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The Bone & Joint Journal
Vol. 106-B, Issue 3 Supple A | Pages 104 - 109
1 Mar 2024
Sugano N Maeda Y Fuji H Tamura K Nakamura N Takashima K Uemura K Hamada H

Aims

Femoral component anteversion is an important factor in the success of total hip arthroplasty (THA). This retrospective study aimed to investigate the accuracy of femoral component anteversion with the Mako THA system and software using the Exeter cemented femoral component, compared to the Accolade II cementless femoral component.

Methods

We reviewed the data of 30 hips from 24 patients who underwent THA using the posterior approach with Exeter femoral components, and 30 hips from 24 patients with Accolade II components. Both groups did not differ significantly in age, sex, BMI, bone quality, or disease. Two weeks postoperatively, CT images were obtained to measure acetabular and femoral component anteversion.


The Bone & Joint Journal
Vol. 101-B, Issue 3 | Pages 297 - 302
1 Mar 2019
Tamura K Takao M Hamada H Ando W Sakai T Sugano N

Aims

The aim of this study was to examine whether hips with unilateral osteoarthritis (OA) secondary to developmental dysplasia of the hip (DDH) have significant asymmetry in femoral length, and to determine potential related factors.

Patients and Methods

We enrolled 90 patients (82 female, eight male) with DDH showing unilateral OA changes, and 43 healthy volunteers (26 female, 17 male) as controls. The mean age was 61.8 years (39 to 93) for the DDH groups, and 71.2 years (57 to 84) for the control group. Using a CT-based coordinate measurement system, we evaluated the following vertical distances: top of the greater trochanter to the knee centre (femoral length GT), most medial prominence of the lesser trochanter to the knee centre (femoral length LT), and top of the greater trochanter to the medial prominence of the lesser trochanter (intertrochanteric distance), along with assessments of femoral neck anteversion and neck shaft angle.


The Journal of Bone & Joint Surgery British Volume
Vol. 76-B, Issue 3 | Pages 500 - 500
1 May 1994
Akiyama H Tamura K