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- Title
Vocal cords-carina distance in anaesthetised Caucasian adults and its clinical implications for tracheal intubation.
- Authors
Pang G; Edwards MJ; Greenland KB; Pang, G; Edwards, M J; Greenland, K B
- Abstract
Previous work has assessed vocal cords-carina distance in Chinese patients and compared it to commonly used tracheal tubes. In addition, an attempt was made to identify surface anatomy measurements with short tracheas. We have examined the length of tracheas in Caucasian patients and compared it with currently used tracheal tubes. We have investigated a wider range of surface anatomy measurements in an attempt to correlate measurements with vocal cords-carina distance and identifying patients who may be at risk of endobronchial intubation. In this study, the vocal cords-carina distance was measured in 150 anaesthetised Caucasian patients with a fibreoptic bronchoscope. We also attempted to correlate height and various surface anatomy measurements on the patients' chest, neck and limb regions to predict those patients at risk of endobronchial intubation. The mean vocal cords-carina distance was 12.7 cm (standard deviation 1.6 cm). The best predictors in our study of vocal cords-carina distance less than 11.3 cm were a height of < or = 182 cm, an ulnar length of < or = 31.2 cm or a thyroid to xiphisternum distance of < or = 31.8 cm. This correlation is poor however and prediction of vocal cords-carina distance remains difficult clinically. It was therefore concluded that surface anatomy measurements are a poor predictor of vocal cords-carina distance.
- Publication
Anaesthesia & Intensive Care, 2010, Vol 38, Issue 6, p1029
- ISSN
0310-057X
- Publication type
journal article
- DOI
10.1177/0310057x1003800611