Efficacy of continuous femoral nerve block combined with intravenous controlled analgesia after elderly knee replacement
Objective To explore the efficacy of continuous femoral nerve block combined with intravenous patient-controlled analgesia after knee arthroplasty.Methods Clinical data of 126 patients who underwent knee arthroplasty at the People's Hospital of Bozhou from May 2021 to June 2022 were collected and divided into two groups according to different postoperative analgesia regimens.The control group was treated with PCIA,while the study group was treated with PCIA combined with CFNB.Compare the general data of the two groups,observe the rest and motion visual analog scale(VAS)scores of the two groups at 6 hour,24 hour,and 48 hour after surgery,and the total time of rehabilitation training,hospitalization days,and CPM of the two groups on the first,second,and third days after surgery.Observe the occurrence of complications in the two groups after surgery.Results Postoperative VAS scores at 6 hour,24 hour,and 48 hour were significantly lower in the study group than in the control group during rest and exercise(P<0.05).The time to first activity in bed(6.85±2.43)hours and first activity out of bed(2.88±0.53)hours were significantly earlier in the study group compared to the control group(P<0.05).The total duration of postoperative rehabilitation exercise and the maximum CPM angle achieved on postoperative day 1(53.11±6.28)° and day 2(74.05±3.43)° were significantly higher in the study group compared to the control group(P<0.05).The use of analgesic drugs(11.67%)and length of hospital stay(9.97±3.51)days were significantly lower in the study group compared to the control group(P<0.05).The overall complication rate was significantly lower in the study group(10.00%)compared to the control group(P<0.05).Conclusion The analgesic effect of CFNB combined with PCIA in patients undergoing knee arthroplasty is better than that of PCIA alone.It is helpful for patients to carry out early rehabilitation training,reduce the application of auxiliary analgesic drugs,shorten the length of hospital stay,and reduce the incidence of complications,it is worth popularizing it in clinical practice.
Femoral nerve blockControlled intravenous analgesiaKnee arthroplastyAnalgesic effectSecurityEarly postoperative rehabilitation training
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