回流食管和气管颈段中后部血液的静脉汇入食管气管静脉干；
Veins of the madial-caudal cervical segment of the esophagus and trachea were drained into the esophatracheal vein trunk.
头臂动脉颈段气管前方颈前静脉弓出现率为100%。
Brachiocephalic artery Fluff cervical vein cervical trachea in front of the bow was 100%.
目的：比较连续高位硬膜外阻滞复合气管内插管全麻与单纯气管内插管全麻在颈段气管切除重建手术中的应用效果。
Objective: it is to contrast the effect of neck tracheotomy reconstruct with continuous upper epidural anesthesia compound trachea intubation and merely trachea general anesthesia intubation.
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