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Investigating the failure to aspirate subglottic secretions with the evac endotracheal tube
Authors
&NA
Berra
+15 more
Christos K. Dragoumanis
Collard
George I. Vretzakis
Girou
Ioannis A. Pneumatikos
Iregui
Kollef
Kollef
Mahul
Rello
Smulders
Theodsia D. Vogiatzaki
Valles
Vassilios E. Papaioannou
Vassilios N. Didilis
Publication date
1 January 2007
Publisher
'Ovid Technologies (Wolters Kluwer Health)'
Doi
Cite
Abstract
BACKGROUND: Aspiration of subglottic secretions is a widely used intervention for prevention of ventilator-associated pneumonia. However, using the Hi-Lo® Evac endotracheal tube (Hi-Lo Evac; Mallinckrodt; Athlone, Ireland) (Evac ETT), dysfunction of the suction lumen and subsequent failure to aspirate the subglottic secretions are common. Our objective in this study was to determine the causes of suction lumen dysfunction experienced with the Evac ETT. METHODS: We studied 40 adult patients intubated with the Evac ETT. In all cases for which dysfunction of the suction lumen was observed, the subglottic suction port was examined visually using a flexible bronchoscope. RESULTS: Dysfunction of the suction lumen occurred in 19 of 40 patients (48%). In 17 of these (43%), it was attributed to blockage of the subglottic suction port by suctioned tracheal mucosa. CONCLUSION: Evacuation of subglottic secretions using the Evac ETT is often ineffective due to prolapse of tracheal mucosa into the subglottic suction port. © 2007 by International Anesthesia Research Society
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Last time updated on 18/03/2019
University of Thessaly Institutional Repository
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oai:ir.lib.uth.gr:11615/27240
Last time updated on 07/12/2017