Resuscitation
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Accidental hypothermia is a common companion of trauma/haemorrhage, and several clinical studies have identified reduced body temperature as an independent risk predisposing to increased morbidity and mortality. Accordingly, the majority of trauma care guidelines prescribe early and aggressive rewarming of hypothermic patients. Enzyme reactions are generally downregulated at temperatures below 37 degrees C, including most of those responsible for the inflammatory response. ⋯ The pro-inflammatory cytokines TNF-alpha and IL-6, the anti-inflammatory cytokine IL-10, the organ markers alanine aminotransferase, alpha-glutathione S-transferase and creatinine, as well as organ injury scores were equal in both groups. Three rewarmed rats died prematurely, versus one hypothermic animal. In conclusion, the results suggest that during the early stages after haemorrhagic shock, rapid rewarming from mild hypothermia may have unfavourable effects both on basic haemodynamic variables, and on the internal inflammatory environment of cells and tissues.
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The Advanced Life Support (ALS) Provider Course trains healthcare professionals in a standardised approach to the management of a cardiac arrest. In the setting of limited resources for healthcare training, it is important that courses are fit for purpose in addressing the needs of both the individual and healthcare system. This study investigated the use of ALS skills in clinical practice after training on an ALS course amongst members of the cardiac arrest team compared to first responders. ⋯ We believe that the ALS course is more appropriately targeted to members of a cardiac arrest team. In our opinion the recently launched Immediate Life Support course, in parallel with training in the recognition and intervention in the early stages of critical illness, are more appropriate for the occasional or first responder to a cardiac arrest.
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Multicenter Study
Preliminary experience with a prospective, multi-centered evaluation of out-of-hospital endotracheal intubation.
Previous out-of-hospital airway management data are limited by small, single-site designs. We sought to evaluate the feasibility of performing a prospective, multi-centered evaluation of out-of-hospital endotracheal intubation (ETI) using a standardized data collection tool. ⋯ We successfully obtained complete data for the majority of ETI attempted across multiple EMS services. Our data also indicate the need to address problems with non-response. Preliminary cross-sectional data highlight areas of current interest in out-of-hospital airway management.
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Case Reports
Revisiting the cardiac versus thoracic pump mechanism during cardiopulmonary resuscitation.
The mechanism of forward blood flow due to external chest compressions during cardiopulmonary resuscitation (CPR) remains controversial, with the main theories being based on either a cardiac, or thoracic pump mechanism. Both potential mechanisms are well investigated by echocardiographic assessment. In the present case, a postoperative complication of cardiac tamponade that was detected by a thoracoabdominal CT-scan, led to cardiac arrest with subsequent successful CPR over 15 min until definitive surgical management was performed. This observation suggests that the thoracic pump mechanism may have been the predominant mechanism of forward blood flow in the present case of a pericardial tamponade.
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To describe the outcome in the Utstein style for out of hospital cardiac arrest in Gothenburg, over a period of 19 years. ⋯ In this large Utstein style study of out of hospital cardiac arrest stretching over almost 19 years, we report high survival rates both for patients suffering a bystander-witnessed cardiac arrest, and for the subgroup suffering a bystander-witnessed cardiac arrest with VF as the first recorded rhythm. These high survival rates can in part be explained by the short time intervals from calls being received by the emergency dispatch centre (EDC) to the arrival of the emergency medical service at the scene.