Randomized clinical trial of the i-gel™ and Magill tracheal tube or single-use ILMA™ and ILMA™ tracheal tube for blind intubation in anaesthetized patients with a predicted difficult airway

The single-use supraglottic airway device i-gel™ has been described in several case reports as a conduit for intubation, but no prospective data about success rates of blind intubation are available. Therefore, we performed this prospective randomized controlled trial to compare the success rate of...

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Bibliographic Details
Published in:British journal of anaesthesia : BJA 2011-08, Vol.107 (2), p.243-250
Main Authors: Theiler, L., Kleine-Brueggeney, M., Urwyler, N., Graf, T., Luyet, C., Greif, R.
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
airway, complications
anaesthetic techniques, fibreoptic intubation
Anesthesia
Anesthesia, General - methods
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Device Removal
Disposable Equipment
Equipment Design
Female
Fiber Optic Technology - methods
Hemodynamics
Humans
intubation
Intubation, Intratracheal - adverse effects
Intubation, Intratracheal - instrumentation
Laryngeal Masks - adverse effects
Male
Medical sciences
Middle Aged
Pharyngitis - etiology
Postoperative Complications
Prospective Studies
tracheal, laryngeal mask airway, supraglottic airway devices
Young Adult
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Summary:The single-use supraglottic airway device i-gel™ has been described in several case reports as a conduit for intubation, but no prospective data about success rates of blind intubation are available. Therefore, we performed this prospective randomized controlled trial to compare the success rate of blind tracheal intubation with a Magill PVC tube through the i-gel™ with intubation using an sILMA™ PVC tube through the single-use intubating laryngeal mask airway (sILMA™). With ethics committee approval and written informed consent, 80 patients with predictors of a difficult airway were computer randomized to either supraglottic airway device (SAD). The corresponding tracheal tube (TT) was introduced through the SAD under fibreoptic visualization but without fibreoptic guidance. Primary outcome was blind intubation success rate. Times, airway leak pressure, fibreoptic view, and adverse events were recorded. To control for the influence of the TT, we compared data from 40 patients described in an accompanying study (sILMA™ with Magill TT and i-gel™ with sILMA™ TT). Blind intubation success rate through the sILMA™ (69%) was higher than with the i-gel™ (15%, P
ISSN:0007-0912
1471-6771
DOI:10.1093/bja/aer102