang-baek(허상백)
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