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The ulnar impaction syndrome.

S L Friedman1, A K Palmer

  • 1State University of New York Health Science Center, Syracuse.

Hand Clinics
|May 1, 1991
PubMed
Summary
This summary is machine-generated.

Ulnar impaction syndrome involves the ulnar head impacting wrist structures, causing degeneration. Accurate diagnosis of structural abnormalities guides effective surgical treatment for ulnar wrist pain.

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Area of Science:

  • Orthopedic Surgery
  • Hand and Wrist Surgery
  • Musculoskeletal Disorders

Background:

  • Ulnar impaction syndrome is characterized by the ulnar head impinging on the triangular fibrocartilage complex and ulnar carpus.
  • This condition leads to progressive degeneration of these wrist structures.
  • Differential diagnoses include ulnar impingement syndrome and distal radioulnar joint (DRUJ) arthrosis or incongruity.

Purpose of the Study:

  • To emphasize the importance of identifying structural abnormalities in the DRUJ, distal radius, and ulnar carpus for effective treatment planning.
  • To outline surgical and non-surgical treatment strategies for ulnar impaction syndrome based on underlying pathology.
  • To highlight the critical role of preoperative evaluation in achieving successful outcomes.

Main Methods:

Related Experiment Videos

  • Comprehensive evaluation of structural abnormalities of the distal radioulnar joint, distal radius, and ulnar carpus.
  • Surgical interventions including ulnar shortening (recession, osteotomy), corrective radial osteotomy, matched ulnar resection, hemiresection interposition arthroplasty, and Suave-Kapandji procedure.
  • Consideration of Darrach procedure as a salvage option.

Main Results:

  • Surgical treatment is effective in the majority of cases when structural abnormalities are identified and addressed.
  • Ulnar shortening procedures are indicated for excessive intermittent loading without obvious structural abnormalities.
  • Corrective radial osteotomy is recommended for malunion of the distal radius causing ulnar impaction.

Conclusions:

  • Accurate preoperative diagnosis and planning are crucial for successful management of ulnar impaction syndrome.
  • Treatment should be tailored to the specific underlying structural abnormalities or etiologies.
  • Various surgical techniques offer effective solutions, with procedure choice dependent on the specific pathology and ligamentous stability.