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[Carpal luxation and residual instability].

P Saffar

    Annales De Chirurgie De La Main : Organe Officiel Des Societes De Chirurgie De La Main
    |January 1, 1984
    PubMed
    Summary

    Perilunar dislocations cause significant wrist injuries, potentially leading to carpal instability if not surgically treated. Understanding injury mechanisms, like lunotriquetral dissociation, is key for effective surgical repair and stability.

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    Area of Science:

    • Orthopedic Surgery
    • Hand Surgery
    • Traumatology

    Background:

    • Perilunar dislocations involve severe capsuloligamentous lesions and osteochondral fractures.
    • Untreated dislocations jeopardize carpal stability.
    • Classical injury mechanisms often initiate on the radial side.

    Purpose of the Study:

    • To explore alternative mechanisms of perilunar dislocations, specifically those originating from lunotriquetral dissociation.
    • To highlight the importance of surgical intervention for preserving carpal stability.
    • To discuss optimal surgical approaches for complex perilunar dislocations.

    Main Methods:

    • Review of perilunar dislocation mechanisms.
    • Analysis of post-reduction carpal instability in different dislocation types.
    • Discussion of surgical techniques, including anterior and posterior double approaches.

    Main Results:

    • Post-reduction carpal instability is more common in pure dislocations compared to those with scaphoid fractures.
    • Lunotriquetral dissociation is a possible initiating mechanism for perilunar dislocations.
    • Anterior and posterior surgical approaches may be necessary for accurate reduction and stability.

    Conclusions:

    • Accurate reduction and stable fixation are crucial for managing perilunar dislocations.
    • Considering diverse injury mechanisms, including lunotriquetral dissociation, improves treatment strategies.
    • Double surgical approaches ensure optimal outcomes in complex cases.

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