Abstract
The proliferation of ultrasound use is changing the approach to regional anaesthesia of the lower limb. Techniques are being developed that provide high-quality postoperative analgesia while minimizing associated motor block that may impair mobilization. Regional anaesthetic techniques also provide significant opioid-sparing benefits (e.g. less sedation, nausea and urinary retention) that are key principles of current enhanced recovery protocols. Ultrasound-guided nerve localization offers several potential advantages when performing femoral, adductor canal, sciatic and ankle blocks; however, neurostimulation remains a useful and widely used aid to lower limb regional anaesthesia practice.
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