On comparing the NRS scores before giving the block and during positioning, the p-value was 0.001, which is highly significant, showing that ultrasound-guided FICB given one hour before the procedure significantly reduces the pain during positioning for spinal anesthesia.
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Ultrasound-Guided Preoperative Fascia Iliaca Compartment Block for Pain Relief During Positioning for Spinal Anesthesia in Patients With Hip Fracture.
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