并发症既有激光照射麻醉插管或喉组织引起；也有手术切除范围过深、过大引起。
These complications can be caused by laser irradiation of uninvolved larynx tissue and may also be caused by excessive surgical removal of tissue.
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.
结果与结论：用异丙酚诱导麻醉能产生满意的插管条件，并能明显抑制气管插管的心血管反应。
Results and Conclusion: Anesthesia induction with propofol could provide a good intubation condition and depressed significantly cardiovascular responses to tracheal intubation in children.
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