1. Department of Anesthesiology, Chaozhou People′s Hospital, Guangdong Province, Chaozhou 521000, China;
2. Department of Surgical, Chaozhou People′s Hospital, Guangdong Province, Chaozhou 521000, China
Abstract：Objective To explore the clinical application effect of femoral nerve combined with popliteal sciatic nerve block guided by ultrasound in elderly patients with surgery below the knee. Methods A total of 60 elderly patients with subknee surgery admitted to Chaozhou People′s Hospital from September 2019 to August 2021 were selected as the research objects, they were divided into control group (30 cases) and observation group (30 cases) according to random paper method. The control group received combined lumbar epidural anesthesia, and the observation group received ultrasound guided femoral nerve block combined with popliteal sciatic nerve block. The mean arterial pressure (MAP) and heart rate (HR) before and after anesthesia were compared between the two groups, and the incidence of nausea, vomiting, headache and urinary retention 48 h after surgery were compared between the two groups. Results There was no significant difference in MAP before anesthesia between the two groups (P>0.05). MAP of the observation group was higher than that of the control group at 10, 30 and 60 min after anesthesia, the differences were statistically significant (P<0.05). There was no significant difference in HR between the two groups before and after anesthesia (P>0.05). The pain score of the observation group was lower than that of the control group 24 and 48 h after operation, and the disappearance time of anesthetic drug was shorter than that of the control group, the differences were statistically significant (P<0.05). The incidences of nausea, vomiting, headache and urinary retention 48 h after operation in the observation group were lower than that in the control group, the differences were statistically significant (P<0.05). Conclusion The clinical application effect of femoral nerve combined with popliteal sciatic nerve block guided by ultrasound in elderly patients with surgery below the knee is better，it has good application value.
Wiesmann T，Hüttemann I，Schilke N，et al.Ultrasound-guided single injection versus continuous sciatic nerve blockade on pain management and mobilisation after total knee arthroplasty （CoSinUS trial）：A randomised，triple-blinded controlled trial[J].Eur J Anaesthesiol，2018，35（10）：782-791.
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