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The Bone & Joint Journal
Vol. 99-B, Issue 9 | Pages 1140 - 1146
1 Sep 2017
Shoji T Yamasaki T Izumi S Murakami H Mifuji K Sawa M Yasunaga Y Adachi N Ochi M

Aims

Our aim was to evaluate the radiographic characteristics of patients undergoing total hip arthroplasty (THA) for the potential of posterior bony impingement using CT simulations.

Patients and Methods

Virtual CT data from 112 patients who underwent THA were analysed. There were 40 men and 72 women. Their mean age was 59.1 years (41 to 76). Associations between radiographic characteristics and posterior bony impingement and the range of external rotation of the hip were evaluated. In addition, we investigated the effects of pelvic tilt and the neck/shaft angle and femoral offset on posterior bony impingement.