Total hip arthroplasty
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Total hip arthroplasty (THA) or total hip replacement is the surgical excision of the femoral head and replacement of the joint with articulating femoral and acetabular components. It is a commonly performed procedure usually with very good results and return to function.
There are various prostheses currently with different:
- component fixation techniques - non cemented, cemented, screw-reinforced.
- spacer material
When the prosthesis fails, a revision THA is performed which involves removing the primary components where the femur is often fractures. The revision prosthesis is then inserted which typically has a longer femoral stem and requires cerclage wires to internally fix the femoral fracture.
Indications
- osteoarthritis (most common indication)
- trauma
- fracture of the femoral neck at risk of femroal head AVN if treated with internal fixation (DHS)
- THA is preferred over hip hemiarthroplasty in younger and more active patients.
Complications
-</ul><h4>Complications</h4>- +</ul><h4>Complications</h4><p>See: <a title="Complications of hip arthroplasty" href="/articles/complications-of-hip-joint-replacements">complications of hip arthroplasty</a>. </p>
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