Resuscitation
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Infectious complications in survivors of cardiac arrest admitted to the medical intensive care unit.
To describe the incidence, associated factors and outcome of infectious complications in patients admitted to the medical intensive care unit (MICU) after cardiopulmonary resuscitation (CPR). ⋯ Infectious complications are common in survivors of cardiac arrest and are associated with increased morbidity.
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This prospective study evaluated the acquisition and retention of skills in cardio-pulmonary resuscitation (CPR) and the use of the automated external defibrillator (AED) by lay volunteers involved in the Department of Health, England National Defibrillator Programme. One hundred and twelve trainees were tested immediately before and after and initial 4-h class; 76 were similarly reassessed at refresher training 6 months later. A standardised test scenario that required assessment of the casualty, CPR and the use of on AED was evaluated using recording manikin data and video recordings. ⋯ Initial training improved performance of all CPR skills, although all except compression rate had deteriorated after 6 months. The proportion of subjects able to correctly perform most CPR skill was higher following refresher training that after the initial class. Although this course was judged to be effective in teaching delivery of counter-shocks, the need was identified for more emphasis on positioning of electrodes, pre-shock safety checks, airway opening, ventilation volume, checking for signs of a circulation, hand positioning, and depth and rate of chest compressions.
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Optimal paddle force minimises transthoracic impedance; a factor associated with increased defibrillation success. Optimal force for the defibrillation of children < or =10 kg using paediatric paddles has previously been shown to be 2.9 kgf, and for children >10 kg using adult paddles is 5.1 kgf. We compared defibrillation paddle force applied during simulated paediatric defibrillation with these optimal values. ⋯ Defibrillation paddle force applied during paediatric defibrillation often falls below optimal values.
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To study long-term survival and estimate the costs per year of survival after out-of-hospital cardiac arrest of cardiac origin. ⋯ Cardiac arrest patients do not occupy intensive care beds too long, and few end up in a vegetative state. Methodological differences in different studies makes meaningful comparisons of costs difficult, but the costs per life year saved are not high compared to other publications.
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Successful outcome following cardiac arrest have been reported in the range of 13-59%. It is well established that the time from the onset of a ventricular arrhythmia to successful defibrillation predicts outcome. Recent out of hospital arrest protocols minimizing time to defibrillation have reported significant improvement in outcomes. The Bethesda conference and American Heart Association (AHA) both set standards for defibrillation time for in hospital codes but do not set standards for other interventions. In February 2000, the Brooke Army Medical Center (BAMC) cardiopulmonary resuscitation committee published time guidelines for the initiation of CPR, emergency team arrival, first defibrillation and first medication. We sought to evaluate resuscitation outcomes before and after this intervention. ⋯ Setting time guidelines for Advanced Cardiac Life Support (ACLS) improved initiation of CPR, emergency team arrival, first defibrillation, and first medication administration. These time reductions were accompanied by improved event survival and a statistically improved survival to discharge.