<p>A Randomized Controlled Trial of FNB versus FICB for Patients with Femoral Neck Fractures Before Spinal Anesthesia</p>

Abstract

Background and Objectives: Patients with femoral neck fractures often suffer severe pain. This randomized controlled clinical study compared the effect of femoral nerve block (FNB) and fascia iliaca compartment block (FICB) in this population. Patients and Methods: Forty-six patients were randomly assigned to one of the two groups: FNB group (femoral nerve block, n=23) or FICB group (fascia iliaca compartment block, n=23). Before positioning for spinal anesthesia, patients received FNB with 15 mL of 0.5% ropivacaine or FICB with 40 mL of 0.5% ropivacaine. Pain was evaluated using a visual analogue scale (VAS) at rest and during hip flexion after admission to the operation room; at 3, 5, 8, and 10 min after analgesia intervention; and during positioning for spinal anesthesia. Positioning was attempted after 10 min of analgesia intervention in each group. Time required to perform spinal anesthesia, quality of positioning, and patient satisfaction were documented. Results: The VAS scores in the FNB group were significantly lower than those in FICB group at 3 and 5 min after analgesia intervention (P=0.000). However, there were no significant differences in VAS between groups at 8 or 10 min or during positioning. Conclusion: FNB and FICB produce similar analgesic effects in patients with femoral neck fractures, but FNB has a more rapid onset of pain relief.

Comparison of supra-inguinal fascia iliaca versus pericapsular nerve block for ease of positioning during spinal anaesthesia

“…Our results were similar to other studies that have reported high satisfaction with PENG block[ 4 5 29 ] as well as FICB. [ 30 ] No patient reported any LA toxicity or block-related complication.…”

Is Femoral Nerve Block Superior to Fascia Iliac Block in Hip Surgery? Meta-Analysis of Randomized Controlled Trials

“…An electronic search yielded 861 potential records, including 229 duplicate articles. Six hundred and eighty-eight articles were identified as irrelevant by the titles and excerpts, leaving fourteen studies that eventually met the eligibility requirements [ 4 – 6 , 14 – 24 ]. The 14 RCTs enrolled 590 patients on the FNB group and 588 patients on the FICB group.…”

“…As shown in Table 1 , the included studies were characterized by the following key characteristics: all available literature consists of relatively small sample sizes, ranging from 10 to 85 patients. Preoperatively nerve block was applied in 13 studies [ 4 – 6 , 14 – 18 , 20 – 24 ], and postoperative nerve block was used in 1 study [ 19 ]. 5 studies [ 6 , 16 , 20 , 22 , 23 ] employed the general anesthesia, 4 studies [ 4 , 5 , 14 , 19 ] used regional anesthesia, and 5 studies [ 15 , 17 , 18 , 21 , 24 ] did not mention the detailed method of anesthesia.…”

“…Preoperatively nerve block was applied in 13 studies [ 4 – 6 , 14 – 18 , 20 – 24 ], and postoperative nerve block was used in 1 study [ 19 ]. 5 studies [ 6 , 16 , 20 , 22 , 23 ] employed the general anesthesia, 4 studies [ 4 , 5 , 14 , 19 ] used regional anesthesia, and 5 studies [ 15 , 17 , 18 , 21 , 24 ] did not mention the detailed method of anesthesia. Fentanyl was used for standard general anesthesia.…”

“…Three trials evaluated the SA time in the two groups [ 4 , 5 , 14 ]. Significant heterogeneity was found ( P < 0.05); the random model was used.…”