Comparison of fibreoptic-guided intubation through ILMA versus intubation through LMA-CTrach

S Sreevathsa, P Linga Nathan, B John, R F Danha, C Mendonca
Anaesthesia 2008, 63 (7): 734-7
We compared the time taken to intubate the trachea of a manikin by fibreoptic-guided intubation through an intubating laryngeal mask airway (ILMA-FOS) with intubation through a laryngeal mask airway CTrach (LMA-CTrach). Forty-two anaesthetists participated in this randomised crossover study. Although the insertion time was similar, the time taken to intubate the trachea was significantly shorter with the LMA-CTrach as compared with the ILMA-FOS, with a mean time (SD) for ILMA-FOS and CTrach 84 (32) and 53 (21) s, respectively (p < 0.001). The mean difference in the total time between the two techniques was 31 s, with a 95% confidence interval of 22 to 39 s. Thirty (71%) anaesthetists preferred LMA-CTrach as compared with ILMA-FOS (p = 0.008). We conclude that LMA-CTrach is a suitable alternative to fibreoptic-guided intubation through ILMA for the management of unanticipated failed intubation.

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