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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Total Wrist Arthroplasty.

Edward Lin, Nader Paksima

Bulletin of the Hospital for Joint Disease (2013)

|February 20, 2017

Summary

This summary is machine-generated.

Total wrist arthroplasty (TWA) is an infrequently used surgery for rheumatoid arthritis, offering an alternative to fusion for motion preservation. However, high complication rates and implant failures necessitate further prosthetic design evolution for wider acceptance.

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Area of Science:

Orthopedic surgery
Rheumatology
Biomedical engineering

Background:

Total wrist arthroplasty (TWA) is a surgical procedure for severe wrist arthritis.
It is most commonly indicated for rheumatoid arthritis with pan-carpal involvement.
TWA serves as an alternative to total wrist arthrodesis for patients desiring motion preservation.

Purpose of the Study:

To review the indications, outcomes, and complications of Total Wrist Arthroplasty (TWA).
To compare TWA with total wrist arthrodesis as treatment options for wrist arthritis.
To discuss the potential for future prosthetic design advancements in TWA.

Main Methods:

Literature review of Total Wrist Arthroplasty (TWA) procedures.
Analysis of complication rates and failure modes of modern TWA implants.
Comparison of TWA outcomes with those of total wrist arthrodesis.

Main Results:

Total Wrist Arthroplasty (TWA) is infrequently performed, with reported complication rates as high as 43%.
Common failure modes for modern TWA implants include dislocation and loosening.
Total wrist arthrodesis remains the gold standard, especially for high-demand patients.

Conclusions:

Total Wrist Arthroplasty (TWA) is a viable option for select low-demand patients with rheumatoid arthritis seeking motion preservation.
High complication and failure rates currently limit the widespread adoption of TWA.
Continued advancements in prosthetic design may enhance the future role of TWA in managing wrist arthritis.