The purpose of this study was to evaluate whether an innovative
templating technique could predict the need for acetabular augmentation
during primary total hip arthroplasty for patients with dysplastic
hips. We developed a simple templating technique to estimate acetabular
component coverage at total hip arthroplasty, the True Cup: False
Cup (TC:FC) ratio. We reviewed all patients with dysplastic hips
who underwent primary total hip arthroplasty between 2005 and 2012.
Traditional radiological methods of assessing the degree of acetabular dysplasia
(Sharp’s angle, Tönnis angle, centre-edge angle) as well as the
TC:FC ratio were measured from the pre-operative radiographs. A
comparison of augmented and non-augmented hips was undertaken to
determine any difference in pre-operative radiological indices between
the two cohorts. The intra- and inter-observer reliability for all
radiological indices used in the study were also calculated.Aims
Patients and Methods
Cement in cement revision with preservation of the original cement mantle has become an attractive and commonly practised technique in revision hip surgery. Since introducing this technique to our unit we have used two types of polished tapered stem. We report the clinical and radiological outcomes for cement in cement femoral revisions performed using these prostheses. All patients who underwent femoral cement in cement revision with a smooth tapered stem between 2005 –2013 were assessed. Data collected included indication for revision surgery and components used. All patients were followed up annually. Outcomes recorded were radiographic analysis, clinical outcome scores (Oxford Hip Score, WOMAC and SF-12) and complications, including requirement for further revision surgery. Median follow-up was 5 years (range 1 – 8 years). 116 revision procedures utilising cement in cement femoral revision were performed in the 8 year study period (68 females, 48 males, and mean age of 69 years). The femoral component was a C-stem AMT (Depuy) in 59 cases and Exeter stem (Stryker) in 57 cases.Introduction
Materials and Methods
