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  • 306
  • 2018-05-22

Arthroscopic Wafer procedure for ulnar carpal abutment

Epublication WebSurg.com, May 2018;18(05). URL:
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Ulnocarpal abutment is the inversion of the distal radio ulnar index with a positive ulnar variance (long ulna) and is most frequently secondary to distal radius fractures. The relative ‘shortening of the radius’ leads to a conflict between the ulnar head and the proximal lunatum. The natural evolution of this condition is usually a central perforation of the TFCC complex. This arthrogenic lesion eventually leads to arthritis of the medial proximal lunate as well as the ulnar head. Persistence of the abutment may further lead to lunotriquetral dissociation. There are many management options for the distal radioulnar component of distal radius malunions and the therapeutic choice depends on clinical evaluation and imaging of this joint. In this video, we present the arthroscopic treatment, which remains the simplest and best solution for the patients.