Conclusion Small dose fentanyl anesthesia can increase the effect of painless gastroscopy reduce the number of patients in the pain response, improve patient satisfaction, is worthy of clinical use.
结论小剂量芬太尼可提高无痛胃镜的麻醉效果，降低术中痛苦反应次数，提高患者满意度，值得临床推广使用。
Objective to observe the analgesia effect of propofol fentanyl combined with intravenous anesthesia in painless artificial abortion and the influence upon the circulatory and respiratory system.
目的观察异丙酚芬太尼复合静脉麻醉应用于人工流产术的镇痛效果和对循环及呼吸系统的影响。
Objective: To evaluate the efficacy and safety of low-dose fentanyl in combination with laryngeal anesthesia and magnesium sulfate in the surgery of congenital heart disease.
目的：评价小剂量芬太尼辅以喉麻和硫酸镁在先天性心脏病手术中应用的安全性和有效性。
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