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Genicular nerves block is a promising technique to treat acute postoperative pain in total knee arthroplasty. Similar to surgeon‐administered local infiltration analgesia, it targets sensory branches from the knee capsule, but through a selective ultrasound‐guided injection that reduces local anaesthetic dose (150 ml ropivacaine 0.2% with local infiltration analgesia vs. 20 ml with genicular nerves...