Resuscitation
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Randomized Controlled Trial
Does the type of out-of-hospital airway interfere with other cardiopulmonary resuscitation tasks?
Out-of-hospital rescuers often perform tracheal intubation (TI) prior to other cardiopulmonary resuscitation (CPR) interventions. TI is a complex and error-prone procedure that may interfere with other key resuscitation tasks. We compared the effects of TI versus esophageal tracheal combitube (ETC) insertion on the accomplishment of other interventions during simulated cardiopulmonary resuscitation. ⋯ Compared with TI, ETC reduced time to airway placement and time without chest compressions, but did not affect elapsed times to accomplish other interventions. Additional time differences may be realized if translated to clinical out-of-hospital conditions.
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Case Reports
Amniotic fluid embolism after surgical trauma: two case reports and review of the literature.
Amniotic fluid embolism (AFE) is a relatively rare condition usually occurring during or shortly after pregnancy and is catastrophic in most cases. The classical description is a sudden onset of dyspnoea, cyanosis and hypotension out of proportion to the blood loss, followed quickly by cardiorespiratory arrest. ⋯ We report on two cases of severe and near fatal amniotic fluid embolism during pregnancy. Surgical trauma, caused by a blow in the stomach and a surgical intervention, was considered to be the aetiology.
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The response to exchange transfusion with red blood cells (RBCs) saturated with carbon monoxide (CO) in amelioration of microvascular function and providing tissue protection in hemorrhagic shock resuscitation was investigated in the hamster chamber window model. Shock was induced by the withdrawal of 50% of blood volume (BV). Blood volume was restored 1 h after hemorrhage with a single volume infusion (resuscitation) of 25% BV with fresh RBCs (saturated or unsaturated with CO) suspended in human serum albumin (HSA). ⋯ CO saturated blood partially mitigated cell injury at 8 h after resuscitation. The precise cellular mechanisms involved require further elucidation. CO is a novel experimental strategy to improve tissue viability and requires the appropriated preclinical studies to confirm its efficacy.
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Less than 1% of the general public know how to assess or manage someone who has collapsed. It has been estimated that if 15-20% of the population were capable of performing cardiopulmonary resuscitation (CPR), mortality of out of hospital cardiac arrest could be decreased significantly. Training basic life support (BLS) skills to school children would be the most cost effective way of achieving this goal and ensuring that a large proportion of the population acquire basic life saving skills. ⋯ A training programme designed and taught as part of the school curriculum would have a significant impact on public health.
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The purpose of this study was to determine the clinical value of arterial minus end-tidal CO(2) [P(a-et)CO(2)] and alveolar dead space ventilation ratio (V(dA)/V(t)) as indicators of hospital mortality in patients that have been resuscitated from cardiac arrest at emergency department. ⋯ This study showed that high serum lactate, high P(a-et)CO(2) and high V(dA)/V(t) during early ROSC in cardiac arrest patients suggest high hospital mortality. If future studies validate this model, the P(a-et)CO(2) and V(dA)/V(t) may provide useful guidelines for the early post-resuscitation care of cardiac arrest patients in emergency departments.