Estimation of the nares-to-epiglottis distance and the nares-to-vocal cords distance in young children
- Authors
- Kim, S. H.; Kim, D. H.; Kang, H.; Park, J. J.; Seong, S. H.; Suk, E. H.; Hwang, J. H.
- Issue Date
- Nov-2012
- Publisher
- OXFORD UNIV PRESS
- Keywords
- airway anatomy; airway management; fibreoptic intubation; nasopharyngeal airway; nasotracheal intubation; paediatric anaesthesia
- Citation
- BRITISH JOURNAL OF ANAESTHESIA, v.109, no.5, pp 816 - 820
- Pages
- 5
- Journal Title
- BRITISH JOURNAL OF ANAESTHESIA
- Volume
- 109
- Number
- 5
- Start Page
- 816
- End Page
- 820
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/20042
- DOI
- 10.1093/bja/aes267
- ISSN
- 0007-0912
1471-6771
- Abstract
- Estimation of the nares-to-epiglottis and nares-to-vocal cords distances would facilitate the selection of properly sized nasopharyngeal airways and appropriate positioning of a fibreoptic bronchoscope in young children. The purposes of this study were to measure the nares-to-epiglottis and nares-to-vocal cords distances and to create an algorithm to predict these distances based on anatomical landmarks and paediatric characteristic data. Two hundred and eleven children, aged 110 yr, undergoing elective surgery were investigated. After induction of general anaesthesia, the distances from the nares to the epiglottis/vocal cords were measured using a nasogastric tube. After intubation, the distances from the lateral border of the nose to the ipsilateral mandible angle (nares-to-mandible distance) and the tragus of the ear (nares-to-tragus distance) were measured using a tape measure. The nares-to-epiglottis and nares-to-vocal cords distances were significantly correlated with the age, weight, height, and external measurements (P0.001). By stepwise multiple linear regression analysis, formulas were obtained for the nares-to-epiglottis distance (cm)2.6060.058height (cm)0.231the nares-to-mandible distance (cm)0.304 (gender) (r(2)0.754) and for the nares-to-vocal cords distance (cm)4.9470.06height (cm)0.228nares-to-mandible distance (cm)0.283 (gender) (r(2)0.803). The nares-to-epiglottis and nares-to-vocal cords distances can be predicted using the height and the nares-to-mandible distance in young children. Clinical Trial Registration number: Clinical Research Information Service KCT0000150.
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