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The Cardio First Angel™, the first CPR feedback device to provide feedback through pressure measurements, has shown to improve CPR administration techniques and survival rates

 

The Cardio First AngelTM (CFA; INOTECH, Nubberg, Germany) is a lightweight feedback device that was designed for use by health care professionals and laypersons while performing cardiopulmonary resuscitation (CPR). The device is designed to help guide the rescuer with auditory cues for compression and decompression. The cornerstone of successful CPR is effective chest compression, and this device performs these compressions to ensure that the quality and consistency required for improving chances of patient survival.

This study, published in Critical Care, was a single blind randomized controlled trial to assess the efficacy of these devices. The study included 80 subjects undergoing CPR for cardiac arrest, that were divided into the Cardio First AngelTM device intervention group, and a group that received standard manual CPR. The patients were of a similar demographic, and all of the chest compressions were performed by ICU nurses at four academic hospitals in Iran. The researchers found that the intervention group had a significant improvement in adherence to CPR guidelines by the nurses, a significant decrease in the number of rib fractures that occurred and a more frequent return of spontaneous circulation, in comparison to the control group.

The quality of chest compressions is the focal point of guidelines for CPR and is essential for survival and neurological recovery. Proper force and depth can also reduce the risk of CPR related injuries. The Cardio First AngelTM device is the first feedback device that uses direct pressure measurement to guide the rescuers compression and decompression. This is the first non-AED (automated external defibrillators) CPR feedback device that has been shown to improve the return of spontaneous circulation. There are confounding factors that could have contributed to the increase in mortality in the intervention group, but this warrants further study into the use of CPR devices as a means of improving the outcome of CPR.

 

 

 

Written By: Sarah Kassenaar, BSc (Hons)

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