Resuscitation
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Observational Study
Lactate and hypotension as predictors of mortality after in-hospital cardiac arrest.
Guidance on post-cardiac arrest prognostication is largely based on data from out-of-hospital cardiac arrest (OHCA), despite clear differences between the OHCA and in-hospital cardiac arrest (IHCA) populations. Early prediction of mortality after IHCA would be useful to help make decisions about post-arrest care. We evaluated the ability of lactate and need for vasopressors after IHCA to predict hospital mortality. ⋯ Post-ROSC lactate and need for vasopressors may be helpful in stratifying mortality risk in patients requiring mechanical ventilation after IHCA.
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Observational Study
Socioeconomic Disparities in Rapid Ambulance Response for Out-of-Hospital Cardiac Arrest in a Public Emergency Medical Service System: A Nationwide Observational Study.
This study aimed to examine whether county socioeconomic status (SES) is associated with emergency medical service (EMS) response time and dual dispatch response of out-of-hospital cardiac arrest (OHCA) patients using county property tax per capita in Korea. ⋯ In OHCA patients, those in a lower SES are associated with longer response times and lower dual dispatch response.
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Observational Study
Impact of temporal changes in the epidemiology and management of traumatic out-of-hospital cardiac arrest on survival outcomes.
We aimed to investigate the impact of temporal changes in the epidemiology and management of traumatic out-of-hospital cardiac arrest (OHCA) on emergency medical service (EMS) attempted resuscitations and survival outcomes. ⋯ Despite higher rates of bystander CPR and EMS trauma interventions, rates of survival following traumatic OHCA did not change over time in our region. More studies are needed to investigate the optimal EMS interventions for improved survival in traumatic OHCA.
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Maintenance of cardiac function is required for successful outcome after out-of-hospital cardiac arrest (OHCA). Cardiac function can be augmented using a mechanical circulatory support (MCS) device, most commonly an intra-aortic balloon pump (IABP) or Impella®. ⋯ Use of MCS was infrequent in patients resuscitated from OHCA and was not independently associated with improvement in post arrest survival after adjusting for covariates.
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Emergency Medical Services (EMS) are often involved in end-of-life circumstances, yet little is known about how EMS interfaces with advance directives to forego unwanted resuscitation (Do Not Attempt Resuscitation (DNAR)). We evaluated the frequency of these directives involved in out-of-hospital cardiac arrest (OHCA) and how they impact care. ⋯ Approximately 10% of EMS-attended OHCA involved DNAR. EMS typically fulfilled this end-of-life preference, though wishes were challenged by delayed directive presentation or contradictory family wishes.