Duration of analgesia and factors associated with block failure in ultrasound-guided ankle and popliteal/saphenous nerve blocks in elective foot and ankle surgery: A prospective observational study
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Background: Regional anaesthesia is central to perioperative analgesia in foot and ankle surgery. Ultrasound-guided ankle and popliteal/saphenous nerve blocks are widely used, yet real-world evidence on their duration of action a... ...