The American journal of emergency medicine
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The clinical management of 12 patients with major intrathoracic tracheobronchial rupture (complete, 3; incomplete, 9) due to blunt trauma has been reviewed and compared with that of two groups of patients with chest injuries not involving the tracheobronchial tree, 17 patients with multiple rib fractures and 17 with chest injuries requiring thoracotomy for control of pneumothorax and hemothorax. The effect of injury on ventilatory function was significantly greater in the patients with tracheobronchial injury in whom an elevated PCO2 at the time of admission was associated with a poor prognosis. Conventional ventilatory management with endotracheal intubation and positive pressure ventilation causing increased air leakage produced further deterioration of pulmonary function in four of the patients with tracheobronchial disruption. The use of a double-lumen endobronchial tube in two patients with tracheobronchial rupture facilitated ventilatory support and subsequent operative management.
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A case of cardiac arrest following hypothermia due to cold-water immersion is presented. Following rescue and initiation of cardiopulmonary resuscitation, the patient was transported by helicopter to a facility where rewarming using cardiopulmonary bypass was possible. Initial rectal temperature in the emergency department was 28 degrees C. ⋯ Temperature at the time of cardioversion was 30 degrees C (esophageal). Despite extended cardiac arrest and profound metabolic acidosis (pH = 6.41 at 37 degrees C), he recovered uneventfully and is neurologically normal. A protocol for the management of a patient with hypothermic cardiac arrest is included.
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There is no consensus on what constitutes appropriate field airway management in the seriously injured semiconscious patient. The respiratory complications in a selected group of patients who were transported from the scene of an accident by a helicopter service whose policy was to perform endotracheal intubation on only deeply obtunded patients and manage others with bag mask ventilation are reported. Respiratory compromise was defined as follows: partial pressure of oxygen less than 65 torr on initial hospital arterial blood gases, partial pressure of carbon dioxide greater than 45 torr on initial hospital arterial blood gases, or radiographic and clinical evidence of aspiration pneumonitis within 5 days of admission to the hospital. ⋯ Ten of these patients ha adequate perfusion and abnormal arterial blood gases after arrival at the receiving hospital. Five patients might have benefited from endotracheal intubation in the field, but there were no preventable deaths. Neurologic status of the patient appeared to be more useful than respiratory status in predicting respiratory compromise.