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X-ray changes after expanded polytetrafluoroethylene (Gore-Tex) interpositional arthroplasty

J A Greenberg1, J F Mosher, J F Fatti

  • 1Indiana Hand Center, Indianapolis 46260, USA.

The Journal of Hand Surgery
|July 1, 1997
PubMed
Summary

Expanded polytetrafluoroethylene interpositional arthroplasty for osteoarthritis showed favorable short-term outcomes. However, a high rate of secondary osteolysis necessitates abandoning this material for trapeziometacarpal joint reconstruction.

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Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science

Background:

  • Degenerative osteoarthritis of the trapeziometacarpal joint significantly impacts hand function.
  • Interpositional arthroplasty is a surgical option for managing this condition.

Purpose of the Study:

  • To evaluate the long-term efficacy and complications of expanded polytetrafluoroethylene (ePTFE) interpositional arthroplasty for trapeziometacarpal osteoarthritis.

Main Methods:

  • Thirty-four ePTFE interpositional arthroplasties were performed on 31 patients with trapeziometacarpal joint osteoarthritis.
  • Patients were followed for an average of 41 months.
  • Subjective and objective assessments, along with radiographic analysis, were conducted.

Main Results:

  • Subjective patient outcomes and objective measurements were initially favorable.

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  • Radiographic analysis revealed a high incidence of osteolytic lesions.
  • These lesions were associated with microparticulate degeneration, indicative of reactive particulate synovitis.

    • Conclusions:

    • Despite favorable short-term subjective and objective results, the high rate of secondary osteolysis is a significant concern.
    • The study recommends discontinuing the use of ePTFE for trapeziometacarpal or pantrapezial arthroplasty due to these findings.