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<p><strong>Advantages of laryngeal mask</strong></p><p>1. The <a href="https://www.hondemedical.com/laryngeal-mask" rel="noopener noreferrer" target="_blank">laryngeal mask</a> can be sterilized by high-pressure steam and can be used repeatedly.</p><p>2. The operation is simple and easy, as long as the patient has no difficulty in opening the mouth, it can be inserted into the laryngeal mask, and it is easy to fix and not easy to come off. Compared with the standard anesthesia nose and mouth masks routinely used in clinics, the use of laryngeal masks can relieve the fatigue of the anesthetists' hands and arms, generally without the disadvantages of gas into the stomach, and is easy to use.</p><p>3. Without laryngoscope insertion, exposed glottis, catheter inserted through the glottis and other mechanical stimulation, it is not easy to have complications such as laryngeal edema, vocal cord injury, and recurrent laryngeal nerve paralysis.</p><p>4. No need to use muscle relaxants, it can retain spontaneous breathing and avoid the adverse side effects of muscle relaxants and antagonists. The laryngeal mask can be ventilated less frequently, and the oxygen saturation is less likely to be encountered.</p><p>5. It is lightly irritated and has little secretion during implantation, does not affect tracheal cilia activity, is beneficial to sputum discharge, and can maintain the self-cleaning effect of the airway; postoperative cough, atelectasis, pneumonia and other pulmonary complications are few.</p><p>6. The airway resistance is small, the patient's breathing work is small, and the respiratory muscles are not easy to fatigue.</p><p>7. The required depth of anesthesia is shallower than that of tracheal intubation, and the amount of anesthetic is reduced. Under laryngeal mask ventilation, more anesthesia drugs can be used in combination in a short time, and slight assisted breathing can be performed if necessary.</p><p><br></p><p><strong>Disadvantages of laryngeal mask</strong></p><p>1. The airtightness of the airway is sometimes poor, which leads to easy air leakage during positive pressure ventilation. The degree of air leakage is related to the length of the operation, the patient's posture, neck tension, ventilation resistance, ventilation pressure and other factors.</p><p>2. Due to the short distance between the airway and the esophagus, the isolation between the laryngeal mask and the esophageal orifice is insufficient after insertion of the laryngeal mask, and anesthetic gas may enter the stomach, especially when the lower esophageal sphincter is hypotensive, prone to vomiting and reflex Danger such as flow and aspiration. Therefore, in applications where positive pressure ventilation is required, its application has a limitation of movement.</p><p>3. The internal crest in the laryngeal mask can sometimes prevent the suction tube from being placed into the trachea, making suction difficult. <</p><p>4. The lumen of the laryngeal mask under No. 2 is relatively narrow (related to the internal crest in the mask) and is easily twisted, which may cause CO2 accumulation.</p><p>5. expensive.</p><p><br></p>
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