Abstract

Objective To compare the analgesic effect of ropivacaine and lidocaine during and after lateral episiotomy perineorrhaphy. Methods 80 mental well pregnant women who needed to have the lateral episiotomy perineorrhaphy were selected as our participants, they were all without surgical contraindications and obstetric complications. Then they were randomly divided into 2 groups, the experimental and the control group, and each group consisted 40 participants. Before the episiotomy, the experimental group was applied with 0.375% ropivacaine 20ml, the control group was applied with 1% lidocaine 20ml respectively to achieve perineal nerve block anesthesia and subcutaneous infiltration anesthesia. In the study we not only compared the pain level and the analgesia time between the 2 groups and also evaluated the Apgar score, the postpartum urinary retention and other adverse reactions between them. Results The VAS score of the experimental group is lower than that in the control group during and after the analgesic was administrated 1 hour, 2 hours, 4 hours and 8 hours, F=6.01( P<0.05 ). It reminds us that not only the analgesic effect but also the analgesia time of ropivacaine is better than the lidocaine, however, the Apgar's 1 minute's and 5 minute's score were non-significant between the 2 groups, t=1.863 ( P> 0.05 ), and the adverse effects such as Postpartum hemorrhage and Urinary retention were also non-significant between the 2 groups .Conclusion Compared with lidocaine, ropivacaine's analgesic effect is much stronger and it's analgesic time is much longer. When we apply the lateral episiotomy perineorrhaphy, we use low-dose ropivacaine instead of lidocaine to achieve the goal of perineal subcutaneous infiltration anesthesia and nerve block anesthesia, we can relieve the Incision pain during and after the operation effectively at the same time providing a better recovery premise for the pregnant women. Key words: Ropivacaine; Lateral episiotomy perineorrhaphy; Analgesic effect

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