Resuscitation
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Stagnant survival rates in out-of-hospital cardiac arrest remain a great impetus for advancing resuscitation science. International resuscitation guidelines, with all their advantages for standardizing resuscitation therapeutic protocols, can be difficult to change. A formalized evidence-based process has been adopted by the International Liason Committee on Resuscitation (ILCOR) in formulating such guidelines. ⋯ In Tucson, Arizona (USA), the Fire Department cardiac arrest database has revealed a number of resuscitation issues. These include a poor bystander CPR rate, a lack of response to initial defibrillation after prolonged ventricular fibrillation, and substantial time without chest compressions during the resuscitation effort. A local change in our previous resuscitation protocols had been instituted based upon this historical database information.
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It has been calculated that, on average, 20% of the population should be trained to provide first aid, if a significant reduction of mortality is to be achieved. However, wide dissemination of the principles of emergency care poses a series of difficulties. As a partial solution, we have designed a first aid training course for children aged 8-11 years in their last three courses at primary school. ⋯ However, when comparing Group A and Group B in each class, the children that had also been exposed to the practical training (Group B) scored significantly better (V(B) versus V(A) p < 0.001; IV(B) versus IV(A) p < 0.001; III(B) versus III(A) p < 0.01). In conclusion, this proposed method of teaching emergency first aid could be successful in training primary school children. The permanent integration of the subject into the core curriculum of primary schools, and extended to higher school levels, could help in disseminating the culture of emergency care in the general population.
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From April 2000 to November 2002, the Department of Health (England) placed 681 automated external defibrillators (AEDs) in 110 public places for use by volunteer lay first responders. An audit has been undertaken of the first 250 deployments, of which 182 were for confirmed cardiac arrest. Of these, 177 were witnessed whilst 5 occurred in situations that were remote or initially inaccessible to the responders. ⋯ When data quality permitted, the downloads were analysed with special reference to the numbers of compressions given and also to interruptions in compression sequences for ventilations, for rhythm analysis by the AED, for clinical checks, and for unexplained operator delays. The average rate of compressions during sequences was 120 min(-1), but because of interruptions, the actual number administered over a full minute from the first CPR prompt was a median of only 38. The speed of response by the lay first responders in relation to AED use was similar to that reported for healthcare professionals.
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Mild therapeutic hypothermia has shown to improve neurological outcome after cardiac arrest. Our study investigated the efficacy and safety of cold simple intravenous infusions for induction of hypothermia after cardiac arrest preceding further cooling and maintenance of hypothermia by specialised endovascular cooling. ⋯ Our results indicate that induction of mild hypothermia with infusion of cold fluids preceding endovascular cooling is safe and effective.