COMPARATIVE STUDY
JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL

A randomised trial comparing the laryngeal mask airway Supreme™ with the laryngeal mask airway Unique™ in children

N Jagannathan, L E Sohn, A Sawardekar, E Chang, K E Langen, K Anderson
Anaesthesia 2012, 67 (2): 139-44
22070630
We conducted a randomised controlled trial comparing the laryngeal mask airway Supreme(™) with the laryngeal mask airway Unique(™) in children. Fifty children presenting for elective surgery were randomly assigned to receive either the laryngeal mask airway Supreme or laryngeal mask airway Unique. The outcomes measured were airway leak pressure, ease and time for insertion, insertion success rate, fibreoptic examination, incidence of gastric insufflation, ease of gastric tube placement through the laryngeal mask airway Supreme, quality of airway during anaesthetic maintenance and complications. Median (IQR [range]) time to successful device placement was shorter with the laryngeal mask airway Unique, 14.5 [13.5-16.3 (10.0-23.6)] s than with the laryngeal mask airway Supreme, 17.4 [14.8-19.8 (11.5-29.2)] s; p = 0.007. Median (IQR [range]) airway leak pressures for the laryngeal mask airway Supreme and laryngeal mask airway Unique were 20 [16-21 (12-22)] cmH(2)O and 15 [14-18 (10-24)] cmH(2)O, respectively (p = 0.001). The incidence of gastric insufflation was lower with the laryngeal mask airway Supreme (zero vs six patients), p = 0.01. In conclusion, the laryngeal mask airway Supreme performed as well as the laryngeal mask airway Unique and is a useful alternative for airway maintenance, particularly in children who require evacuation of gastric contents during anaesthesia.

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