Document Detail

Efficacy of the Airway Scope on tracheal intubation in the lateral position: comparison with the Macintosh laryngoscope.
MedLine Citation:
PMID:  20962657     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The Airway Scope (AWS) may become a rescue airway device to secure the airway in the lateral position. We evaluated the efficacy of the AWS on tracheal intubation in patients in this position in comparison with the Macintosh laryngoscope.
METHODS: Seventy patients scheduled for surgery in the lateral position under general anaesthesia with tracheal intubation were randomised into two groups: intubation with the Macintosh laryngoscope and that with the AWS. After general anaesthesia and muscle relaxation, experienced anaesthetists performed laryngoscopy and intubation using either laryngoscope in the right or left lateral position. Laryngoscopic view, intubation time, intubation difficulty scale score and success rate of tracheal intubation (within 60 s) were recorded and compared between intubation with the Macintosh laryngoscope and that with the AWS.
RESULTS: In the lateral position, the laryngoscopic view with the AWS was significantly better than that with the Macintosh laryngoscope (P < 0.01). Tracheal intubation was successful at the first attempt with the AWS in all patients and with the Macintosh laryngoscope in 85.3% of patients (P < 0.05). The median times to intubation with the AWS and with the Macintosh laryngoscope were 14 (interquartile range, 9-19) s and 29 (20-31) s, respectively (P < 0.01). Also, the AWS significantly reduced the intubation difficulty scale score compared with the Macintosh laryngoscope (P < 0.01).
CONCLUSION: In the situation in which securing the airway in the lateral position is required, the AWS is more effective than the Macintosh laryngoscope.
Ichiro Takenaka; Kazuyoshi Aoyama; Tamao Iwagaki; Tatsuo Kadoya
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  European journal of anaesthesiology     Volume:  28     ISSN:  1365-2346     ISO Abbreviation:  Eur J Anaesthesiol     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-02-18     Completed Date:  2011-06-10     Revised Date:  2011-06-20    
Medline Journal Info:
Nlm Unique ID:  8411711     Medline TA:  Eur J Anaesthesiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  164-8     Citation Subset:  IM    
Department of Anaesthesia, Nippon Steel Yawata Memorial Hospital, Yahatahigashi-ku, Kitakyushu, Japan.
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MeSH Terms
Aged, 80 and over
Anesthesia, General / methods
Equipment Design
Intubation, Intratracheal / instrumentation,  methods*
Laryngoscopy / instrumentation,  methods*
Middle Aged
Patient Positioning
Comment In:
Eur J Anaesthesiol. 2011 Jun;28(6):464-5   [PMID:  21455073 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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