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Related Experiment Videos

Revision total wrist arthroplasty

M E Rettig1, R D Beckenbaugh

  • 1Department of Orthopedics, Mayo Clinic, Rochester, MN 55905.

The Journal of Hand Surgery
|September 1, 1993
PubMed
Summary
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Revision total wrist arthroplasty using a biaxial design salvaged most failed implants, with most patients reporting pain relief and improved function. However, prosthetic loosening remains a significant challenge in revision total wrist arthroplasty.

Area of Science:

  • Orthopedic surgery
  • Biomedical engineering
  • Reconstructive surgery

Background:

  • Total wrist arthroplasty (TWA) is a treatment for end-stage wrist arthritis.
  • Revision TWA is complex, with high failure rates.
  • Salvage options for failed TWA are limited.

Purpose of the Study:

  • To evaluate the efficacy of biaxial design TWA as a salvage procedure for failed primary TWAs.
  • To assess clinical outcomes, range of motion, and radiographic results of revision TWA with a biaxial design.

Main Methods:

  • Retrospective review of 13 patients undergoing revision TWA with a biaxial design.
  • Follow-up at an average of 31 months.
  • Assessment of pain, function, range of motion, and radiographic evidence of loosening.

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Main Results:

  • 8 out of 10 patients experienced no or mild pain.
  • 80% of patients reported feeling significantly better post-revision.
  • Average range of motion: 36° extension, 19° flexion, 6° radial deviation, 15° ulnar deviation.
  • Two revision implants required further revision for loosening; one wrist was arthrodesed.
  • Radiographic loosening was observed in two revision arthroplasties.

Conclusions:

  • Biaxial design TWA can provide satisfactory clinical results in the majority of patients undergoing revision for failed primary TWA.
  • Prosthetic loosening is a significant complication and challenge in revision total wrist arthroplasty.
  • Further research is needed to address implant survivorship and reduce loosening rates in revision TWA.