• Paris B Lovett, Alexander Flaxman, Kai M Stürmann, and Polly Bijur.
• Department of Emergency Medicine, NewYork Presbyterian Hospital, NY, USA. pl2158@columbia.edu
• BMC Emerg Med. 2006 Jan 1; 6: 7.

BackgroundEndotracheal Tubes (ETTs) are commonly secured using adhesive tape, cloth tape, or commercial devices. The objectives of the study were (1) To compare degrees of movement of ETTs secured with 6 different commercial devices and (2) To compare movement of ETTs secured with cloth tape tied with 3 different knots (hitches).MethodsA 17 cm diameter PVC tube with 14 mm "mouth" hole in the side served as a mannequin. ETTs were subjected to repeated jerks, using a cable and pulley system.Measurements(1) Total movement of ETTs relative to "mouth" (measure used for devices) (2) Slippage of ETT through securing knot (measure used for knots).ResultsAmong commercial devices, the Dale showed less movement than other devices, although some differences between devices did not reach significance. Among knots, Magnus and Clove Hitches produced less slippage than the Cow Hitch, but these differences did not reach statistical significance.ConclusionAmong devices tested, the Dale was most secure. Within the scope offered by the small sample sizes, there were no statistically significant differences between the knots in this study.

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