Abstract:【Objective】 To observe the effects of different doses of ondansetron on the anesthesia, recovery and postoperative vomiting of pregnant women undergoing painless induced abortion . 【Methods】A total of 192 pregnant women who received painless induced abortion in both hospitals were divided into control group, low dose group, medium dose group and high dose group according to the medication situation; Each group was anesthetized with diazosine combined with propofol. The control group was not given antiemetic drugs. The low dose group was given 2 mg ondansetron before anesthesia, the medium dose group was given 4 mg ondansetron before anesthesia, and the high dose group was given 8mg ondansetron before anesthesia; The intraoperative indexes, postoperative nausea and vomiting degree and recovery quality of the pregnant women in each group were compared, and the use of additional antiemetic drugs in each group was counted after 24 h follow-up. 【Results】There was no significant difference in operation time, anesthesia time, mean heart rate and mean arterial pressure (MAP) among the four groups (P>0.05). The incidence of nausea and vomiting was 43.75% (21/48) in the control group, 20.83% (10/48) in the low dose group, 6.25% (3/48) in the middle dose group and the high dose group. The low dose group, the middle dose group and the high dose group were lower than the control group (P<0.05), and the middle dose group and the high dose group were lower than the low dose group (P<0.05). There was no significant difference between the middle dose group and the high dose group (P>0.05). There was no significant difference in the recovery time of spontaneous respiration, the time of awakening eyes, the time of clenching fists under command, and the dryness degree score during the awakening period among the pregnant women in each group (P>0.05). The application rate of additional antiemetic drugs in the control group was 27.08% (13/48), 10.42% (5/48) in the low dose group, 2.08% (1/48) in the medium dose group, and no additional antiemetic drugs were used in the high dose group. There was no significant difference in the application rate between low dose group, medium dose group and high dose group (P>0.05). The application rate of control group was higher than that of low dose group, medium dose group and high dose group (P<0.05). 【Conclusion】 Dezocine combined with ondansetron during painless induced abortion can effectively reduce the incidence and degree of postoperative malignant vomiting, and the combination of 4 mg ondansetron is safe. The effect of 4 mg ondansetron is better than that of 2 mg ondansetron, and the effect is not significantly improved when the dosage is increased to 8 mg.
张竹青, 孟雅静. 不同剂量昂丹司琼对无痛人流术孕妇的麻醉、苏醒效果及术后呕吐的影响[J]. 医学临床研究, 2022, 39(10): 1528-1530.
ZHANG Zhu-qing, MENG Ya-jing. Effect of Different Doses of Ondansetron on Anesthesia and Postoperative Vomiting in Pregnant Women Undergoing Painless Induced Abortion. JOURNAL OF CLINICAL RESEARCH, 2022, 39(10): 1528-1530.
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