Resuscitation
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Observational Study
Performance of clinical risk scores to predict mortality and neurological outcome in cardiac arrest patients.
Several scores are available to predict mortality and neurological outcome in cardiac arrest patients admitted to the intensive care unit (ICU). The aim of the study was to externally validate the prognostic value of four previously published risk scores. ⋯ This study confirms the good prognostic performance of cardiac arrest specific scores to predict mortality and neurological outcomes in cardiac arrest patients. Routine use of OHCA or CAHP score helps to objectively risk stratify these vulnerable patients and thereby may improve therapeutic decisions.
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Although the prevention and treatment of cardiovascular conditions have significantly improved over the past decade, whether they have reduced the incidence of sudden cardiac death (SCD) is not known. We sought to evaluate the temporal trends of SCD in a large unselected population. ⋯ Although significant progress to reduce SCD among patients with cardiac conditions was made in the past decade, additional effort should focus on the prevention of SCD in individuals without heart disease.
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The impact of prehospital physician care for out-of-hospital cardiac arrest (OHCA) on long-term neurological outcome is unclear. We aimed to determine the association between emergency medical services (EMS) physician-led cardiopulmonary resuscitation (CPR) versus paramedic-led CPR and neurologically intact survival after OHCA. ⋯ Within the limitations of this retrospective observational research, EMS physician-led CPR for OHCA was associated with improved 1-month neurologically intact survival compared with paramedic-led CPR. However, neurologically intact survival was similar for patients aged <18 years and those receiving bystander defibrillation.
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Guidelines recommend constant or escalating energy levels for shocks after the initial defibrillation attempt. Studies comparing survival to hospital discharge with escalating vs fixed high energy level shocks are lacking. We compared survival to hospital discharge for 200 J escalating to 360 J vs fixed 360 J in patients with initial ventricular fibrillation/pulseless ventricular tachycardia in a post-hoc analysis of the Circulation Improving Resuscitation Care trial database. ⋯ There was no difference in survival to hospital discharge or the frequency of TOF between escalating energy and fixed-high energy group. ClinicalTrials.gov Identifier: NCT00597207.
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Observational Study
Reasons for death in patients successfully resuscitated from out-of-hospital and in-hospital cardiac arrest.
There is no standard for categorizing reasons for death in those who achieve return of spontaneous circulation (ROSC) after cardiac arrest but die before hospital discharge. Categorization is important for comparing outcomes across studies, assessing benefits of interventions, and developing quality-improvement initiatives. We developed and tested a method for categorizing reasons for death after cardiac arrest in both in-hospital (IHCA) and out-of-hospital (OHCA) arrests. ⋯ Categorizing reasons for death after cardiac arrest with ROSC is feasible using our proposed categories, with substantial inter-rater agreement. Neurologic withdrawal of care is much less common in IHCA than OHCA, which may have implications for further research.