Resuscitation
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Multicenter Study
The Resuscitation Outcomes Consortium Epistry-Trauma: design, development, and implementation of a North American epidemiologic prehospital trauma registry.
Injury is a major public health problem generating substantial morbidity, mortality, and economic burden on society. The majority of seriously injured persons are initially evaluated and cared for by prehospital providers, however the effect of emergency medical services (EMS) systems, EMS clinical care, and EMS interventions on trauma patient outcomes is largely unknown. ⋯ In this paper, we describe the background, design, development, implementation, content, and potential uses of the first North American comprehensive epidemiologic prehospital data registry for injured persons. This data registry samples patients from 264 EMS agencies transporting to 287 acute care hospitals in both the United States and Canada.
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Multicenter Study Comparative Study
Cardiac arrest in the Emergency Department: a report from the National Registry of Cardiopulmonary Resuscitation.
Little is known about cardiac arrests (CA) in the Emergency Department (ED). The objective of this study was to determine the characteristics of ED CAs. ⋯ ED CAs have unique characteristics, and better survival and neurologic outcomes compared to other hospital locations. Primary ED CAs have a better chance of survival to discharge than recurrent events. Traumatic ED CAs have worse outcomes than non-traumatic CA.
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An intention in 2003 to undertake a multicentre trial in the United Kingdom of compressions before and after defibrillation could not be realized because of concerns at the time in relation to informed consent. Instead, the new protocol was introduced in one ambulance service, ahead of the 2005 Guidelines, with greater emphasis on compressions. ⋯ The introduction of metronomes and the provision of feedback to crews led to major improvements in performance. Our experience has implications for the emergency pre-hospital care of cardiac arrest.
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This controlled, prospective, randomized porcine study tests the hypothesis that high-dose hyperbaric oxygen (HDHBO2) compared with normobaric oxygen (NBO2) or standard-dose hyperbaric oxygen (SDHBO2), improves return of sustained spontaneous circulation (ROSC) after a normothermic, normobaric, 25-min, non-intervened-upon cardiopulmonary arrest. The study incorporated a direct mechanical ventricular assist device (DMVAD) for open chest continuous cardiac compressions (OCCC) to assist advanced cardiac life support (ACLS). The experiment demonstrates a dose response to oxygen concentration in the breathing mix used in resuscitative ventilation. ⋯ Our results show significantly sustained ROSC using HDHBO2 to resuscitate swine after a 25-min, non-intervened-upon, normothermic cardiopulmonary arrest. These results could not be achieved using NBO2 or SDHBO2.
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Early cooling of resuscitated patients improves neurological outcome. Out-of hospital initiation of cooling is uncommon however for mainly practical reasons. Using burn dressings in the out-of-hospital care could initiate brain cooling in an early stage and therefore be of value; the method is easily adaptable by ambulance crews. The influence of burn dressings on brain temperature is however unknown. We determined tympanic temperature changes as proxy for brain temperature in healthy volunteers after the application of cooling dressings to face and neck as a proof of concept study. ⋯ Burn dressings could be of value in the early initiation of brain cooling in resuscitated patients. This study warrants further research to the effect of burnshield dressings on neurological activity and the effect on outcome after resuscitation.