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[Carpo-metacarpal dislocation injuries].

J Eichhorn-Sens1, A Katzer, N M Meenen

  • 1Abteilung für Unfall- und Wiederherstellungschirurgie, Universitätskrankenhaus Hamburg-Eppendorf, Universität Hamburg. EichhornSens@netscape.net

Handchirurgie, Mikrochirurgie, Plastische Chirurgie : Organ Der Deutschsprachigen Arbeitsgemeinschaft Fur Handchirurgie : Organ Der Deutschsprachigen Arbeitsgemeinschaft Fur Mikrochirurgie Der Peripheren Nerven Und Gefasse : Organ Der V
|July 27, 2001
PubMed
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Carpometacarpal dislocations are rare injuries often missed on initial diagnosis. Surgical intervention with Kirschner wires offers good to excellent outcomes in most patients.

Area of Science:

  • Orthopedics
  • Traumatology
  • Hand Surgery

Background:

  • Carpometacarpal (CMC) dislocations are uncommon injuries.
  • Often caused by high-energy trauma, they can be masked by swelling or missed on routine X-rays.
  • Diagnosis requires careful evaluation, including lateral and oblique views.

Purpose of the Study:

  • To evaluate the treatment outcomes of carpometacarpal dislocations.
  • To assess the effectiveness of closed reduction and Kirschner wire fixation.
  • To recommend optimal therapeutic strategies for CMC dislocations.

Main Methods:

  • Retrospective review of 16 patients treated for CMC dislocations between 1990 and 1999.
  • Treatment involved closed reduction with temporary Kirschner wire fixation.

Related Experiment Videos

  • Outcomes assessed via clinical examination, X-ray, and DASH questionnaire after an average 3-year follow-up.

    • Main Results:

    • 64% of patients achieved excellent or good results at 3-year follow-up.
    • 29% reported moderate subjective hand function, and 7% reported poor function.
    • Five patients experienced a diminished range of motion; average DASH score was 24.

    Conclusions:

    • Closed reduction with Kirschner wire fixation is an effective treatment for CMC dislocations.
    • Primary surgical fixation using short Kirschner wires is recommended after closed reduction.
    • Open treatment is indicated for irreducible dislocations or those with associated injuries.