Document Detail

A randomized trial comparing the Ambu(®) Aura-i(™) with the air-Q(™) intubating laryngeal airway as conduits for tracheal intubation in children.
MedLine Citation:
PMID:  22971118     Owner:  NLM     Status:  Publisher    
OBJECTIVES: To assess the clinical performance of the Ambu Aura-i (Aura-i) in children. AIM: To compare the Aura-i with the air-Q intubating laryngeal airway (air-Q) for the purposes of fiberoptic-guided tracheal intubation. BACKGROUND: The Aura-i is a new supraglottic airway designed for tracheal intubation. MATERIALS/METHODS: One hundred twenty children, ages 1 month to 6 years, were randomized to receive either the Aura-i or air-Q, and divided into three equal subgroups (Group 1, 2, 3) based on weight. The time for successful tracheal intubation was primarily assessed. The ease, time, and number of attempts for successful device insertion, leak pressures, fiberoptic grade of laryngeal view, number of attempts time for removal of the device after tracheal intubation, and complications were secondarily assessed. RESULTS: Device placement, tracheal intubation, and removal after tracheal intubation were successful in all patients. There were no differences in the time to successful tracheal intubation through the Aura-i (32.9 ± 13.3 s), and the air-Q (33.9 ± 13 s; P = 0.68), or fiberoptic grade of view between devices. There was not a statistically significant correlation between the time to intubation and the fiberoptic grade of laryngeal view in any of the groups. There were no statistically significant differences in the overall leak pressures, air-Q (18.3 ± 6.1 cm H(2) O) vs Aura-i (16 ± 5.1 cm H(2) O; P = 0.05). In Group 1 (5-10 kg), leak pressures were higher with the air-Q (23.4 ± 7.2 cm H(2) O) than the Aura-i (16.1 ± 5.2 cm H(2) O; P = 0.001). There were no statistically significant differences in the time for removal between the two devices (P = 0.11). However, with the size 1.5 Aura-i, the pilot balloon of the tracheal tube was removed in order to facilitate the removal of the device after tracheal intubation. CONCLUSIONS: Both devices served as effective conduits for fiberoptic-guided tracheal intubation. The limitation of the narrower proximal airway tube of the size 1.5 Aura-i should be considered if cuffed tracheal tubes are to be utilized.
Narasimhan Jagannathan; Lisa E Sohn; Amod Sawardekar; Jason Gordon; Ravi D Shah; Isabella I Mukherji; Andrew G Roth; Santhanam Suresh; Jerrold Lerman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-13
Journal Detail:
Title:  Paediatric anaesthesia     Volume:  -     ISSN:  1460-9592     ISO Abbreviation:  Paediatr Anaesth     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9206575     Medline TA:  Paediatr Anaesth     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
Department of Pediatric Anesthesia, Ann and Robert H. Lurie Children's Hospital of Chicago, Northwestern University's Feinberg School of Medicine, Chicago, IL, USA.
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