Quality of care for sudden cardiac arrest: Proposed steps to improve the translation of evidence into practice

The American Heart Association Emergency Cardiovascular Care 2030 Impact Goals and Call to Action to Improve Cardiac Arrest Outcomes: A Scientific Statement From the American Heart Association

Every 10 years, the American Heart Association (AHA) Emergency Cardiovascular Care Committee establishes goals to improve survival from cardiac arrest. These goals align with broader AHA Impact Goals and support the AHA's advocacy efforts and strategic investments in research, education, clinical care, and quality improvement programs. This scientific statement focuses on 2030 AHA emergency cardiovascular care priorities, with a specific focus on bystander cardiopulmonary resuscitation, early defibrillation, and neurologically intact survival. This scientific statement also includes aspirational goals, such as establishing cardiac arrest as a reportable disease and mandating reporting of standardized outcomes from different sources; advancing recognition of and knowledge about cardiac arrest; improving dispatch system response, availability, and access to resuscitation training in multiple settings and at multiple time points; improving availability, access, and affordability of defibrillators; providing a focus on early defibrillation, in-hospital programs, and establishing champions for debriefing and review of cardiac arrest events; and expanding measures to track outcomes beyond survival. The ability to track and report data from these broader aspirational targets will potentially require expansion of existing data sets, development of new data sets, and enhanced integration of technology to collect process and outcome data, as well as partnerships of the AHA with national, state, and local organizations. The COVID-19 (coronavirus disease 2019) pandemic, disparities in COVID-19 outcomes for historically excluded racial and ethnic groups, and the longstanding disparities in cardiac arrest treatment and outcomes for Black and Hispanic or Latino populations also contributed to an explicit focus and target on equity for the AHA Emergency Cardiovascular Care 2030 Impact Goals.

Socioeconomic disparities in prehospital cardiac arrest outcomes: An analysis of the NEMSIS database

BACKGROUND

Socioeconomic disparities are engrained in the US healthcare system and may extend to the prehospital cardiac arrest setting where mortality is high.

METHODS

Using the National Emergency Medical Services Information System (NEMSIS) database, 150,003 cases were analyzed comparing socioeconomic status and cardiac arrest outcomes. Cardiac arrest outcomes were measured by the percent of cases that achieved return of spontaneous circulation (ROSC) and the percent of cases in which ROSC occurred in the Emergency Department (ED) as opposed to a prehospital setting which was a proxy for the length of time spent in cardiac arrest. Chi-square tests checked for statistical significance and effect size was measured using Pearson's r values and linear regression coefficients.

RESULTS

Comparing neighborhood poverty level and the percent of cardiac arrest cases that achieved ROSC resulted in a Pearson's r value of 0.9424 (R² = 0.8881, p < 0.005) and a linear regression coefficient of 2.088 (p < 0.05, R² = 0.8881, 95% CI [1.059, 3.117]) meaning for every interval increase in poverty, the chance of an individual in cardiac arrest achieving ROSC decreases 2.09%. Comparing neighborhood poverty level and the percent of ROSC cases that occurred in the ED yielded a Pearson's r value of 0.9005 (R² = 0.8109, p < 0.05) and a linear regression coefficient of 0.7701 (p < 0.05, R² = 0.8109, 95% CI [0.254, 1.286]) meaning for every interval increase in poverty, the chance that ROSC is delayed increases 0.77%.

CONCLUSIONS

Low income individuals in cardiac arrest have a statistically significant lower probability of achieving ROSC and a higher chance of delayed ROSC.

Inpatient bariatric surgery among eligible black and white men and women in the United States, 1999-2010

OBJECTIVES

We examined national trends in bariatric surgery for adults, focusing on differences in utilization by race and access to health care.

METHODS

We analyzed subjects eligible for bariatric surgery in the National Hospital Discharge Survey and the National Health and Nutrition Examination Survey for 1999-2010. Primary outcome measures included population-based estimates and comparison of blacks and whites eligible for surgery with those who actually received it.

RESULTS

A higher percentage of black than white women and of black than white men were eligible for bariatric surgery. But a higher proportion of eligible white women and men than black women and men received bariatric surgery. 69.8% of eligible white women and 72.9% of white women who received bariatric surgery had private health insurance, compared with 49.9% and 71.1% of black women. 71.4% of eligible white men and 75.9% of white men who received bariatric surgery had private health insurance, compared with 52.4% and 74.7% of black men. Among men eligibility and surgery rates were lower than for women of the same race, and significant differences were found by race in the same directions as for women.

CONCLUSIONS

Eligible whites received bariatric surgery at higher levels than eligible blacks, apparently partly because of differences in insurance coverage.

Factors predicting the use of therapeutic hypothermia and survival in unconscious out-of-hospital cardiac arrest patients admitted to the ICU

INTRODUCTION

Therapeutic hypothermia (TH) after out-of-hospital cardiac arrest (OHCA) was adopted early in Norway. Since 2004 the general recommendation has been to cool all unconscious OHCA patients treated in the intensive care unit (ICU), but the decision to cool individual patients was left to the responsible physician. We assessed factors that were associated with use of TH and predicted survival.

METHOD

We conducted a retrospective observational study of prospectively collected cardiac arrest and ICU registry data from 2004 to 2008 at three university hospitals.

RESULTS

A total of 715 unconscious patients older than 18 years of age, who suffered OHCA of both cardiac and non-cardiac causes, were included. With an overall TH use of 70%, the survival to discharge was 42%, with 90% of the survivors having a favourable cerebral outcome. Known positive prognostic factors such as witnessed arrest, bystander cardio pulmonary resuscitation (CPR), shockable rhythm and cardiac origin were all positive predictors of TH use and survival. On the other side, increasing age predicted a lower utilisation of TH: Odds Ratio (OR), 0.96 (95% CI, 0.94 to 0.97); as well as a lower survival: OR 0.96 (95% CI, 0.94 to 0.97). Female gender was also associated with a lower use of TH: OR 0.65 (95% CI, 0.43 to 0.97); and a poorer survival: OR 0.57 (95% CI, 0.36 to 0.92). After correcting for other prognostic factors, use of TH remained an independent predictor of improved survival with OR 1.91 (95% CI 1.18-3.06; P <0.001). Analysing subgroups divided after initial rhythm, these effects remained unchanged for patients with shockable rhythm, but not for patients with non-shockable rhythm where use of TH and female gender lost their predictive value.

CONCLUSIONS

Although TH was used in the majority of unconscious OHCA patients admitted to the ICU, actual use varied significantly between subgroups. Increasing age predicted both a decreased utilisation of TH as well as lower survival. Further, in patients with a shockable rhythm female gender predicted both a lower use of TH and poorer survival. Our results indicate an underutilisation of TH in some subgroups. Hence, more research on factors affecting TH use and the associated outcomes in subgroups of post-resuscitation patients is needed.

Performance measures to promote quality improvement in sudden cardiac arrest prevention and treatment

Sudden cardiac arrest (SCA) is one of the most impactful public health problems in the United States. Despite the progress made in reducing the number of cardiac deaths, the incidence of sudden cardiac death remains high. Studies of life-saving interventions for prevention and treatment of SCA, like β-blockers, aldosterone antagonists, implantable cardioverter defibrillator therapy, automated external defibrillators, and cardiopulmonary resuscitation, have brought to light substantial underutilization, variations in care, and disparities. Thus, a comprehensive systems-based approach to addressing these gaps in care should be implemented. In addition to educating stakeholders about SCA and its prevention and developing tools that could help physicians identify patients who could benefit from primary prevention of SCA, robust performance measures with strong, evidence-based association between process performance and patient outcomes are needed. In this article, we review the burden of SCA and highlight the need to develop performance measures related to the prevention and treatment of SCA.