Resuscitation
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To explore the molecular mechanisms by which mild hypothermia following resuscitation improves neurological function in a porcine model of cardiac arrest. ⋯ Brain protection induced by hypothermia involves inhibition of inflammatory and brain edema pathways.
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Randomized Controlled Trial
A randomized trial of compression first or analyze first strategies in patients with out-of-hospital cardiac arrest: results from an Asian community.
It is still under debate whether a period of cardiopulmonary resuscitation should be performed prior to rhythm analysis for defibrillation for out of hospital cardiac arrests (OHCA). This study compared outcomes of OHCA treated by "compression first" (CF) versus "analyze first" (AF) strategies in an Asian community with low rates of shockable rhythms. ⋯ In this study population of low rates of shockable rhythms, there was no difference in ROSC for CF or AF strategies. Considering the EMS operation situations, a period of paramedic-administered CPR for up to 10 cycles prior to rhythm analysis could be a feasible strategy in this community.
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The incidence and timing of electrographic seizures and epileptiform activity in comatose, adult, post-cardiac arrest syndrome (PCAS) patients treated with therapeutic hypothermia (TH) have not been extensively investigated. We hypothesized that onset most frequently occurs within the first 24 h post-arrest and is associated with poor neurologic outcome. ⋯ Electrographic seizures and epileptiform activity are common cEEG findings in comatose, PCAS patients treated with TH. In this preliminary study, most seizures were status epilepticus, had onset prior to rewarming, evolved from prior interictal epileptiform activity, and were associated with short-term mortality and poor neurologic outcome. Larger, prospective studies are needed to further characterize seizure activity in comatose post-arrest patients.
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Treatment with pharmacological agents is frequently required during cardiopulmonary resuscitation efforts and almost always during the post-resuscitation period. However, the lack of scientific evidence, the potent side effects and the association of resuscitation drugs with poor outcome act as a disincentive for their use. ⋯ In addition, there is evidence that magnetic nanotechnology may be used in the detection of post-cardiac arrest brain injury. In the light of poor survival of cardiac arrest victims, research in cardiopulmonary resuscitation should focus on this promising technology as soon as possible.