Efficacy of Feed Forward and Feedback Signaling for Inflations and Chest Compression Pressure During Cardiopulmonary Resuscitation in a Newborn Mannequin

Peter Andriessen, Sidarto Bambang Oetomo, Wei Chen, Loe MG Feijs

Abstract


Background: The objective of the study was to evaluate a device that supports professionals during neonatal cardiopulmonary resuscitation (CPR). The device features a box that generates an audio-prompted rate guidance (feed forward) for inflations and compressions, and a transparent foil that is placed over the chest with marks for inter nipple line and sternum with LED’s incorporated in the foil indicating the exerted force (feedback). 

Methods: Ten pairs (nurse/doctor) performed CPR on a newborn resuscitation mannequin. All pairs initially performed two sessions. Thereafter two sessions were performed in similar way, after randomization in 5 pairs that used the device and 5 pairs that performed CPR without the device (controls). A rhythm score was calculated based on the number of CPR cycles that were performed correctly.  

Results: The rhythm score with the device improved from 85 ± 14 to 99 ± 2% (P < 0.05). In the control group no differences were observed. The recorded pressures with the device increased from 3.1 ± 1.6 to 4.9 ± 0.8 arbitrary units (P < 0.05). The second performance of the teams showed significant better results for the group with the CPR device compared to the controls. 

Conclusion: Feed forward and feedback signaling leads to a more constant rhythm and chest compression pressure during CPR.




doi:10.4021/jocmr865w


Keywords


Cardiopulmonary resuscitation; Newborn; Simulation

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