We report on the surgical technique for mini-open derotation osteotomy using retrograde osteosynthesis by headless compression screw under WALANT anesthesia (video attached). Preoperative CT showed the feasibility of this technique, with a 2.2 mm headless compression screw. The mechanical stability of the resulting constructs combined with intraoperative active motion testing under WALANT authorized immediate rehabilitation without immobilization, thus preventing stiffness. Joint range of motion recovered by day 4 and bone consolidation was achieved at 30 days.
Keywords: Anesthésie locale; Cal vicieux phalangien; Cal vicieux rotatoire; Intramedullary headless screw; Local anesthesia; Mini-open; Ostéotomie de phalange; Phalange proximale; Phalanx malunion; Phalanx osteotomy; Proximal phalanx; Retrograde; Rotational malunion; Rétrograde; Vis intramédullaire sans tête; WALANT.
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