Comparison Of Preoperative Ultrasound Guided Fascia Iliaca Block Versus Femoral Nerve Block for Proximal Femur Fractures Before Positioning for Spinal Anaesthesia

FNB was carried out as follows: the linear probe was kept in a "in line plane" approach to identify the femoral artery under ultrasound guidance. The triangular, hyperechoic femoral nerve was identified as being situated lateral to the femoral artery. The femoral artery was positioned next to an insulated 22 G needle. Once the needle tip was located and a negative blood aspiration was obtained, a little amount of local anesthetic (injection bupivacaine 0.25%) was administered. The remaining drug volume was injected based on weight (0.5 ml/kg) once the local anesthetic distribution was observed

The FICB was administered as described. We found the psoas muscle lateral to the femoral nerve. The iliacus fascia, which extends deep into the fascia Lata, covers it. Consequently, a double pop was felt after inserting the needle until it was between the psoas muscle and the fascia iliaca. As with the previously described method, 1 mL of the local aesthetic solution was injected, and following a negative blood aspiration, the medication disseminated beneath the fascia iliaca.