Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, Korea.
Korean J Anesthesiol. 2010 Dec;59 Suppl(Suppl):S17-20. doi: 10.4097/kjae.2010.59.S.S17. Epub 2010 Dec 31.
Electromyogpraphic endotracheal tube (EMG tube) is a new device used to monitor recurrent laryngeal nerve integrity during thyroid surgery. The EMG tube has 2 pairs of electrodes on the surface of silicon-based tube reached to inner space of tube cuff. We experienced an unusual endotracheal tube-related problem from the distinct structural feature of the EMG tube. In this case, we intubated a patient who had difficult airway with the EMG tube using a lightwand. After successful endotracheal intubation, we could not expand the pilot balloon and ventilate the patient effectively. We removed the EMG tube and found that one of electrodes of the EMG tube is bended and made a right angle with the long axis of the tube, and perforated the tube cuff. So we report this case to make anesthesia providers aware that much more attention is needed to use EMG tube during endotracheal intubation.
肌电图引导型气管导管（EMG 管）是一种用于监测甲状腺手术中喉返神经完整性的新型设备。EMG 管的硅基管表面有 2 对电极，一直延伸到管套的内腔。我们从 EMG 管的独特结构特征中遇到了一个不寻常的气管导管相关问题。在这种情况下，我们使用光棒为一位具有困难气道的患者插入了 EMG 管。成功进行气管插管后，我们无法扩张引导气囊并有效地对患者进行通气。我们拔出 EMG 管后发现，其中一个电极弯曲并与管的长轴成直角，且刺穿了管套。因此，我们报告此病例以提醒麻醉医生在进行气管插管时需要更加注意使用 EMG 管。
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