• Wenxi Tang, Penghui Wei, Jiapeng Huang, Na Zhang, Haipeng Zhou, Jinfeng Zhou, Qiang Zheng, Jianjun Li, and Zhigang Wang.
• Department of Anesthesiology, Qilu Hospital of Shandong University (Qingdao), No.758 Hefei Road, Qingdao, People's Republic of China.
• BMC Anesthesiol. 2019 Jan 17; 19 (1): 14.

BackgroundThe asleep-awake-asleep (AAA) technique and laryngeal mask airway (LMA) is a common general anesthesia technique for deep brain stimulation (DBS) surgery. However, the LMA is not always the ideal artificial airway. In this report, we presented our experiences with nasotracheal intubation-extubation-intubation (IEI) and AAA techniques in DBS surgery for Parkinson's disease (PD) patients to meet the needs of surgery and ensure patients' safety and comfort.Case PresentationThree PD patients scheduled for DBS surgery had to receive general anesthesia for various reasons. For the first asleep stage, general anesthesia and nasotracheal intubation was completed with routine methods. During the awake stage, we pulled the nasotracheal tube back right above the epiglottis under fiberoptic bronchoscope (FOB) guidance for microelectrode recording (MER), macrostimulation testing and verbal communication. Once monitoring is completed, we induced anesthesia with rapid sequence induction and utilized the FOB to advance the nasotracheal tube into the trachea again. To minimize airway irritations during the process, we sprayed the airway with lidocaine before any manipulation. The neurophysiologists completed neuromoinitroing successfully and all three patients were satisfied with the anesthesia provided at follow-up.ConclusionNasotracheal IEI and AAA anesthetic techniques should be considered as a viable option during DBS surgery.

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