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[目的]比较膝关节置换术(TKA)后连续收肌管阻滞(ACB)、股神经阻滞(FNB)镇痛对患者疼痛及早期功能训练的影响.[方法]随机将拟行TKA治疗的76例患者分为ACB组(A组)与FNB组(B组),比较两组术后不同时间点静息及活动状态下数字评分量表(NRS)及早期功能训练相关指标,镇痛期间不良反应情况.[结果]两组术后2 h、6 h、12 h、24 h、48 h静息及活动状态下NRS评分比较差异均无显著性(P<0.05);两组术后2 h、6 h、12 h、24 h、48 h患肢股四头肌肌力较术前均显著下降(P<0.05),术后24 h、48 h、72 h患肢膝关节活动度较术前均显著缩小(P<0.05),但A组术后不同时间点患肢股四头肌肌力、膝关节活动度均显著优于B组(P<0.05).[结论]TKA术后连续ACB与FNB镇痛效果及不良反应类似,但连续ACB对股四头肌肌力影响较小,而膝关节活动度较大,有利于患者早期功能训练.“,”[Objective]To comparatively analyze the effect of continuous adductor canal block (ACB) and femoral nerve block (FNB) analgesia on pain and early functional training after total knee arthroplasty (TKA).[Methods]A total of 76 patients undergoing TKA were divided into ACB group and FNB group by the random number table method.The numeric rating scale (NRS) and early functional training associated indicators in resting and active state were compared between the two groups at different time points, and adverse reactions during analgesia were statistically analyzed.[Results]At 2h, 6h, 12h, 24h and 48h after surgery, the NRS scores in resting and active state showed no significant differences between the two groups (P<0.05), and quadriceps femoris muscle strength of the affected limbs of the ACB group was significantly lower than that before surgery (P<0.05).24h, 48h and 72h after surgery, the knee range of motion of the affected limb was significantly smaller than that before surgery (P<0.05).The quadriceps femoris muscle strength and knee range of motion of the affected limbs were better in the ACB group than the FNB group at different time points after surgery (P<0.05).[Conclusion]The analgesic effects and adverse reactions of continuous ACB and FNB are similar after TKA but the effect of continuous ACB on quadriceps femoris muscle strength is significantly less, and the knee range of motion is significant greater, which is good for the early functional training.