Abstract: 0bjective To observe the preemptive analgesic effect of dezocine on gynecological laparoscopy. Methods Forty patients(ASA I-11)were randomly assigned into two groups.The patients in group A(n=20) received intravenous injection of dezocine 10 mg 15 min before surgery, and those in group B(n=20) intravenous injection of dezocine 10mg 15min before the end of surgery. Postoperative analgesia efficacy was assessed by visual analog scales(VAS) at 2,4,8,12 and 24 h after surgery.Analgesic therapy and adverse effects were evaluated after surgery. Results VAS was lower in the group A[(1.7±0.6)、(1.5±0.5)、(1.2±0.5)、(4.1±0.9)、(1.2±0.4)] at 2、4、8、12、24 h(P<0.05) than that in group B[(2.9±1.3)、(2.8±1.7)、(3.0±2.3)、(4.2±0.8)、(1.8±0.7)].There was no significant difference between the two groups in adverse effects (P>0.05). Conclusion Dezocine for preemptive analgesia can effectively relieve postoperative pain in patients with gynecological laparoscopy, and can not increase the incidence of adverse effects.
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