2020 Korean Guidelines for Cardiopulmonary Resuscitation. Part 9. Education and system implementation for enhanced chain of survival

Exploring ChatGPT for information of cardiopulmonary resuscitation

Background: In nonshockable cardiac arrest (CA) patients, the 2020 cardiopulmonary resuscitation (CPR) guidelines have stressed that high-quality CPR improves survival from CA, as with the 2015 CPR guidelines. However, it is unknown whether the 2015 guidelines contributed to the favorable neurological outcomes in adult CA patients. The present study aimed to clarify the effects of the 2015 guidelines on adult CA patients using the data of the All-Japan Utstein Registry, a prospective, nationwide, population-based registry of out-of-hospital CA (OHCA). Methods: From the data of this registry, between 2011 and 2020, we included adult witnessed OHCA patients due to cardiac etiology who had non-shockable rhythm as an initial rhythm. We excluded patients who received prehospital care in 2011, 2015, 2016, and 2020 because it was difficult to distinguish prehospital care based on either 2010 CPR guidelines, 2015, or 2020. We also excluded patients who received bystander CPR by citizens because we cannot assess the quality of bystander CPR. Study patients were divided into two groups based on the different CPR guidelines; the era of the 2010 guidelines (2010G) and the era of the 2015 guidelines (2015G). The endpoint was the favorable neurological outcome at 30 days after OHCA. Potential confounding factors based on biological plausibility and previous studies were included in the multivariable logistic regression analysis. These variables included the age, sex (male, female), advanced airway or not, the administration of adrenaline or not, the administration of saline or not, and time interval from call EMS to the scene. Results: Of the 1,259,960 patients registered in the All-Japan Utstein Registry, the data of 54,219 patients were included in this analysis. The 2015G was significantly higher in the 30-day favorable neurological outcome than the 2010G (2010G vs. 2015G = 1.5% vs. 1.8%: p=0.008). In the multivariate analysis, the adjusted odds ratio for 30-day favorable neurological outcome in OHCA patients in the 2015G compared to in the 2010G was 1.37 (95%CI 1.19-1.58, p<0.001). Conclusion: In the OHCA patients with non-shockable rhythm, the 2015 CPR guidelines were superior to the 2010 guidelines in terms of neurological benefits.

The introduction of closed-chest massage by Kouwenhoven, Jude and Knickerbocker in 1960 was one of the key components of resuscitation that made recovery from sudden cardiac arrest (SCA) a realistic possibility, both in hospital and in the community. The guidelines for cardiopulmonary resuscitation (CPR) of American Heart Association (AHA) were progressing from 1992. The 1992 guidelines for CPR and emergency cardiac care (ECC) described early access, early CPR, early defibrillation, and early advanced cardiovascular life support (ACLS), namely the ‘chain of survival’, as essential components of a series of actions designed to reduce the mortality associated with SCA. The 2000 guidelines for CPR and ECC reported that the intervals of collapse to conventional CPR and collapse to defibrillation were most powerful factors in determining survival from cardiac arrest. 2005 guidelines for CPR and ECC have reported that survival rates from witnessed cardiac arrest due to shockable rhythm (i.e., ventricular fibrillation or pulseless ventricular tachycardia) decrease 7–10% for every minute that passes between collapse and defibrillation if no CPR by bystanders is provided, but the decrease in survival rates is more gradual and average 3–4% per minute from collapse to defibrillation when bystander conventional CPR is provided. Now the 2010 guidelines have been announced by AHA. Initiating chest compressions before giving rescue breaths (i.e. C-A-B rather than A-B-C) has been advocated. In the past five decades, scientific knowledge about arrest pathophysiology and resuscitation mechanisms has increased substantially; it is also a cause of effectively translating the science of resuscitation into clinical care and improving resuscitation outcomes.

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Background:Strategies that improve cardiopulmonary resuscitation (CPR) guideline adherence may improve in-hospital cardiac arrest (IHCA) outcomes. Real-time audiovisual feedback (AVF) is one strategy identified by the American Heart Association and the International Liaison Committee on Resuscitation as an area needing further investigation. The aim of this study was to determine if in patients with IHCA, does the addition of a free-standing AVF device to standard manual chest compressions during CPR improve sustained return of spontaneous circulation (ROSC) rates (primary outcome) or CPR quality or guideline adherence (secondary outcomes).Methods:This was a prospective, randomized, controlled, parallel study of patients undergoing resuscitation with chest compressions for IHCA in the mixed medical-surgical intensive care units (ICUs) of two academic teaching hospitals. Patients were randomized to receive either standard manual chest compressions or compressions using the Cardio First Angel™ feedback device.Results:Sixty-seven individuals were randomized, and 22 were included. CPR quality evaluation and guideline adherence scores were improved in the intervention group (P = 0.0005 for both). The incidence of ROSC was similar between groups (P = 0.64), as was survival to ICU discharge (P = 0.088) and survival to hospital discharge (P = 0.095).Conclusion:The use of the Cardio First Angel™ compression feedback device improved adherence to publish CPR guidelines and CPR quality. The insignificant change in rates of ROSC and survival to ICU or hospital discharge may have been related to small sample size. Further clinical studies comparing AVF devices to standard manual compressions are needed, as are device head-to-head comparisons.

The first description of modern cardiopulmonary resuscitation (CPR) included the instruction to compress the chest “about 60 times per minute”1; however, the optimal compression rate was unknown. Franz Koenig is credited with describing the original technique for external cardiac massage, which included a compression rate of 30 to 40 per minute.2 But in the first published description of external cardiac massage in 1892, Friedrich Maass documented a better clinical response with a rate of 120 per minute.2 To this day, the optimal compression rate is the subject of controversy. Animal data indicate that cardiac output increases with compression rates up to as high as 150 per minute.3 In a canine model of prolonged cardiac arrest, compression rates of 120 per minute compared with 60 per minute increased mean aortic (systolic and diastolic) and coronary perfusion pressures, and 24-hour survival (61% versus 15%, P =0.03).4 In a study of 9 patients undergoing CPR, a compression rate of 120 per minute generated higher aortic peak pressures and coronary perfusion pressures compared with a compression rate of 60 per minute (the rate recommended by the 1980 American Heart Association [AHA] guidelines). This evidence is supported by another study of 23 patients in cardiac arrest in which compressions at 120 per minute resulted in significantly higher end-tidal carbon dioxide values compared with compressions at 80 per minute.5 Article see p 3004 The first large, prospective, observational study of the influence of chest compression rate on patient survival was published in this journal in 2005.6 The number of delivered chest compressions was recorded by trained observers during in-hospital resuscitation attempts. A higher chest compression rate was associated with a higher rate of return of spontaneous circulation (ROSC). The mean chest compression rate for initial survivors was 90 …

Effects of cardiopulmonary resuscitation on direct versus video laryngoscopy using a mannequin model

Providers with Limited Experience Perform Better in Advanced Life Support with Assistance Using an Interactive Device with an Automated External Defibrillator Linked to a Ventilator

Objective To evaluate and analyze the training effectiveness improvements of cardiopulmonary resuscitation(CPR)skills based on 2010 CPR guideline in emergency medicine.Methods 60 clinical training doctors in the First Affiliated Hospital of SUN Yat-sen University,who were trained in the emergency department from August,2010 to August,2011,were taken into this research.Among them,30 doctors assigned into control group,entered emergency department before 2010 CPR guideline was published and were exposed to be trained based on 2005 CPR guideline and the other 30 doctors assigned into experimental group,were trained after 2010 CPR guideline was published and were trained based on 2010 CPR guideline.Theory and skill-practice tests were employed to evaluate the training effectiveness after the training course was finished in both groups.Results Total scores of the experimental group are higher than those of the control group.The theory test scores have no significant difference between two groups,while the experimental group acts better in skill-practice test.Conclusions It seems helpful to improve training effectiveness of basic life-support procedures in medical staff based on the adjustment of 2010 CPR guideline. Key words: Cardiopulmonary resuscitation skills; Cardiopulmonary resuscitation guideline; Emergency medicine; Training effectiveness

Introduction. Although the incidence of cardiac arrest in children is much lower than in adults, the condition is still considered a major health problem with a very low chance for survival. As in adults, the timely provision of cardiopulmonary resuscitation (CPR) in children is crucial. Current guidelines for CPR in children were published along with the guidelines for CPR in adults in 2015. As in previous years, they are based on consensus provided by International Liaison Committee on Resuscitation (ILCOR). Guidelines of particular ILCOR member councils may vary and reflect regional characteristic such as different access to health care, education methods or willingness of population to provide emergency assistance. Moreover, the conditions requiring CPR in children are characterized not only by different incidence, but also by aetiology or techniques used for different age groups. Therefore, emphasis is put on simplicity and feasibility as well as on consistency with adult guidelines to improve retention of the paediatric sequences. Nurses may be first rescuers not only in health care facilities. Better understanding of CPR guidelines might help them to improve their ability to detect conditions requiring CRP and also initiate and provide effective emergency care. Aim. The aim of this study is to compare different approaches to paediatric CPR, in particular to basic life support (BLS), used in current guidelines of different ILCOR member councils. Results and conclusions. General algorithm for adult CPR may be followed for victims of all age, but in case of children, slightly different approach might have much more favourable outcome.

Cardiopulmonary resuscitation: current guidelines

Comparison of volume-controlled, pressure-controlled, and chest compression-induced ventilation during cardiopulmonary resuscitation with an automated mechanical chest compression device: A randomized clinical pilot study

In this study, the reliability of Turkish cardiac massage and Basic Life Support (BLS) videos, which have already been downloaded from three website such as YouTube, Google, Yahoo following the publication of 2010 cardiopulmonary resuscitation (CPR) guideline and their suitability to the same guideline were researched. The videos uploaded to the three web-site to search videos on internet were queried by using the keywords "cardiac massage" and "basic life support". Videos that had been uploaded between January 2011 and July 2014 were analyzed and scored by two experienced emergency specialists. A total of 1126 videos were obtained. 1029 of the videos (91.4%) were excluded by researchers. 97 videos were detected to accord with study criteria. Despite most of the videos were found on Google website by keywords, the enormous part of videos proper to criteria were sourced from YouTube website (n=65, 67.0%). One fourth of the videos (24.7%) were observed to not be suitable for 2010 CPR guideline. AED usage was mentioned slightly in the videos (14.4%). Median score of the videos is 5 (IQR: 4-6). The rate and scores of the videos uploaded by official institution or association were significantly higher than others (p=0.007 and 0.006, respectively). Moreover, scores of the videos compatible with guidelines uploaded by official institution or association and medical personal were also found higher (p=0.001). Eventually, all the data obtained in this study support that Turkish videos were not reliable on the subject of BLS and cardiac massage. It is promising that videos with high follow-up rates also have been scored higher.

A recent world expert conference on resuscitation and emergency cardiac care led to evidence-based international guidelines for cardiopulmonary resuscitation (CPR). Several changes to CPR interventions were recommended, and will have to be implemented into clinical practice. The poor prognosis of patients who suffer in-hospital cardiac arrest may be improved with developments in CPR interventions. In the present review the most important changes recommended by the new CPR guidelines and the latest promising CPR investigations are described, focusing on their impact on in-hospital resuscitation.

The conjunctival oxygen tension (CjO2) sensor is a non-invasive, continuous index of oxygen delivery in the haemodynamically unstable patient. Human and animal studies have indicated that CjO2 reflects cerebral blood flow and oxygenation. Simple insertion, rapid stabilization and reaction time less than 60 s allow use in the initial stages of cardiopulmonary resuscitation (CPR) where invasive monitoring is often impracticable. CjO2 was monitored to assess cerebral oxygenation during CPR of 15 patients in cardiac arrest in the accident and emergency department (A&E). Patients who arrested out of hospital with delay to advanced cardiac life support and died had CjO2 less than 20 mmHg (normal CjO2 50-60 mmHg) on arrival in A&E. CPR with closed chest cardiac massage (closed CPR) produced no improvement in CjO2. Patients who arrested in ventricular fibrillation (VF) in A&E, and survived with no neurological deficit had CjO2 greater than 20 mmHg during CPR. However, further episodes of VF produced an immediate fall in CjO2 which continued, despite closed CPR, until restoration of spontaneous cardiac output (RSCO) determined by a palpable carotid pulse. In survivors with delay from arrest to CPR the rise in CjO2 with RSCO did not occur for up to 10 min. This study suggests that closed CPR has no value in maintaining or improving cerebral oxygenation during cardiac arrest. Further studies are required to determine the precise relationship of CjO2 to cerebral blood flow and oxygenation during CPR using open and closed techniques of cardiac massage. Open chest cardiac massage (open CPR) has been shown to produce near normal cerebral perfusion and if patients are to survive prolonged resuscitation neurologically intact guidelines for open CPR must be reviewed.