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由李毅著作·1991—喉罩（laryngealmaskairway；LMA）是一種維持呼吸道暢通之新產品，在許多情況下可代替傳統面罩或氣管內插管，在全身麻醉時建立安全而通暢的氣道。

The laryngeal mask airway (LMA) is a new form of oropharyngeal airway that provides an alternative to endotracheal intubation and face mask anesthesia in certain cases. Once the patient is adequately anesthetised, it can be inserted blindly without recourse to laryngoscopy. The advantages over standard mask anesthesia are: better airway control, minimal leakage of anesthetic gases, and it frees the anesthetists hands, as no mandibular support is needed. LMA does not guarantee against the risk of aspiration and it is not recommanded for use in patients who may have risk of gastric regurgitation. Our preliminary study revealed that a clear and clinical satisfactory airway was obtained in 98.2% of patients. According to the intraoperative respiratory minute volume and arterial blood gases, the patency of the airway did not deteriorate during the course of the anesthesia. Blood press...