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Novel measurement method on plain radiographs to predict postoperative stem anteversion in cementless THA

Weber, Markus ; Messmer, Benedikt ; Woerner, Michael ; Grifka, Joachim ; Renkawitz, Tobias


Preoperative knowledge of femoral stem anteversion can reduce instability and impingement especially using the standard "cup first" technique in cementless total hip arthroplasty (THA). In this study, we asked whether stems at risk of retroversion or high anteversion (>20 degrees)can be detected preoperatively using hip radiographs in two planes (anteroposterior and Lauenstein). In 123 patients ...


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