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High risk of hip dislocation following polyethylene liner exchange in total hip arthroplasty—is cup revision necessary?

Dammerer, D. ; Schneider, F. ; Renkawitz, T. ; Putzer, D. ; Bogensperger, M. ; Biedermann, R.


Purpose Polyethylene (PE) wear remains a common reason for revision surgery following total hip arthroplasty (THA). An established treatment method is isolated liner exchange in a well-fixed acetabular cup and entails a known high risk of hip dislocation after revision surgery. The purpose of this retrospective study was to determine the rate of hip dislocation after liner exchange. Methods ...


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