Fractures of the upper end of the femur are a frequent worldwide concern in elderly patients, who are often multi-tarred. In the absence of contraindications, spinal anaesthesia is often the anaesthetic technique of choice, most often in the sitting position, which is a source of intense pain for the patient and may decompensate for an underlying defect. Femoral block and fascia iliaca block are the most commonly used locoregional analgesia techniques,...