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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Augmented External Fixation of Ulnar Carpometacarpal Joint Fracture Dislocations.
    Author: Nishimura R, Wright L, Seitz WH.
    Journal: Tech Hand Up Extrem Surg; 2019 Jun; 23(2):84-87. PubMed ID: 30507722.
    Abstract:
    Ulnar-sided carpometacarpal (CMC) joint fracture dislocations are relatively uncommon, frequently associated with fractures of the metacarpal base and/or hamate, and often sustained by young male individuals secondary to striking a hard object. The complexity of ulnar-sided CMC fracture dislocations necessitates careful restitution of anatomic alignment and joint congruency for mobility and stability. Miniaturization of the external fixation device has allowed application to the hand. Spanning external fixation utilizes the principles of "ligamentotaxis"-indirect reduction through distraction forces of capsule-ligamentous structures. Treatment options for ulnar-sided CMC fracture dislocations are varied. Our surgical technique involving an external fixation device is reviewed. Clinical and chart review was performed on the last 10 patients undergoing acute surgical repair of ulnar-sided CMC fracture dislocations with intra-articular comminution by the senior author. Surgical technique used percutaneous Kirschner wire fixation and a spanning, miniature, external fixation device. Minimal follow-up was 1 year. Radiographs from the most recent appointment were evaluated by 2 independent reviewers. Patients rated their level of pain and assessed function using a subjective outcome instrument. Mean total active motion, when comparing traumatized digit to same digit in contralateral hand, was 100%. All fractures healed primarily with maintenance of congruent joint space and without radiographic displacement or arthrosis. Patient satisfaction was high and all patients returned to preinjury level of function. Our study demonstrates the use of an external fixation device in the management of ulnar-sided CMC fracture dislocations to be effective in reestablishing and maintaining normal hand anatomy, reducing pain, increasing function, and preserving motion.
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