الفهرس 
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Abstract
Introduction: After failed acetabular fractures, total hip replacement is challenging and considered the gold-standard treatment. The complexity of the procedure depends on the fracture pattern and the initial fracture management. This study’s primary aim was to evaluate the functional outcome for patients who underwent delayed uncemented acetabular THA after acetabular fractures. The secondary aims were to assess the radiological outcome and the incidence of the associated complications in those patients.
Material and methods: Forty patients underwent cementless acetabular THA following failed treatment of acetabular fractures. The postoperative clinical and radiological outcomes were evaluated for all the patients.
Results: The mean duration of follow-up following THA was 47 (12-165) months. The mean OHS improved significantly from 9.4±2.5 preoperatively to 40.5±4.7 (p<0.001). It was worth noted that the initial acetabular fracture type (simple vs complex), previous acetabular treatment (ORIF vs conservative), fracture union and restoration of anatomical centre of rotation (COR) did not affect the final Oxford hip score (OHS).
The reconstructed COR was restored in 28 (70%) patients. The mean abduction angle in whom acetabular fractures were managed conservatively was statistically significantly higher than the surgically treated patients (42.6±7.4 vs 38±5.6) (p=0.032