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喉上神经阻滞联合环甲膜穿刺气管内表面麻醉或喉返神经阻滞不仅能缓解气管插管的心血管反应，而且可以减轻术中应激反应［１～３］。本实验旨在研究喉上神经阻滞联合环甲膜穿刺气管内表面麻醉在全喉切除术中对异氟醚吸入量的影响。１ 资料与方法２２例（ＡＳＡＩ－ＩＩ）喉癌
Thoracic nerve block combined with cricothyroid membrane tracheal anesthesia or recurrent laryngeal nerve block can not only ease the cardiovascular response to tracheal intubation, but also reduce intraoperative stress response [1-3]. The purpose of this study was to investigate the effect of laryngeal nerve block combined with cyclomethionanal intubation on endotracheal inhalation during total laryngectomy. 1 Materials and Methods 22 cases (ASAI-II) laryngeal cancer