![]() The feedback device CPRmeter2™ was attached to the body and switched on before compressions were started. Resuscitation measures were initiated according to BLS and advanced cardiac life support–AHA-guidelines by trained health-care providers. In addition to CCF, we also sought to identify its relationship with factors such as total duration of resuscitation, the number of personnel involved, use of the defibrillator, airway management, and diurnal variation, in cardiac arrest cases presenting to our ED.Īll cardiac arrest patients brought to the ED who met the inclusion criteria were studied by an independent observer who was not part of the resuscitation. Nevertheless, the factors affecting CCF were proposed to vary across settings and we aimed to measure the average CCF achieved in the Indian academic emergency departments (EDs). Several devices providing audiovisual feedback during compressions (CPR feedback devices) have been introduced to improve basic life support (BLS) quality. The rescuers’ CPR performance, particularly the quality of chest compression, decreases rapidly over time. Interruptions in chest compressions during CPR have a deleterious impact on cerebral and coronary perfusion during animal models of cardiac resuscitation. Alternatively, they may pause compressions for reasons that are not related to patient care such as distraction, fatigue, confusion, or lack of knowledge and inability to perform lifesaving skills efficiently. Quantifying CPR by calculating the CCF helps in improving the quality of resuscitation.ĭuring resuscitation, providers may stop delivering compressions for reasons that are integral to patient care such as assessing rhythm and pulse, maintaining airway and ventilation, or defibrillation. The addition of a target compression fraction of at least 60% is intended to limit interruptions in compressions and to maximize blood flow and coronary perfusion during CPR. Rescuers should try to perform chest compressions at a rate of at least 100–120 per min and a depth of at least 2 inches, avoiding excessive depths >2.4 inches or 6 cm according to the new AHA guidelines. It is a measure of time devoted exclusively to chest compressions. The American Heart Association (AHA) currently recommends minimizing the frequency and duration of interruptions in chest compressions to maximize the number of compressions delivered per minute.Ĭhest compression fraction (CCF) is the cumulative time of chest compressions given during resuscitation divided by the total time taken for the entire resuscitation. The delivery of high-quality chest compressions is one of the most essential components of cardiopulmonary resuscitation (CPR). With an annual worldwide incidence of >6 million cardiac arrests the search continues for ways to improve survival. Improving survival from cardiac arrest is an important goal for the emergency medical team.
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