Comparison of preoperative ultrasound guided fascia iliaca block <i>versus</i> femoral nerve block for proximal femur fractures before positioning for spinal anesthesia: an observational study.

[ 13 ] did a study on elderly patients (62-88 yr) with fractures of the neck femur, concluding that the FIB, using 30 mL of 0.375% ropivacaine, was better than intravenous alfentanil, with the VAS score, as assessed 20 minutes after the block for positioning, being VAS score 2 for FIB versus 3.5 for the opioid group, with a highly significant P = 0.006.

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