Objective:To compare the pain control efficiency of continuous adductor canal block (ACB) and femoral nerve block (FNB) in total knee arthroplasty.Methods:From April to September 2016,patients with severe knee osteoarthritis undergoing primary unilateral total knee arthroplasty (TKA) were prospectively observed,and all the patients were randomized received ultrasound-guided continuous ACB or FNB after surgery.Numeric pain rating scales (NPRS)pain scores in rest and activity 2,6,12,24 and 48 h after surgery were collected,and the preoperative and postoperative quadriceps strength at 24 and 48 h were analyzed.Opioids consumption and anesthesia related adverse effects were also recorded.Results:In the study,40 patients were enrolled,with 20 patients in each group,male ∶female =7 ∶ 33,the age:(63.8 ± 10.1) years,and the body mass index (BMI):(28.5 ± 3.5) kg/ m2.The general conditions were comparable between the two groups.Though the rest pain 2 h after surgery [ACB =0.0(0,6),FNB =3.0(0,5),P=0.004] and activity pain 12 h post operation [ACB =3.0(3,0),FNB =5.5(0,10),P =0.004] were lower in ACB group compared with FNB group,there was no statistical difference in the other pain checking points between the two groups.The quadriceps strength 24 h and 48 h after surgery were (85.3-± 27.6) N and (80.0 ± 30.1) N in ACB group,(69.0 ± 29.4) N and (64.4 ± 32.0) N in FNB group,both of them were declined by time.The exact data were higher in ACB group,however,there was no statistical difference between the two group by repeated measurements variance analysis(F =2.703,P =0.108).Four patients in ACB group and five in FNB acquired additional use of dolantin once (100 mg/per time) within 24 h.And among them,three patients acquired once dolantin in ACB,two in FNB,from 24 to 48 h postoperation.There were five patients who suffered nausea postoperation in ACB group,and one who reported xerostomia.Four patients in FNB had nausea with vomiting,and three experienced xerostomia.Deep vein thrombosis appeared in 2 patients in FNB group,but no one in ACB group.Conclusion:Continuous ACB is not superior in pain control after TKA compared with FNB,and the quadriceps strength could be reserved more by this method,which performed early benefits in fast rehabilitation.%目的:比较连续收肌管阻滞(adductor canal block,ACB)与连续股神经阻滞(femoral nerve block,FNB)在全膝关节置换术后的临床效果.方法:前瞻性观察2016年4---9月因重度退行性骨关节炎行单侧、初次膝关节置换的患者,随机分为ACB组和FNB组.记录患者术后2、6、12、24、48 h静息及运动状态下运用疼痛数字分级法(numeric pain rating scales,NPRS)进行的镇痛评分、术前及术后24、48 h股四头肌肌力、术后48 h内阿片类药物追加使用量、术后不良反应等.结果:共纳入40例患者,每组各20例,男∶女=7:33,年龄(63.8±10.1)岁,体重指数(body mass index,BMI)为(28.5±3.5) kg/m2.两组患者在美国麻醉学会(American Society of Anesthesiologists,ASA)评分、术前畸形程度、疼痛评分、股四头肌肌力、手术时间和止血带使用时间方面差异无统计学意义.除术后2h的静息痛[ACB =0.0(0,6),FNB =3.0(0,5),P=0.004]和术后12 h的运动痛[ACB =3.0(3,0),FNB=5.5(0,10),P=0.004)外,其他时点两组疼痛评分差异均无统计学意义(P＞0.05).术后24、48 h股四头肌肌力,ACB组为(85.3±27.6)N和(82.0±30.1)N,FNB组为(69.0±29.4)N和(64.4±32.0)N,两组均随时间变化呈下降趋势,尽管具体数值ACB组高于FNB组,但组间差异无统计学意义(F=2.703,P=0.108).术后24h内追加使用盐酸哌替啶(100 mg/次)者,ACB组有4例,FNB组有5例;术后24～48 h内追加者,ACB组3例,FNB组2例;所有追加均为1次.ACB组中,5例患者出现术后恶心,另有1例感到口干;FNB组恶心者4例,均同时伴有呕吐,另有口干者3例,下肢肌间血栓患者2例.结论:膝关节置换术后,连续ACB的镇痛效果并不优于连续FNB,但ACB减小了对术后股四头肌力的影响,有利于术后早期活动.
展开▼
