Effect of acupuncture intervention on health outcomes of elderly patients undergoing hip fracture surgery

INTERVENTION: Control group:The patients were given sham acupuncture during and after operation (1cm acupoints were selected at hegu, neiguan, zusanli and sanyinjiaopan, directly connected to the stimulator, and no electrical stimulation was given). ;Experimental group:Before anesthesia and until the end of surgery, the patients were given percutaneous electrical acupoint stimulation. On the first day and the second day after surgery, the patients were given percutaneous electrical acupoint stimulation in Zusanli and Sanyinjiao for 30 minutes each time.; CONDITION: Hip fracture PRIMARY OUTCOME: Incidence of PND at 7 days after operation; SECONDARY OUTCOME: IL‐10;CRP;IL‐6; INCLUSION CRITERIA: ? Age =80 years, both male and female; ? Intertrochanteric fracture or intertrochanteric fracture was diagnosed by X‐ray; ? No absolute contraindications for surgery; ?No other surgical system diseases requiring surgical treatment; ? Informed consent of patients or surrogates; ? Medical history records are complete.