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Type: Journal article
Title: Dimensions of double-lumen tracheobronchial tubes
Author: Russell, W.
Strong, T.
Citation: Anaesthesia and Intensive Care, 2003; 31(1):50-53
Publisher: Australian Soc Anaesthetists
Issue Date: 2003
ISSN: 0310-057X
Abstract: The diameter of the left main bronchus is the determining dimension when selecting the size of a left tracheobronchial (double-lumen) tube for lung separation. However, this information is not given by any manufacturer, either on the tube or in the package insert. This paper describes the lengths and diameters of the deflated bronchial cuff segment of left tracheobronchial tubes in common use. One hundred and seventy-one left tracheobronchial tubes ranging in size from 28 to 41 nominal French gauge from four manufacturers were measured. There was wide variation between tubes of the same nominal size from the same manufacturer. For tubes of the same size from the same manufacturer, the diameter of the segment with the deflated bronchial cuff varied by more than 1 mm in diameter in some instances.The diameter of the bronchial cuff segment did not consistently decrease as the nominal size decreased even for the same manufacturer. There was major overlap in diameters of the bronchial segments between Fr 41, Fr 39, and Fr 37 tubes from most manufacturers, so that some of the Fr 39 tubes have a bronchial cuff segment diameter as much as 0.5 mm larger than the Fr 41 tube. It is concluded that the current French gauge markings on left tracheobronchial tubes are of very limited value in determining the appropriate size to be selected for a patient. More accurate and consistent dimensions of tracheobronchial tubes are required to improve clinical selection.
Keywords: Bronchi
Equipment Design
Intubation, Intratracheal
Description: Publisher's copy made available with the permission of the publisher © Australian Society of Anaesthetists
DOI: 10.1177/0310057x0303100109
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Appears in Collections:Anaesthesia and Intensive Care publications
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