对于有支气管哮喘的病人，在气管插管前达到足够的麻醉深度，可以将气道痉挛的风险降到最低。

A sufficient depth of anesthesia before intubation of the trachea of a person with bronchial asthma minimizes the risk of hyperreactive airway reflexes leading to bronchospasm.

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结果表明，在颈部脏器的前方存在气管前间隙和舌骨下肌后间隙，在后方存在咽后间隙和危险间隙。

The results showed that the pretracheal space and the posterior infrahyoid space located in front of the viscera of the neck and the retropharyngeal space and the danger space behind it respectively.

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在奇静脉弓平面，奇静脉弓淋巴结和主动脉上隐窝位于上腔静脉、奇静脉弓、气管和主动脉凹面所围成的气管前间隙内。

At the level of azygos vein, 100% of the lymph nodes of azygos vein and the superior aortic recess were located among the superior vena cava, arch of azygos vein, trachea and concavity of aortic arch.

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