Thesis
Radiological features of femoroacetabular impingement in patients undergoing hip resurfacing arthroplasty and total hip arthroplasty for osteoarthritis of the hip
- Creator
- Rights statement
- Awarding institution
- University of Strathclyde
- Date of award
- 2012
- Thesis identifier
- T13719
- Qualification Level
- Qualification Name
- Department, School or Faculty
- Abstract
- Osteoarthritis of the hip is a common condition which in its later stages often requires arthroplasty surgery. The principle operations performed for late stage osteoarthritis are the Birmingham Hip Resurfacing (BHR) and Total Hip replacement (THR), which require implants that have been through decades of development. Debate still exists as to the ideal treatment for young patients with osteoarthritis of the hip, but many surgeons believe resurfacing arthroplasty of the hip is the ideal option as it preserves bone stock and maintains normal anatomy. Femoroacetabular impingement (FAI) is a recently described pathomechanical entity and is thought to be a cause for early onset osteoarthritis of the hip in adults. This study is aimed at observing the radiological features of FAI in patients undergoing hip resurfacing and total hip replacement, to ascertain whether in the resurfacing group, which are a younger and more active group of people, there is evidence that FAI was the cause. The radiographs of 99 patients with osteoarthritis of the hip, due to undergo either total hip replacement (n=46) and Birmingham hip resurfacing (n=53), were reviewed. Features of FAI were observed and recorded according to a standardized protocol. Alpha angle, centre-edge angle, crossover sign, and ischial projection signs were recorded in both ipsilateral and contralateral hips. Demographic data were recorded and compared between groups. There was a significant difference in age between groups (BHR group 56.8yrs, THR group 67.4, p<0.05) which was expected. There was a higher incidence of all features of FAI in BHR patients, except centre edge angle, of the affected hips. This study provides further evidence that in FAI may play a role in early onset osteoarthritis of the hip. Further work is needed if surgeons are to treat this condition effectively and reduce the need for arthroplasty procedures in young patients.
- Resource Type
- DOI
- Date Created
- 2012
- Former identifier
- 1031858
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File | 2021-07-02 | University of Strathclyde |