Resuscitation
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This study aimed to investigate the effect of the head-up position implemented during cardiopulmonary resuscitation (CPR) on cerebral blood flow (CBF) using near-infrared spectroscopy in out-of-hospital cardiac arrest patients. ⋯ CBF increased when the head-up position was used during CPR in non-traumatic out-of-hospital cardiac arrest patients.
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Observational Study
Intra-Cardiac Arrest Transport and Survival from Out-of-Hospital Cardiac Arrest: A Nationwide Observational Study.
To assess whether intra-cardiac arrest transport as compared to continued on-scene resuscitation was associated with improved clinical outcomes among out-of-hospital cardiac arrest patients in Denmark. ⋯ Among patients aged 18-65 years, intra-cardiac arrest transport was associated with a non-significant increase in survival within 20 minutes of EMS on-scene arrival. However, the results did not eliminate the potential for bias and the results should be interpreted carefully.
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A commentary on D. K. Lee et al and "head's-up" CPR.
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Pressure reactivity index (PRx) provides a surrogate measurement of cerebrovascular autoregulation (CAR). We determined whether deviations from PRx-derived optimal mean arterial pressure (MAPopt) were associated with in-hospital mortality after adult cardiac arrest. ⋯ A greater burden of MAP below PRx-derived MAPopt-5 was associated with mortality after cardiac arrest. Non-survivors had a narrower range of intact CAR than survivors.
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To determine the epidemiological characteristics, temporal trends and survival outcomes of OHCAs precipitated by chemical asphyxiation. ⋯ OHCA precipitated by chemical asphyxiation is relatively infrequent and associated with poor survival outcomes.