WALANT beyond anesthesia: The end of physiological silence in hand, microsurgical and peripheral nerve reconstruction

Wide Awake Local Anesthesia No Tourniquet (WALANT) is often introduced as an anesthetic technique that avoids general anesthesia, regional blocks, sedation, and tourniquet discomfort. This description is accurate, but incomplete. The deeper significance of WALANT is that it restores living physiology to the operating theatre. For more than a century, reconstructive surgeons repaired tendons, transferred nerves, corrected deformities, balanced muscles, and reconstructed movement in patients whose physiology was temporarily silent. Tendon tension was estimated, nerve function was predicted, muscle balance was assumed, and the final judgment of success was delayed until rehabilitation revealed the truth. WALANT challenges this old paradigm by allowing movement, tension, balance, spasticity, sensory response, and patient-specific biomechanics to be observed during surgery itself. Its expanding role in tendon transfer, thumb reconstruction, peripheral nerve surgery, brachial plexus reconstruction, spasticity surgery, and ambulatory microsurgery suggests that its greatest contribution may not be anesthetic freedom, but the birth of physiology-guided reconstruction. This editorial argues that WALANT has moved beyond tendons and beyond anesthesia. It has become a new way of thinking about reconstructive surgery.