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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A multimodal approach is advised for neurological prognostication in comatose patients after out-of-hospital cardiac arrest (OHCA). Grey-white matter differentiation (grey-white ratio, GWR) obtained from a brain CT scan performed < 24 hours after return of circulation can be part of this approach. The aims of this study were to investigate the frequency and method of reporting the GWR in brain CT scan reports and their association with outcome. ⋯ GWR was frequently described in CT scan reports. Early abnormal GWR, as assessed qualitatively by a radiologist within 24 hours after ROSC, was a poor predictor of neurological prognosis.
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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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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.