预先面罩供纯氧在无痛人流术中对血氧饱和度的影响

目的探讨在采用异丙酚加芬太尼静脉麻醉下,提高病人体内氧储备,使病人在无痛人流术中,血氧饱和度均能保持在95%以上的高水平,确保病人的安全性,提高麻醉质量。方法将120例早孕并要求使用无痛人流的病人随机分成A、B组。A组60例,麻醉前预先使用面罩给病人供吸纯氧3～5min后,才开始静脉推注麻药,并完成手术麻醉;B组60例,病人入室后,常规静脉推注麻药,血氧饱和度低于90%后才用面覃供氧。结果A、B两组镇痛效果均好,A组病人血氧饱和度术中保持在95%以上,B组有18例血氧饱和度术中低于90%,面罩给病人供吸纯氧后回升正常。结论异丙酚加芬太尼静脉麻醉下,行无痛人流术中,镇痛效果好,因病人存在个体差异,镇痛术中可能常出现呼吸抑制,预先使用面罩给病人供吸纯氧后能很容易解决该问题,血氧饱和度均能在正常范围波动,更加保证病人的生命安全,防范医疗纠纷。

The effects of mannual mask ventilation with oxygen on oxygen saturation before painless induced abortion

Objective To explore an effective managemant to improve the anesthetic quality （the oxegen saturation 〉95% ） in the use of intravenous propofol and fentanyl for general anesthesia for painless induced abortion analgesia Methods 120 patients undergone painle~ induced abortion were included in this study and divided ran- domly into two groups, 60 cases in each group. In group A, patients were given mannual mask ventilation with oxygen for 3- 5 minutes before intravenous injection propofol and fentanyl for general anesthesia for painless induced abortion analgesia. In group B, patients were conventionally given general anesthesia before painless induced abortion untill the oxygen saturation was less than 90 %, patients were given mannual mask ventilation with oxygen. Resuits The anagesia results were satisfactory in both groups. In group A, the oxygen saturation remained 〉95% during operative procedure. In group B, 18 of the patients with oxygen saturation 〈 95% during operative procedure, they returned to normal after receiving mask ventilation Conclusion Intravenous pmpofol and fentanyl for general anesthesia for painless induced abortion analgesia is effective and safe, breath suppressing might occur during procedure but pretreatment with mannual mask ventilation with oxygen may be helpful for remaining it in a natural state.