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Anaesthesia. 2014 Aug;69(8):878-82. doi: 10.1111/anae.12731. Epub 2014 May 28.

Effect of cricoid pressure on placement of the I-gel™ : a randomised study.

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1
Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan.

Abstract

We studied 40 adult patients to see if cricoid pressure affected placement of the I-gel(™). In a randomised crossover design, the i-gel was placed with and without cricoid pressure, and we compared the success rate of adequate ventilation through the i-gel, time to placement and the rate of optimal position of the device between the two circumstances. Cricoid pressure significantly decreased the success rate of adequate ventilation through the i-gel (40 vs 34 patients) (p = 0.041, 95% CI for difference 4-26%), and significantly decreased the rate of the optimal position (39 vs 17 patients) (p < 0.001). The time to achieve adequate ventilation was significantly longer (p < 0.001) with cricoid pressure than without (median difference 8 s; 95% CI for median difference 3-12 s). Cricoid pressure significantly decreases the success rate of ventilation through the i-gel, but the success rate of ventilation through the i-gel is reasonably high.

PMID:
24866121
DOI:
10.1111/anae.12731
[Indexed for MEDLINE]
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