Analysis of Functional Outcomes Following Surgical Management of Neglected Multiple Carpometacarpal Dislocations: A Series of four Cases and Review of Literature. 2022

Prashant Kamble, and Rudra Mangesh Prabhu, and Shubhranshu S Mohanty, and Dipen Ariwala, and Vinod Kumar Yadav
Department of Orthopaedics, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India.

Dislocation of the carpometacarpal (CMC) joint is a rare injury that results following high-velocity trauma. Although there are a few anecdotal reports of isolated CMC joint dislocations, there is scarce literature concerning dislocations involving multiple joints, especially those that are neglected and present late after injury. The injury is often missed when the patient presents to the surgeon since the swelling obscures the characteristic deformity, and the fracture may not be apparent on radiographs. When missed at the initial presentation, they can frequently result in pain, swelling, reduced grip strength, and arthritis. Such injuries require surgical management, along with prompt post-operative physiotherapy to enable the patient to regain satisfactory grip strength and range of motion. We retrospectively analyzed four cases of multiple CMC joint dislocations that were managed surgically at our tertiary apex center. The average duration between injury and presentation to our center was five weeks. We used the quick disabilities of the arm, shoulder, and hand (DASH) scores and the maximum handgrip strength to assess the functional outcomes and the visual analog scale (VAS) to assess the pain at regular intervals. All patients showed an improvement in the Quick DASH scores, VAS scores, and the handgrip strength at the latest follow-up. All patients were able to return to their occupation. Early diagnosis and stabilization followed by early mobilization is the key to managing multiple CMC dislocations. The cases that present late are generally associated with contracted soft-tissue structures that prevent the relocation of the injury. Such cases require open reduction, along with a release of the contracted structures and internal fixation. Supervised physiotherapy in the post-operative period is essential to regain a satisfactory range of motion and grip strength.

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