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- T A Don Michael.
- Med Instrum. 1977 Nov 1;11(6):331-3.
AbstractThe Esophageal Obturator Airway, a device designed for use in the management of cardiopulmonary arrest, obstructs the esophagus while simultaneously ventilating the lungs. The EOA was clinically tested in 29,000 patients with a low incidence of false entries and complications. Physiological studies indicated that vital capacity, blood gases, and pH were comparable to those obtained with the use of the endotracheal tube. Furthermore, the insertion of the EOA was more rapid (mean 6 sec vs 20 sec), more accurate (98 percent vs 48 percent), and easier to teach to paramedical personnel. It was concluded that whenever optimal conditions for endotracheal intubation are unavailable, the EOA should be first choice in the management of the airway in aneflexic, apneic patients. Specific contraindications are listed.
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