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KMID : 0386420070200020123
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Journal of the Korean Fracture Society
2007 Volume.20 No. 2 p.123 ~ p.128
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Surgical Treatment of Posterior Wall Fractures of the Acetabulum
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Byun Young-Soo
Jang Se-Ang
Cho Young-Ho
Hwang Dae-Hee
Lee Sung-Rak
Kim Sang-Hee
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Abstract
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Purpose: To evaluate the results ofsurgicaltreatm entof posterior w allfractures of the acetabulum and to determ ine the factors affecting the results.
Materials and Methods: Thirty-one posterior wall fractures w ere reviewed; 7 type A1-1, 19 type A1-2 and 5 type A1-3 by AO classification. Postoperatively, the accuracy of the reduction was evaluated. At the final follow -up, clinical and radiographic results were evaluated with m edical records and radiographs. The factors affecting the results were determ ined.
Results: The reduction was graded as anatom ical in 22 patients, im perfect in seven and poor in tw o. The clinical result was excellent in 21 hips, good in six, fair in three and poor in one. The quality of the reduction w as strongly associated w ith the clinical result. The radiographic result was excellent in 22 hips, good in five, fair in two and poor in tw o. The clinical result was related closely to the radiographic result. Com plications w ere osteoarthritis in three patients, osteonecrosis of the fem oral head in one, heterotopic ossification in one, penetration of a screw into the joint in one and iatrogenic sciatic nerve injury in one. The factors affecting the clinicalresults were fracture patterns, the surgeon’s experience, the accuracy of the reduction and late com plications.
Conclusion: In this present series of posterior w all fractures, as their prognosis depends on the severity of the injury and the accuracy of the reduction, satisfactory result can be obtained by anatom ical reduction with thorough preoperative planning and the surgeon’s experience.
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KEYWORD
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Acetabulum, Posterior wall fracture, Surgical treatment
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