Resuscitation
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Comparative Study
Very high survival among patients defibrillated at an early stage after in-hospital ventricular fibrillation on wards with and without monitoring facilities.
The association between the interval between collapse and defibrillation and outcome is well described in out of hospital cardiac arrest but not as well in in-hospital cardiac arrest. We report the outcome among patients who suffered an in-hospital cardiac arrest and were found in ventricular fibrillation (VF) with the emphasis on the delay to defibrillation. ⋯ If patients with in hospital VF were defibrillated early in both monitored and non monitored wards survival to hospital discharge was high. This highlights the importance of being prepared for the rapid defibrillation on wards without monitoring facilities.
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Randomized Controlled Trial Comparative Study
Out-of-hospital cardiac arrest rectilinear biphasic to monophasic damped sine defibrillation waveforms with advanced life support intervention trial (ORBIT).
Although biphasic defibrillation waveforms appear to be superior to monophasic waveforms in terminating VF, their relative benefits in out-of-hospital resuscitation are incompletely understood. Prior comparisons of defibrillation waveform efficacy in out-of-hospital cardiac arrest (OHCA) are confined to patients presenting in a shockable rhythm and resuscitated by first responder (basic life support). This effectiveness study compared monophasic and biphasic defibrillation waveform for conversion of ventricular arrhythmias in all OHCA treated with advance life support (ALS). ⋯ Shock success to an organized rhythm comparing step-up protocol for energy settings demonstrated the RLB waveform was superior to MDS in ALS treatment of OHCA. Survival rates for both waveforms are consistent with current theories on the circulatory and metabolic phases of out-of-hospital cardiac arrest.
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Comment Letter Comparative Study
A predictive model for survival after in-hospital cardiopulmonary arrest.
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Up to 20,000 patients annually suffer from spinal cord injury (SCI) and 20% of these die before being admitted to the hospital in the United States as well as in the European Union. Prehospital management of SCI is of critical importance since 25% of SCI damage may occur or be aggravated after the initial event. Prehospital management includes examination of the patient, spinal immobilisation, careful airway management (intubation, if indicated, using manual in-line stabilisation), and cardiovascular support (maintenance of mean arterial blood pressure above 90 mm Hg) and blood glucose levels within the normal range. ⋯ Recently published statements from the United States also do not support the therapeutic use of MPS in patients suffering from SCI in the prehospital setting any more. Moreover, at this stage, it is not known whether therapeutic hypothermia or any further pharmacological intervention has beneficial effects or not. Therefore, networks for clinical studies in SCI patients should be established, as a basic requirement for further improvement in outcome in such patients.
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Comparative Study
London bombings July 2005: the immediate pre-hospital medical response.
On July 7th 2005 a series of terrorist bombs exploded in London. The transport system was targeted and at least 54 passengers were killed and around 700 injured. This paper describes the immediate pre-hospital medical response to the four scenes. From the perspective of the London Helicopter Emergency Medical Service the deployment, difficulties on scene and the initial lessons learned are discussed.