Effect of Different Concentration of Ropivacaine Quadratus Lumborum Block under Ultrasound Guidance in Patients with Cesarean Section
Objective:To investigate the effect of different concentration of Ropivacaine quadratus lumborum block under ultrasound guidance in patients with cesarean section.Method:A total of 100 patients with cesarean section admitted to Xinglin Branch of the First Affiliated Hospital of Xiamen University from January 2020 to January 2023 were selected,and they were divided into group A(n=33),group B(n=33)and group C(n=34)according to random number table method,and they were anesthetized with Ropivacaine at 0.250%,0.375%and 0.500%,respectively.Anesthesia related indexes,postoperative pain degree,analgesic drug use and postoperative complications were observed among the three groups.Result:At 6 h,12 h,24 h,and 36 h after surgery,the visual analogue scale(VAS)scores in resting and exercise states of group A were higher than those of group B and group C,the differences were statistically significant(P＜0.05);however,there were no statistically significant differences in VAS scores in resting and exercise states between group B and group C(P＞0.05).The number of compressions for patient-controlled intravenous analgesia(PCIA)and the amount of Sufentanil used in group A were higher than those in group B and group C,and the differences were statistically significant(P＜0.05);however,there were no statistically significant differences in the number of compressions for PCIA and the amount of Sufentanil used in between group B and group C(P＞0.05).The total incidence of adverse reactions in group C were higher than those in group B and group A,and the differences were statistically significant(P＜0.05);there was no statistically significant difference in the total incidence of adverse reactions between group A and group B(P＞0.05).The total satisfaction with analgesia among the three groups were statistically significant(P＜0.05),the total satisfaction with analgesia in group B were higher than those in group A and group C,and group C was higher than group A,the differences were statistically significant(P＜0.05).Conclusion:Different concentrations of Ropivacaine have better anesthetic effect on cesarean section,among which 0.375%and 0.500%concentration of Ropivacaine have better analgesic effect,but 0.375%concentration of Ropivacaine has higher analgesic satisfaction and safety.
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