BACKGROUND: METHODS: An institution-based case control study was conducted from September, 2013 to May, 2014. All patients who had been operated on under spinal anesthesia for femoral bone fracture were included. The patients divided into a FICNB group (n=20) and a control group (n=20). The FICNB group was given 30 mL of 0.25% bupivacaine at the end of the operation. Postoperative pain was assessed within the first 24 hours, i.e. at 15 minutes, 2 hours, 6 hours, 12 hours and 24 hours using 100 mm visual analogue scale (VAS), total analgesic consumption, and the time for the first analgesic request. RESULTS: VAS pain scores were reduced within the first 24 hours after operation in the FICNB group compared wtih the control group. VAS scores at 2 hours were taken as median values (IQR) 0.00 (0.00) vs.18.00 (30.00), P=0.001; at 6 hours 0.00 (0.00) vs. 34.00 (20.75), P=0.000; at 24 hours 12.50 (10.00) vs. 31.50 (20.75), P=0.004; and at 12 hours (17.80±12.45) vs. (29.95±12.40), P=0.004, respectively. The total analgesic consumption of diclofenac at 12 and 24 hours was reduced in the FICNB group, and the time for the first analgesic request was significantly prolonged (417.50 vs. 139.25 minutes, P=0.000). CONCLUSIONS:
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