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Abstract

BACKGROUND: Isolated posterior wall fractures are common injuries of the acetabulum, anatomical reduction and stable fixation are the goals of operative treatment when indicated, outcomes of surgical treatment depend on many patient`s and fracture`s factors. OBJECTIVE: To evaluate the functional and radiological outcomes of surgically treated isolated posterior wall fractures of acetabulum and the effect of patient`s and fracture`s variables on the outcomes in a short term follow up. MATERIALS AND METHODS: Prospective study on twenty patient who met the inclusion criteria treated surgically for isolated posterior wall fractures of acetabulum at Baghdad Medical City Directorate from July 2014 to December 2016 with at least one year follow up. All patients were evaluated clinically with Modified Merle d`Aubigne score and Harris hip score, and radiologically with Matta`s radiological outcome grading. The effect of gender, BMI, associated dislocation, timing of reduction of dislocation, timing of surgery, and quality of reduction on the outcomes were evaluated. RESULTS: The mean final Modified Merle d`Aubigne score was 15.65 (range, 8 to 18) with excellent and good results in 16 patient (80%), fair and poor results in 4 patients (20%). The mean final Harris hip score was 89.2 (range, 65 to 100), with excellent and good results in 16 patient (80%), fair and poor results in 4 patients (20%).The final radiological outcome results were excellent and good in 17 patient (85%), fair and poor in 3 patients (15%). The functional and radiological outcomes were significantly affected by the quality of fracture reduction ( p=

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