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Resection arthroplasty
1%
7/696
Hip abduction brace
2%
17/696
Constrained acetabular liner
87%
603/696
Thermal ablation of the posterior capsule
5/696
Conversion to a bipolar prosthesis
9%
60/696
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When a patient has well-aligned components and soft-tissue tensioning with a larger femoral head and trochanteric advancement has failed, options are limited. The use of a constrained acetabular liner is the best option in this situation. Goetz and associates and Shrader and associates have demonstrated good results with these implants. Shrader used this device on 109 patients with recurrent instability with a successful outcome in all but 2 patients. Resection arthroplasty is a salvage situation and is not the best option at the present time. A hip abduction brace does not address the soft-tissue laxity. Conversion to a bipolar arthroplasty, although possibly minimizing the incidence of dislocation, will lead to groin pain and migration of the component with diminished functional results.
4.0
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