Resuscitation
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Resuscitation skills were assessed in a group of 24 anaesthetists of varying experience using 3 pre-determined scenarios. Seventy-nine percent of participants were found to be competent at resuscitation following the guidelines suggested by the Resuscitation Council (UK) in 1989. No one grade of anaesthetist was found to be consistently poor at resuscitation. Anaesthetists by the nature of their jobs may maintain the skills and knowledge of cardiopulmonary resuscitation as well as other groups in the hospital.
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Survival among patients with out-of-hospital cardiac arrest found in electromechanical dissociation.
Many patients who suffer an out-of-hospital cardiac arrest are found in electromechanical dissociation at the time the Emergency Medical Service (EMS) arrives. Since they have a poor prognosis, less attention has been paid to them. ⋯ Of all the patients with out-of hospital cardiac arrest in whom CPR was attempted by our EMS, 22% were found in electromechanical dissociation. Of these, 13% were hospitalized alive and 2% could be discharged from the hospital. No independent predictor of an increased chance of survival was found.
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The aim of our prospective study was to evaluate the effects of a standardized mega-code and arrhythmia training upon process elements of quality of pre-hospital advanced cardiac life support provided by a physician-staffed mobile intensive care unit. In 145 cases of adult cardiac arrest due to cardiac aetiology, time intervals from arrival of the mobile intensive care unit at the patient's side until first ECG diagnosis, first defibrillation, endotracheal intubation, and first epinephrine administration were measured with on-line tape recording, prior to, and following a standardized 8-h arrhythmia and mega-code training. ⋯ Neither admission nor discharge rates differed significantly before and after the training. Thus, practical training including rhythm analysis and mega-code session improved the performance of our mobile intensive care unit in cases of asystole and pulseless electrical activity, and, hence, process elements of quality.
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Comparative Study
A peer-training model for instruction of basic cardiac life support.
This study evaluates a peer-training model for cardiopulmonary resuscitation (CPR) instruction for laypersons. Forty-one Norwegian factory employees were trained in CPR and given instructor training. These first trainees then trained 311 co-workers. ⋯ The performance of the Norwegians trained at home by peers did not differ from that of the ARC: Adult CPR trainees in six skills of the initial sequence of CPR. The home trainees outperformed the ARC: Adult CPR trainees in the proportion of compressions delivered correctly (P = 0.032) and ventilations delivered correctly (P = 0.015). Peer training may provide CPR instruction comparable to training in CPR classes at lower cost and with potential to reach new population segments.
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Randomized Controlled Trial Clinical Trial
Buffer therapy during out-of-hospital cardiopulmonary resuscitation.
The effects of infusing a buffer solution on resuscitability and outcome was tested in patients during out-of-hospital cardiac arrest. A number (502) of adults with asystole or ventricular fibrillation with failure of first defibrillation attempt were entered into a prospective, randomized, double-blind, controlled trial. Of these, 245 patients received 250 ml of sodium bicarbonate-trometamol- phosphate mixture with buffering capacity 500 mmol/l and 257 patients received 250 ml 0.9% saline. ⋯ Mean base excess at hospital admission was -9 after Tribonat vs. -11 after saline (P = 0.04, CI for difference 0.2-3.8). Only 16 of the 502 patients had arterial alkalosis on arrival in the hospital and no patient had a positive base excess. Patients resuscitated after out-of-hospital cardiac arrest had metabolic acidosis, but buffer therapy did not improve the outcome.