Document Detail

Tracheal intubation of morbidly obese patients: a randomized trial comparing performance of Macintosh and Airtraq laryngoscopes.
MedLine Citation:
PMID:  18211999     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The Airtraq laryngoscope is designed to allow visualization of the glottis without alignment of the oral, pharyngeal, and laryngeal axes. We hypothesized that this new airway device would facilitate tracheal intubation of morbidly obese patients. We compared tracheal intubation performance of standard Macintosh laryngoscope with the Airtraq laryngoscope in morbidly obese patients. METHODS: One hundred and six consecutive ASA I-III morbidly obese patients undergoing surgery were randomized to intubation with the Macintosh laryngoscope or the Airtraq laryngoscope. Induction of anaesthesia was standardized. If tracheal intubation failed within 120 s with the Macintosh or Airtraq , laryngoscopes were switched. Success rate, SpO2, duration of tracheal intubation, and quality of airway management were evaluated and compared between the groups. RESULTS: Preoperative characteristics of the patients were similar in both groups. In the Airtraq group, tracheal intubation was successfully carried out in all patients within 120 s. In the Macintosh laryngoscope group, six patients required intubation with the Airtraq laryngoscope. The mean (SD) time taken for tracheal intubation was 24 (16) and 56 (23) s, respectively, with the Airtraq and Macintosh laryngoscopes, (P<0.001). SpO2 was better maintained in the Airtraq group than in the Macintosh laryngoscope group with one and nine patients, respectively, demonstrating drops of SpO2 to 92% or less (P<0.05). CONCLUSIONS: In this study, the Airtraq laryngoscope shortened the duration of tracheal intubation and prevented reductions in arterial oxygen saturation in morbidly obese patients.
S K Ndoko; R Amathieu; L Tual; C Polliand; W Kamoun; L El Housseini; G Champault; G Dhonneur
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British journal of anaesthesia     Volume:  100     ISSN:  1471-6771     ISO Abbreviation:  Br J Anaesth     Publication Date:  2008 Feb 
Date Detail:
Created Date:  2008-01-23     Completed Date:  2008-02-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372541     Medline TA:  Br J Anaesth     Country:  England    
Other Details:
Languages:  eng     Pagination:  263-8     Citation Subset:  IM    
Anaesthesia and Intensive Care Department, Jean Verdier Public University Hospital of Paris (APHP), 93143 Bondy, France.
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MeSH Terms
Anoxia / etiology
Blood Pressure
Body Mass Index
Disposable Equipment
Equipment Design
Heart Rate
Intubation, Intratracheal / adverse effects,  instrumentation*
Middle Aged
Obesity, Morbid / complications*,  physiopathology
Oxygen / blood
Prospective Studies
Time Factors
Reg. No./Substance:

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

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