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Use a constrained acetabular liner
3%
20/795
Revise the femoral component to provide greater femoral offset
1%
6/795
Revise the femoral head from a 28-mm head size to a 36-mm head size
2%
12/795
Revise the acetabular component to 15 degrees of anteversion and 45 degrees of abduction
95%
753/795
Perform a greater trochanteric osteotomy to improve soft-tissue tension
0%
2/795
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The most common cause of recurrent dislocation following total hip arthroplasty continues to be component malposition. Component malposition should be addressed prior to any other treatment options, such as increasing soft-tissue tension with increased femoral offset or greater trochanteric advancement. A larger femoral head size may help, but correcting the component malposition should give more predictable results. A retroverted acetabular component should be revised to 15 degrees to 20 degrees of anteversion, matching the patient’s anatomy with an abduction angle close to 45 degrees.
3.3
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