Objective To investigate the clinical efficacy of modified triple pelvic osteotomy for adult acetabular dysplasia. Methods Clinical data of 20 adult acetabular dysplasia patients (22 hips) treated with modified triple pelvic osteotomy from July 2005 to June 2011 were studied retrospectively. The patients' ages ranged from 19 to 49 years old (mean, 36. 18 ± 9. 80 years old). The center-edge (CE) angle and Sharp angle were measured by X-ray. According to the Harris hip score, postoperative functional recovery was evaluated. Results All the patients were follow-up for 1-6 years (mean, 2. 6 years). The main symptoms and signs after surgical treatment were improved significantly. Harris hip score increased from preoperative 74. 36 ± 5. 01 to postoperative 89. 86 ± 5. 65 (P<0.05). CE angle increased from preoperative 4. 77 ± 4. 44° to postoperative 29. 68 ± 4. 75° with an average of 24.91° (P<(). 05). Sharp angle decreased from preoperative 52. 91 ± 5. 83° to postoperative 35. 23 ± 3. 35° with an average of 17. 68°(P<0. 05). Conclusion The preliminary findings show that the improved pelvic triple osteotomy is an effective surgical method for treatment of adult acetabular dysplasia.%目的 探讨改良骨盆三联截骨术治疗成人髋臼发育不良的临床疗效.方法 回顾性分析2005年7月至2011年6月期间20例(22髋)成人髋臼发育不良患者经改良骨盆三联截骨术治疗的资料.患者年龄19～49岁,平均36.18±9.80岁.采用X线片测量CE角及Sharp角,经Harris髋关节功能评分评价术后功能恢复情况.结果 所有患者均获随访1～6年,平均2.6年.术后主要症状、体征均得到明显改善.Harris髋关节功能评分由术前平均74.36±5.01分上升至术后平均89.86±5.65分(P＜0.05).CE角由术前平均4.77±4.44°改善至术后平均29.68±4.75°,平均改善24.91°(P＜0.05).Sharp角由术前平均52.91±5.83°改善至术后平均35.23±3.35°,平均改善17.68°(P＜0.05).结论 改良骨盆三联截骨术是治疗成人髋臼发育不良的有效方法.
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