Impact of the Over-the-Head Position with a Supraglottic Airway Device on Chest Compression Depth and Rate: A Post Hoc Analysis of a Randomized Controlled Trial

Loric Stuby, Laurent Suppan, Laurent Jampen, David Thurre, Loric Stuby, Laurent Suppan, Laurent Jampen, David Thurre

Abstract

There is considerable controversy regarding the optimal airway management strategy in the case of out-of-hospital cardiac arrest. Registry-based studies yield contradicting results and the actual impact of using supraglottic devices on survival and neurological outcomes remains unknown. In a recent simulation study, the use of an i-gel® device was associated with significantly shallower chest compressions. It was hypothesized that these shallower compressions could be linked to the provision of chest compressions in an over-the-head position, to the cumbersome airway management apparatus, and to a shallower i-gel® insertion depth in the manikin. To test this hypothesis, we carried out a post hoc analysis, which is described in this report. Briefly, no association was found between the over-the-head position and compression depth.

Keywords: CPR; airway; cardiac arrest; chest compression depth; emergency medical services; i-gel®; paramedics; prehospital; resuscitation; supraglottic airway device.

Conflict of interest statement

The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data, or in the writing of the manuscript.

Figures

Figure 1
Figure 1
The periods of analysis.
Figure 2
Figure 2
The proportions of the compressions with the correct depths by period (p = 0.99).

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Source: PubMed

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