Resuscitation
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Veno-arterial extracorporeal membrane oxygenation (ECMO) is rapidly evolving as bailout option in patients with refractory cardiogenic shock after cardiovascular surgery (CV). Cardiac arrest represents a common and severe complication in the immediate post-operative phase. We therefore evaluated the impact of cardiac arrest at time of ECMO implantation on short- and long-term mortality in patients following CV surgery. ⋯ Cardiac arrest did not affect short-tem and long-term mortality in a large cohort of patients with therapy refractory cardiogenic shock undergoing ECMO support following CV surgery. Our results suggest that the decision to initiate ECMO support in this specific patient population should not be influenced by the occurrence of cardiac arrest.
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Comparative Study
A Quantitative Comparison of Physiologic Indicators of Cardiopulmonary Resuscitation Quality: Diastolic Blood Pressure Versus End-Tidal Carbon Dioxide.
The American Heart Association (AHA) recommends monitoring invasive arterial diastolic blood pressure (DBP) and end-tidal carbon dioxide (ETCO2) during cardiopulmonary resuscitation (CPR) when available. In intensive care unit patients, both may be available to the rescuer. The objective of this study was to compare DBP vs. ETCO2 during CPR as predictors of cardiac arrest survival. ⋯ In both primary and asphyxia-associated VF porcine models of cardiac arrest, DBP discriminates survivors from non-survivors better than ETCO2. Failure to attain a DBP >34mmHg during CPR is highly predictive of non-survival.
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Observational Study
ECG patterns in early pulseless electrical activity-associations with aetiology and survival of in-hospital cardiac arrest.
Pulseless electrical activity (PEA) is an increasingly common presentation in cardiac arrest. The aim of this study was to investigate possible associations between early ECG patterns in PEA and the underlying causes and survival of in-hospital cardiac arrest (IHCA). ⋯ Abnormal ECG patterns were frequent at the early stage of in-hospital PEA. No unique patterns were associated with the underlying causes or survival.
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Unintentional drowning is a significant public health concern in the United States and represents a leading cause of death in the pediatric population. Extracorporeal life support (ECLS) may be used to support drowning victims, but outcomes have not been well defined. This study examined survival rates and risk factors for death in this population. ⋯ Outcomes in drowning victims supported with ECLS are encouraging; particularly in patients who do not experience cardiac arrest. These data suggest that early initiation of ECLS in drowning patients with respiratory insufficiency may be beneficial to reduce the likelihood of complete cardiopulmonary failure and ECPR. Additionally, ECLS appears to improve survival in patients who experience post-drowning cardiac arrest.
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Observational Study
Temporal trends in survival after out-of-hospital cardiac arrest in patients with and without underlying chronic obstructive pulmonary disease.
Survival after out-of-hospital cardiac arrest (OHCA) has tripled during the past decade in Denmark as a likely result of improvements in cardiac arrest management. This study analyzed whether these improvements were applicable for patients with chronic obstructive pulmonary disease (COPD). ⋯ Despite generally improved 30-day survival after OHCA over time, no improvement was observed in 30-day survival in COPD patients.