Sellick maneuver assisted real-time to achieve target force range in simulated environment—A prospective observational cross-sectional study on manikin

Hwan Ing Hee, Chiong Ling Wong, Olivia Wijeweera, Rehena Sultana and Ban Leong Sng

PLOS ONE, 2020, vol. 15, issue 2, 1-11

Abstract: A force sensor system was developed to give real-time visual feedback on a range of force. In a prospective observational cross-section study, twenty-two anaesthesia nurses applied cricoid pressure at a target range of 30–40 Newtons for 60 seconds in three sequential steps on manikin: Group A (step 1 blinded, no sensor), Group B (step 2 blinded sensor), Group C (step 3 sensor feedback). A weighing scale was placed below the manikin. This procedure was repeated once again at least 1 week apart. The feedback system used 3 different colours to indicate the force range achieved as below target, achieve target, above target. Significantly higher proportion of target cricoid pressure was achieved with the use of sensor feedback in Group C; 85.9% (95%CI: 82.7%-88.7%) compared to when blinded from sensor in Group B; 31.3% (95%CI: 27.4–35.4%). Cricoid force achieved blind (Group B) exceeded force achieved with feedback (Group C) by a mean of 8.0 (95%CI: 5.9–10.2, p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0227805

DOI: 10.1371/journal.pone.0227805

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