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Lunotriquetral arthrodesis

D L Nelson1, P R Manske, D L Pruitt

  • 1Department of Orthopaedics, University of California, San Francisco 94143-0728.

The Journal of Hand Surgery
|November 1, 1993
PubMed
Summary
This summary is machine-generated.

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For disabling lunotriquetral joint pain, Herbert screw fixation with K-wires and immobilization over 6 weeks ensures fusion. This lunotriquetral arthrodesis technique improved pain and enabled all patients to return to work.

Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Wrist Arthroscopy

Background:

  • Disabling pain in the lunotriquetral joint often necessitates surgical intervention when conservative treatments fail.
  • Lunotriquetral arthrodesis aims to alleviate pain and restore function by fusing the lunate and triquetrum bones.

Purpose of the Study:

  • To evaluate the effectiveness of lunotriquetral arthrodesis in treating chronic lunotriquetral joint pain.
  • To identify optimal fixation methods and immobilization durations for successful lunotriquetral fusion.

Main Methods:

  • Retrospective analysis of 22 patients undergoing lunotriquetral arthrodesis.
  • Assessment of fusion rates, fixation techniques (Herbert screw with K-wire vs. K-wire alone), immobilization duration, carpal alignment, pain relief, and return to work.

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Main Results:

  • Herbert screw fixation combined with K-wires and immobilization exceeding 6 weeks led to successful fusion in all patients, including those with prior nonunion.
  • All patients reported improved pain, and 100% returned to their previous work.
  • Standard X-rays were often insufficient for assessing fusion; fluoroscopic or tomographic views were recommended.

Conclusions:

  • Lunotriquetral arthrodesis using a Herbert screw and K-wire fixation, with immobilization for at least 8 weeks, is highly effective for achieving fusion and pain relief.
  • Optimal imaging techniques are crucial for confirming bone fusion after lunotriquetral arthrodesis.