| The effects of extubation with an inflated versus deflated endotracheal tube cuff on endotracheal fluid volume in the dog. | |
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MedLine Citation:
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PMID: 21492385 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Objective The purpose of this study was to investigate the effect of extubation with the endotracheal tube (ETT) cuff inflated versus deflated on endotracheal fluid volume in normal canine cadavers. Study Design Prospective randomized blinded controlled cadaver study. Animals Sixteen adult Beagle cadavers weighing 10.7 ± 1.7 kg (mean ± SD) and <2 years of age. Methods Cadavers were orotracheally intubated in lateral recumbency, and the ETT cuffs were inflated to a closing pressure of 20 cm H(2) O before barium was introduced orad to the cuff. The dogs were randomly assigned to an ETT cuff extubation condition of deflated or unchanged from the original closing pressure. After extubation, lateral thoracic radiographs of the cadavers were obtained and scored by three independent blinded reviewers. Each reviewer ordered all 16 lateral radiographs from most to least intratracheal contrast and also estimated residual intratracheal contrast volume. Results Dogs extubated with a deflated ETT cuff had a median rank of 13 and dogs extubated with an inflated ETT cuff had a median rank of 4.5 (p < 0.0001). Dogs extubated with a deflated ETT cuff had an estimated intratracheal volume of fluid of 1.8 mL ± 0.7 mL (mean ± SD) and dogs extubated with an inflated ETT cuff had an estimated volume of 0.9 mL ± 0.5 mL (p < 0.0001). Fleiss Kappa for agreement among evaluators was 0.875. Conclusions and clinical relevance Extubation with the cuff inflated removed more liquid contents from the trachea than extubation with the cuff deflated and may assist in the prevention of pulmonary aspiration when fluid is present in the proximal trachea. The technique did not remove all fluid so the potential for pulmonary damage remains. |
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Authors:
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Amanda Vance; Erik H Hofmeister; Cody Laas; Jamie Williams |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Veterinary anaesthesia and analgesia Volume: 38 ISSN: 1467-2995 ISO Abbreviation: Vet Anaesth Analg Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-04-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100956422 Medline TA: Vet Anaesth Analg Country: England |
Other Details:
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Languages: eng Pagination: 203-7 Citation Subset: IM |
Copyright Information:
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© 2011 The Authors. Veterinary Anaesthesia and Analgesia © 2011 Association of Veterinary Anaesthetists and the American College of Veterinary Anesthesiologists. |
Affiliation:
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College of Veterinary Medicine, University of Georgia, Athens, GA, USA Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, USA Department of Anatomy Radiology and Behavior, College of Veterinary Medicine, University of Georgia, Athens, GA, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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