The air-Q® intubating laryngeal airway vs the LMA-ProSeal™: a prospective, randomised trial of airway seal pressure

We performed a prospective, open-label, randomised controlled trial comparing the air-Q(®) against the LMA-ProSeal™ in adults undergoing general anaesthesia. One hundred subjects (American Society of Anesthesiologists physical status 1-3) presenting for elective, outpatient surgery were randomly ass...

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Bibliographic Details
Published in:Anaesthesia 2011-12, Vol.66 (12), p.1093-1100
Main Authors: GALGON, R. E, SCHROEDER, K. M, HAN, S, ANDREI, A, JOFFE, A. M
Format: Article
Language:English
Subjects:
Adult
Anesthesia
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Female
Humans
Intubation, Intratracheal - instrumentation
Laryngeal Masks
Male
Medical sciences
Middle Aged
Pressure
Prospective Studies
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Summary:We performed a prospective, open-label, randomised controlled trial comparing the air-Q(®) against the LMA-ProSeal™ in adults undergoing general anaesthesia. One hundred subjects (American Society of Anesthesiologists physical status 1-3) presenting for elective, outpatient surgery were randomly assigned to 52 air-Q(®) and 48 ProSeal devices. The primary study endpoint was airway seal pressure. Oropharyngolaryngeal morbidity was assessed secondarily. Mean (SD) airway seal pressures for the air-Q(®) and ProSeal were 30 (7) cmH (2) O and 30 (6) cmH(2) O, respectively (p = 0.47). Postoperative sore throat was more common with the air-Q(®) (46% vs 38%, p = 0.03) as was pain on swallowing (30% vs 5%, p = 0.01). In conclusion, the air-Q(®) performs well as a primary airway during the maintenance of general anaesthesia with an airway seal pressure similar to that of the ProSeal, but with a higher incidence of postoperative oropharyngolaryngeal complaints.
ISSN:0003-2409
1365-2044
DOI:10.1111/j.1365-2044.2011.06863.x