KMID : 1207720110030020114
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Clinics in Orthopedic Surgery 2011 Volume.3 No. 2 p.114 ~ p.120
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Reconstruction of Acetabular Posterior Wall Fractures
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Kim Hui-Taek
Ahn Jae-Min Hur Jun-Oh Lee Jong-Seo Cheon Sang-Jin
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Abstract
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Background: The results after acetabular fracture are primarily related to the quality of the articular reduction. We evaluated the results of internal fixation of posterior wall fractures with using three-step reconstruction.
Methods: Thirty-three patients (mean age at the time of injury, 47.9 years; 28 males and 5 females) were followed for a minimum of 2 years after surgery. The three-step reconstruction included 1) preservation of soft tissues and reduction of the marginally impacted osteochondral (articular) fragments using screws, 2) filling the impacted cancellous void with a bone graft, and 3) reinforcement with buttress-plating. Clinical evaluation was done according to the criteria of D¡¯aubigne and Postel, while the radiological criteria were those of Matta. The associated injuries and complications were evaluated.
Results: The clinical results were excellent in 15 (45.5%) patients and they were good in 5 (15.2%), (i.e., satisfactory in 60.7%), while the radiologic results were excellent in 10 (30.3%) and good in 14 (42.4%) (satisfactory in 72.7%). Heterotopic ossification was common, but this did not require excision, even without prophylactic treatment with indomethacin. Deep infection was the worst complication and this was accompanied by a poor outcome.
Conclusions: This study confirms that three-step reconstruction facilitates accurate and firm reduction of displaced posterior wall fractures of the acetabulum. Therefore, we anticipate less long-term arthrosis in the patients treated this way.
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KEYWORD
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Acetabulum, Posterior wall fracture, Reconstruction
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