Abstract 227: Sudden Cardiac Arrest During Exercise Occurs Infrequently and With Few Warning Symptoms

Circulation ◽  
2019 ◽  
Vol 140 (Suppl_2) ◽  
Author(s):  
Katherine S Allan ◽  
Brian E Grunau ◽  
Morgan Haines ◽  
Armin Nowroozpoor ◽  
James Christenson ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Metropolitan Areas ◽  
Sudden Cardiac Arrest ◽  
The Other ◽  
Future Research ◽  
Moderate Exercise ◽  
Metabolic Equivalent ◽  
Shockable Rhythm ◽  
Future Events ◽  
Bystander Cpr

Introduction: The incidence and details of sudden cardiac arrest (SCA) during exercise in the general population are not well described. We describe a cohort ages 2-85 who experienced an SCA within ≤ 1 hour of moderate to vigorous activity in 4 metropolitan areas of British Columbia, Canada. Methods: We reviewed prehospital records of consecutive out-of-hospital cardiac arrests (OHCAs) in the provincial BC OHCA Registry from June 17 2017 to August 16 2018. We included non-traumatic OHCAs treated by EMS occurring within ≤ 1 hour of exercise. We defined SCA as an OHCA of no obvious cause, witnessed/unwitnessed, survived/died. We assigned an estimated metabolic equivalent (MET) score to each type of physical activity. We defined moderate exercise as a MET score of 3-5.9 and vigorous as ≥6. Results: A total of 2674 OHCAs occurred during the study period of which 56 SCAs (2.1%) occurred within ≤1 hour of participation in 23 types of exercise (Figure 1). The incidence of SCA during exercise was 1.45 (95% CI 1.10-1.88) per 100,000 population. The median age was 56.5 [IQR 45-69] and 87.5% (49/56) were male. Most exercise related SCAs occurred in public (49/56 87.5%), 83.3% (45/54) were bystander witnessed and 85% (46/54) received bystander CPR. Over 70% (40/56) had a shockable rhythm. The survival rate was 55.4% (31/56). Half of the SCAs collapsed during exercise (49.1%; 26/53) while the other half collapsed within ≤1 hour after exercising (51%; 27/53). Symptom data were available in 46% of patients (23/50) with most experiencing chest pain, dizziness, feeling unwell or seizure just prior to collapse. Conclusions: SCAs during exercise are rare and frequently occur in a public location. Survival is high and may be related to witnessed and public location status. Equal numbers of SCAs collapsed during or ≤ 1 hour of exercising and symptoms were present in almost half. Future research is needed to determine what factors could predict those at highest risk for SCA in order to prevent future events.

Abstract 219: Out-of-Hospital Cardiac Arrest in Vienna 2014

Circulation ◽  
2014 ◽  
Vol 130 (suppl_2) ◽  
Author(s):  
Markus Keferböck ◽  
Philip Datler ◽  
Mario Krammel ◽  
Elisabeth Lobmeyer ◽  
Alexander Nürnberger ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Outcome Measures ◽  
Primary Outcome ◽  
Sudden Cardiac Arrest ◽  
Cerebral Performance Category ◽  
Medical Personnel ◽  
Shockable Rhythm ◽  
Initial Rhythm ◽  
Bystander Cpr ◽  
Hospital Cardiac Arrest

Background: Sudden cardiac arrest (SCA) and especially the out of hospital cardiac arrest (OHCA) is always an urgent situation, which requires well trained medical personnel. The emergency medical system (EMS) in Vienna took part in the Circulation Improving Care (CIRC) trial form 2008 to 2010. In this time they had an additional training. Therefore we revaluated the outcome of OHCA nowadays. Method: Interim report of a prospective observational study of all humans over eighteen, who suffer an OHCA resuscitated by the EMS in Vienna from August 2013 - April 2014. For those patients, who survived 30 days, a cerebral performance category score (CPC) was evaluated. Results: During nine months 701 patients could be investigated and 625 achieved the protocol for this trial. The median age of the patients was 68 years (IQR 59-79) and 399 (64%) were male. Witnessed by bystanders was the cardiac arrest in 359 (57%) patients. In the latter patients restoration of spontaneous circulation (n=223, 36%)(ROSC) and 30 day survival (n=166, 27%) was significantly more often achieved than in patients with non-witnessed cardiac arrest. Bystanders provided chest compressions in 284 (45%) cases and in this subgroup a shockable initial rhythm was more often (p<0.0001). Still in 189 (53%) of the patients where the cardiac arrest was witnessed, bystander resuscitation wasn′t attempted. An initial shockable rhythm was found in 146 (24%) patients with significant better outcome in all primary outcome measures. Of the 62 (10%) 30-days-survivors, 33 (6%) had good neurological outcome with a CPC 1-2.In 12 (2%) cases the CPC was missing. Conclusion: The results are comparable to findings of our previous studies. A significant better result in all primary outcome measures could be found for witnessed OHCA with an initial shockable rhythm. Furthermore those patients with bystander CPR had significant more often a shockable initial rhythm. Therefore more efforts have to be invested into encouraging the community to start with a bystander CPR if an OHCA is witnessed.

Effect of chest-compression-only bystander cardiopulmonary resuscitation on the likelihood of initial shockable rhythm after out-of-hospital cardiac arrest: a propensity matching analysis

2020 ◽  
Vol 41 (Supplement_2) ◽  
Author(s):  
A Funada ◽  
Y Goto ◽  
T Maeda ◽  
H Okada ◽  
M Takamura
Keyword(s):  
Cardiac Arrest ◽  
Chest Compression ◽  
Proportional Hazards ◽  
Proportional Hazards Model ◽  
Cox Proportional Hazards ◽  
Cox Proportional Hazards Model ◽  
Shockable Rhythm ◽  
Significant Difference ◽  
Bystander Cardiopulmonary Resuscitation ◽  
Bystander Cpr

Abstract Background/Introduction Shockable rhythm after cardiac arrest is highly expected after early initiation of bystander cardiopulmonary resuscitation (CPR) owing to increased coronary perfusion. However, the relationship between bystander CPR and initial shockable rhythm in patients with out-of-hospital cardiac arrest (OHCA) remains unclear. We hypothesized that chest-compression-only CPR (CC-CPR) before emergency medical service (EMS) arrival has an equivalent effect on the likelihood of initial shockable rhythm to the standard CPR (chest compression plus rescue breathing [S-CPR]). Purpose We aimed to examine the rate of initial shockable rhythm and 1-month outcomes in patients who received bystander CPR after OHCA. Methods The study included 59,688 patients (age, ≥18 years) who received bystander CPR after an OHCA with a presumed cardiac origin witnessed by a layperson in a prospectively recorded Japanese nationwide Utstein-style database from 2013 to 2017. Patients who received public-access defibrillation before arrival of the EMS personnel were excluded. The patients were divided into CC-CPR (n=51,520) and S-CPR (n=8168) groups according to the type of bystander CPR received. The primary end point was initial shockable rhythm recorded by the EMS personnel just after arrival at the site. The secondary end point was the 1-month outcomes (survival and neurologically intact survival) after OHCA. In the statistical analyses, a Cox proportional hazards model was applied to reflect the different bystander CPR durations before/after propensity score (PS) matching. Results The crude rate of the initial shockable rhythm in the CC-CPR group (21.3%, 10,946/51,520) was significantly higher than that in the S-CPR group (17.6%, 1441/8168, p&lt;0.0001) before PS matching. However, no significant difference in the rate of initial shockable rhythm was found between the 2 groups after PS matching (18.3% [1493/8168] vs 17.6% [1441/8168], p=0.30). In the Cox proportional hazards model, CC-CPR was more negatively associated with the initial shockable rhythm before PS matching (unadjusted hazards ratio [HR], 0.97; 95% confidence interval [CI], 0.94–0.99; p=0.012; adjusted HR, 0.92; 95% CI, 0.89–0.94; p&lt;0.0001) than S-CPR. After PS matching, however, no significant difference was found between the 2 groups (adjusted HR of CC-CPR compared with S-CPR, 0.97; 95% CI, 0.94–1.00; p=0.09). No significant differences were found between C-CPR and S-CPR in the 1-month outcomes after PS matching as follows, respectively: survival, 8.5% and 10.1%; adjusted odds ratio, 0.89; 95% CI, 0.79–1.00; p=0.07; cerebral performance category 1 or 2, 5.5% and 6.9%; adjusted odds, 0.86; 95% CI, 0.74–1.00; p=0.052. Conclusions Compared with S-CPR, the CC-CPR before EMS arrival had an equivalent multivariable-adjusted association with the likelihood of initial shockable rhythm in the patients with OHCA due to presumed cardiac causes that was witnessed by a layperson. Funding Acknowledgement Type of funding source: None

scholarly journals Outcomes of out-of-hospital cardiac arrest in Beijing: a 5-year cross-sectional study

BMJ Open ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. e041917
Author(s):  
Fei Shao ◽  
Haibin Li ◽  
Shengkui Ma ◽  
Dou Li ◽  
Chunsheng Li
Keyword(s):  
Cardiac Arrest ◽  
Urban Areas ◽  
Patient Characteristics ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional ◽  
Term Survival ◽  
Shockable Rhythm ◽  
Bystander Cpr ◽  
Hospital Cardiac Arrest

ObjectiveThe purpose of this study was to assess the trends in outcomes of out-of-hospital cardiac arrest (OHCA) in Beijing over 5 years.DesignCross-sectional study.MethodsAdult patients with OHCA of all aetiologies who were treated by the Beijing emergency medical service (EMS) between January 2013 and December 2017 were analysed. Data were collected using the Utstein Style. Cases were followed up for 1 year. Descriptive statistics were used to characterise the sample and logistic regression was performed.ResultsOverall, 5016 patients with OHCA underwent attempted resuscitation by the EMS in urban areas of Beijing during the study period. Survival to hospital discharge was 1.2% in 2013 and 1.6% in 2017 (adjusted rate ratio=1.0, p for trend=0.60). Survival to admission and neurological outcome at discharge did not significantly improve from 2013 to 2017. Patient characteristics and the aetiology and location of cardiac arrest were consistent, but there was a decrease in the initial shockable rhythm (from 6.5% to 5.6%) over the 5 years. The rate of bystander cardiopulmonary resuscitation (CPR) increased steadily over the years (from 10.4% to 19.4%).ConclusionSurvival after OHCA in urban areas of Beijing did not improve significantly over 5 years, with long-term survival being unchanged, although the rate of bystander CPR increased steadily, which enhanced the outcomes of patients who underwent bystander CPR.

Abstract 170: Challenges in Implementing an ECPR Program for Out of Hospital Cardiac Arrest

Circulation ◽  
2018 ◽  
Vol 138 (Suppl_2) ◽  
Author(s):  
Meshe Chonde ◽  
Jeremiah Escajeda ◽  
Jonathan Elmer ◽  
Frank X Guyette ◽  
Arthur Boujoukos ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Inclusion Criteria ◽  
Extracorporeal Cardiopulmonary Resuscitation ◽  
Implementation Challenges ◽  
Shockable Rhythm ◽  
Bystander Cpr ◽  
Stay And Play ◽  
Load And Go ◽  
Mechanical Cpr ◽  
Hospital Cardiac Arrest

Introduction: Extracorporeal cardiopulmonary resuscitation (ECPR) can treat cardiac arrest refractory to conventional therapy. Many institutions are interested in developing their own ECPR program. However, there are challenges in logistics and implementation. Hypothesis: Development of an ECPR team and identification of UPMC Presbyterian as a receiving center will increase recognition of potential ECPR candidates. Methods: We developed an infrastructure of Emergency Medical Services (EMS), Medic Command, and an in-hospital ECPR team. We identified inclusion criteria for patients with an out of hospital cardiac arrest (OHCA) likely to have a reversible arrest etiology and developed them into a simple checklist. These criteria were: witnessed arrest with bystander CPR, shockable rhythm, and ages 18 to 60. We trained local EMS crews to screen patients and review the checklist with a Command Physician prior to transport to our hospital. Results: From October 2015 to March 31 st 2018, there were 1165 dispatches for OHCA, of which 664 (57%) were treated and transported to the hospital and 120 to our institution. Of these, five patients underwent ECPR. Of the remaining cases, 64 (53%) had nonshockable rhythms, 48 (40%) were unwitnessed arrests, 50 (42%) were over age 60 and the remaining 20 (17%) had no documented reasons for exclusion. Prehospital CPR duration was 26 [IQR 25-40] min. Four patients (80%) underwent mechanical CPR with LUCAS device. Time from arrest to arrive on scene was 5 [IQR 4-6] min and time call MD command was 13 [IQR 7-21] min. Time to transport was 20 [IQR 19-21] min. Time from arrest to initiation of ECMO was 63 [IQR 59-69] min. Conclusions: ECPR is a relatively infrequent occurrence. Implementation challenges include prompt identification of patients with reversible OHCA causes, preferential transport to an ECPR capable facility and changing the focus of EMS in these select patients from a “stay and play” to a “load and go” mentality.

scholarly journals Sudden Cardiac Arrest as the First Manifestation of Takayasu Arteritis

2020 ◽  
pp. 1-2
Author(s):  
Stephane Manzo-Silberman ◽  
Stephane Manzo-Silberman ◽  
Alix de Gonneville ◽  
Martin Nicol ◽  
Sylvie Meireles ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Takayasu Arteritis ◽  
Immunosuppressive Treatment ◽  
Sudden Cardiac Arrest ◽  
Young Patients ◽  
Optimal Care ◽  
Total Occlusion ◽  
Coronary Syndrome ◽  
Shockable Rhythm ◽  
First Case

Management of out-of-hospital cardiac arrest (OHCA) remains challenging, particularly in young patients. Takayasu arteritis is a rare large-vessel vasculitis relatively. Coronary involvement has been previously described; we provided the first intracoronary images by OCT. We report the first case of OHCA with shockable rhythm revealing chronic total occlusion of the left main in a 41-year-old lady. The coronary anomaly made it possible to diagnose the vasculitis and to treat it by corticosteroid and immunosuppressive treatment. Vasculitis should be evoked in atypical coronary syndrome in young patients. A collaborative multidisciplinary approach permits optimal care for this complex patient.

Abstract 284: Association of Neurological Outcome and Survival With Interventions by Bystander and Emergency Medical Service for Unwitnessed Out-of-Hospital Cardiac Arrest Patient; Results From the JCS-ReSS Study

Circulation ◽  
2018 ◽  
Vol 138 (Suppl_2) ◽  
Author(s):  
Chisato Okamoto ◽  
Yoshio Tahara ◽  
Atsushi Hirayama ◽  
Satoshi Yasuda ◽  
Teruo Noguchi ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Airway Management ◽  
Emergency Medical Service ◽  
Neurological Outcome ◽  
Medical Service ◽  
Favorable Outcome ◽  
Shockable Rhythm ◽  
Advanced Airway ◽  
Bystander Cpr ◽  
Hospital Cardiac Arrest

Introduction: Although studies have shown that bystander cardiopulmonary resuscitation (CPR) in witnessed out-of-hospital cardiac arrest (OHCA) is associated with better neurological prognosis, whether bystander and Emergency Medical Service (EMS) interventions are associated with prognosis in unwitnessed OHCA patients is not fully elucidated. We aimed to investigate the prognostic importance of bystander and EMS interventions among unwitnessed OHCA patients in Japan. Methods and Results: This study was a nation-wide population-based observational study of OHCA in Japan from 2011 to 2015 based on data from the All-Japan Utstein Registry. The outcome measures were neurological outcome and survival at 30-day. The neurologically favorable outcome was defined as Glasgow-Pittsburgh cerebral performance category score 1 or 2. First, to investigate the effectiveness of bystander interventions, we included 105,655 unwitnessed cardiogenic OHCA patients (aged 18-80 years). Of these, 1,614 (1.5%) showed neurologically favorable outcome and 3,273 (3.1%) survived at 30-day. Multivariate logistic regression analysis adjusting for age, sex, geographical region, year and EMS response time showed that bystander CPR was associated with neurologically favorable outcome (adjusted odds ratio [aOR] 1.49, 95% CI 1.35-1.65, P<0.001). Additionally, to investigate the effectiveness of EMS interventions for patients with non-shockable rhythm, we examined 43,342 patients who were performed public CPR and had the initial rhythm of pulseless electrical activity (PEA) or asystole. Of these, 101 (0.2%) showed neurologically favorable outcome and 453 (1.0%) were survival at 30-day. Advanced airway management by EMS was negatively associated with neurologically favorable outcome (aOR 0.55, 95% CI 0.37-0.81, P=0.003) and administration of epinephrine by EMS was associated with survival (aOR 2.35, 95% CI 1.89-2.92, P<0.001). Conclusions: Among unwitnessed OHCA patients, bystander CPR was associated with neurologically favorable prognosis. For unwitnessed OHCA patients with non-shockable rhythm, epinephrine administration was associated with survival, but advanced airway management was negatively associated with neurological outcome.

Abstract 24: Sex Differences in Outcomes After Out-of-Hospital Cardiac Arrest Patients: Insights From the Resuscitation Outcomes Consortium Continuous Chest Compression Trial

Circulation ◽  
2018 ◽  
Vol 138 (Suppl_2) ◽  
Author(s):  
Purav Mody ◽  
Ambarish Pandey ◽  
Rohan Khera ◽  
Colby Ayers ◽  
Mark Link ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Chest Compression ◽  
Regression Models ◽  
Neurological Function ◽  
Future Studies ◽  
Logistic Regression Models ◽  
Shockable Rhythm ◽  
Bystander Cpr ◽  
Sex Disparities ◽  
Hospital Cardiac Arrest

Background: Previous studies examining sex-based differences among out-of-hospital cardiac arrest (OHCA) patients have been conflicting. Methods: Patients with OHCA enrolled in the Continuous Chest Compression trial between 2011 and 2016 were included in the present analysis. Hierarchical multivariable logistic regression models were constructed to evaluate the association between sex and sustained ROSC i.e. ROSC on ER arrival, discharge survival and survival with favorable neurological function after adjustment for age, witnessed status, presenting rhythm, public location, bystander CPR, resuscitation duration, and EMS response time. Results: Among 22,540 OHCA patients, 8,099 (35.9%) were women. Women were older (median 71 vs. 67 years), received less bystander CPR (45% vs. 47%), and had a lower proportion of cardiac arrests that were witnessed (39% vs. 45%) or had an initial shockable rhythm (15% vs. 28%, p<= 0.001 for all). There was no difference in sustained ROSC rates (24.7% vs. 24.8%, p=0.7) but discharge survival (6.5% vs. 10.3%, p<0.001) and survival with favorable neurological function (4.9 vs. 8.6%, p<0.001) were significantly lower in women (vs. men). In adjusted analysis, women (vs. men) had significantly higher likelihood of sustained ROSC ( Table ) but no difference in likelihood of discharge survival and survival with favorable neurological function. In the adjusted landmark analysis beginning after achieving ROSC, women had significantly lower likelihood of discharge survival and survival with favorable neurological function ( Table ) . Conclusions: Among resuscitated OHCA patients, women have a higher likelihood of achieving sustained ROSC despite a higher burden of poor prognostic factors. However, after successful ROSC, the likelihood of discharge survival is significantly lower in women (vs. men). Future studies are needed to understand how care provided post-ROSC may modify the sex-disparities in discharge survival outcomes.

Biocompatible implantable antimicrobial release for necrotizing external otitis

1991 ◽  
Vol 105 (4) ◽  
pp. 252-256
Author(s):  
E. J. Ostfeld ◽  
A. Kupferberg
Keyword(s):  
Cardiac Arrest ◽  
Clinical Symptoms ◽  
Sudden Cardiac Arrest ◽  
The Other ◽  
External Otitis ◽  
Therapeutic Modality ◽  
Antibiotic Administration ◽  
Post Implantation ◽  
Necrotizing External Otitis

AbstractThe efficacy of a biocompatible, surgically implantable, antimicrobial release system (IARS) as the exclusive antimicrobial therapy of necrotizing external otitis (NEO) was evaluated in six NEO patients. Gentamicin incorporated polymethyl-methacrylate beads were implanted, following surgical debridement and were removed two months later. Post-implantation alleviation of clinical symptoms: pain, periauricular tissue swelling, otorrhoea, eradication of pseudomonal infection (100 per cent) and substantially shortened hospitalization (4–15 days) were the salient results of this therapeutic modality. Three patients recovered. Two patients who died, one of sudden cardiac arrest and the other of paralytic ileus, 15 and 60 days postoperatively while the beads were still implanted, were symptomless. Recurrence was seen in one patient with early bead extrusion. Ipsilateral sensorineural hearing loss (one patient) and external meatal stenosis were the main complications. IARS appears to offer an effective alternative to long-term systemic antibiotic administration for the eradication of NEO-pseudomonal infection in patients who are sensitive, develop resistance, or when quinolone medical treatment has failed or is contra-indicated.

scholarly journals Age-related differences in the prehospital management of 2,500 patients with sudden cardiac arrest

2021 ◽  
Author(s):  
Janusz Sielski ◽  
Karol Kaziród-Wolski ◽  
Marta Solnica ◽  
Mirosław Data ◽  
Dominika Kukla ◽  
...  
Keyword(s):  
Cardiac Arrest ◽  
Urban Area ◽  
Older Patients ◽  
Prehospital Care ◽  
Age Groups ◽  
Sudden Cardiac Arrest ◽  
Risk Of Death ◽  
Shockable Rhythm ◽  
Age Related ◽  
Prehospital Management

IntroductionPrehospital care affects outcomes after out-of-hospital cardiac arrest (OHCA). The aim of the study is to analyze age-related differences in prehospital care and survival after OHCA and to define variables affecting the efficacy of cardiopulmonary resuscitation (CPR).Material and methodsAnalysis of differences in patient characteristics influencing the efficacy of CPR. Analysis of survival in four age groups: < 65, 65 - 74, 75 - 84, and ≥85. This retrospective registry-based study aimed to compare prehospital care in OHCA patients across age groups.ResultsCPR was performed in 2,500 patients, return of spontaneous circulation (ROSC) occurred in 1061 subjects. Of them, 339 had incomplete medical records, 201 survived at least 24 hours, 115 up to 30 days and 78 were alive at 365 days after discharge. The occurrence of shockable rhythms and the ROSC rate decreased with age. Overall mortality increased with age. Such factors as age, gender, urban area, home location, time to arrival, and witnessed OHCA were predictors of the initial shockable rhythm. Gender, urban area, OHCA witnessed by family member, time to arrival, cardiac cause and shockable rhythm were predictors of ROSC. The risk of death increased with each age group by about 56% (HR = 1.56, P < 0.0001).ConclusionsShockable initial rhythm and urban location were the strongest predictors of ROSC. Survival at 30 and 365 days after OHCA decreased in older patients. Survival among older patients with OHCA is worse as compared to younger subjects which results from lower efficacy of resuscitation and more frequent death declared upon arrival.

scholarly journals Race Differences in Interventions and Survival After Out‐of‐Hospital Cardiac Arrest in North Carolina, 2010 to 2014

2021 ◽  
Author(s):  
Sidsel Moeller ◽  
Carolina M. Hansen ◽  
Kristian Kragholm ◽  
Matt E. Dupre ◽  
Comilla Sasson ◽  
...  
Keyword(s):  
North Carolina ◽  
Cardiac Arrest ◽  
First Responder ◽  
Probability Of Survival ◽  
Shockable Rhythm ◽  
Black Patients ◽  
Bystander Cardiopulmonary Resuscitation ◽  
Carolina Population ◽  
Patient Groups ◽  
Bystander Cpr

Background Following the implementation of the HeartRescue project, with interventions in the community, emergency medical services, and hospitals to improve care and outcomes for out‐of‐hospital cardiac arrests (OHCA) in North Carolina, improved bystander and first responder treatments as well as survival were observed. This study aimed to determine whether these improvements were consistent across Black versus White individuals. Methods and Results Using the Cardiac Arrest Registry to Enhance Survival (CARES), we identified OHCA from 16 counties in North Carolina (population 3 million) from 2010 to 2014. Temporal changes in interventions and outcomes were assessed using multilevel multivariable logistic regression, adjusted for patient and socioeconomic neighborhood‐level factors. Of 7091 patients with OHCA, 36.5% were Black and 63.5% were White. Black patients were younger, more females, had more unwitnessed arrests and non‐shockable rhythm (Black: 81.0%; White: 75.4%). From 2010 to 2014, the adjusted probabilities of bystander cardiopulmonary resuscitation (CPR) went from 38.5% to 51.2% in White, P <0.001; and 36.9% to 45.6% in Black, P =0.002, and first‐responder defibrillation went from 13.2% to 17.2% in White, P =0.002; and 14.7% to 17.3% in Black, P =0.16. From 2010 to 2014, survival to discharge only increased in White (8.0% to 11.4%, P =0.004; Black 8.9% to 9.5%, P =0.60), though, in shockable patients the probability of survival to discharge went from 24.8% to 34.6% in White, P =0.02; and 21.7% to 29.0% in Black, P =0. 10. Conclusions After the HeartRescue program, bystander CPR and first‐responder defibrillation increased in both patient groups; however, survival only increased significantly for White patients.

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