1. Objective To compare the effects of small-dose sufentanil and fentanyl on cardiovascular responses to laryngoscopic orotracheal intubation in children.
   目的比较小剂量舒芬太尼和枸橼酸芬太尼预防儿童直接喉镜经口气管插管心血管反应的效果。
2. The occurrence of adverse effects was also recorded.Results: Patients' demographic data, baseline hemodynamic profile and the laryngoscopic time did not differ among the five groups.
   纪录全部病人的血液动力学资料，包括心率、血压以及副 作用的出现，并加以比较。

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