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KMID : 0361620130480060433
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Journal of the Korean Orthopaedic Association
2013 Volume.48 No. 6 p.433 ~ p.440
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Short to Midterm Results of Bernese Periacetabular Osteotomy for Hip Dysplasia
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Lee O-sung
Yoo Jeong-Joon
Kim Hee-Joong
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Abstract
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Purpose: The goal of this study was to analyze the short to midterm results of Bernese periacetabular osteotomy for the patient with hip dysplasia.
Materials and Methods: Fourteen Bernese periacetabular osteotomies were performed in 13 patients and were followed-up for more than 2.5 years. All patients had been treated at Department of Orthopedic Surgery, Seoul National University Hospital from June 1998 to December 2007. We conducted an interview and asked the patients to complete the Harris hip score and pain visual analogue scale (VAS) score for clinical evaluation. Radiographic measurements included Tonnis osteoarthritis grade, center-edge angle of Wiberg, acetabular angle of Sharp, acetabular depth index, acetabular head index.
Results: Mean Harris hip score improved from 63.8 points preoperatively to 82.9 points postoperatively and pain VAS score improved from 7.6 points preoperatively to 0.8 points postoperatively. Based on Tonnis osteoarthritis grade, progression of osteoarthritis was found in 4 hips. Radiologically, center-edge angle of Wiberg, acetabular angle of Sharp, acetabular depth index and acetabular head index improved. Complications included superficial skin infection in one hip and non-union of pubic ramus in one. One patient had metal hypersensitivity to cortical screws and fracture of posterior column.
Conclusion: The short to midterm results show Bernese periacetabular osteotomy is a satisfactory technique for treating early and mild hip-osteoarthritis patients with hip dysplasia clinically and radiographically.
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KEYWORD
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hip, acetabular dysplasia, Bernese periacetabular osteotomy
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