- 期刊
Slotted Acetabular Augmentation in the Treatment of Painful Residual Dysplastic Hips in Adolescents and Young Adults
並列摘要
Background/Purpose: This study retrospectively evaluated the benefits and prognostic factors of slotted acetabular augmentation (SAA) used for treating painful residual or neglected dysplastic hips in adolescents and young adults. Methods: Sixteen hips in 15 patients underwent SAA at an average age of 14.4 years. The radiologic and functional outcomes were reviewed after an average follow-up of 6.6 years. Results: All the patients obtained marked alleviation of pain (p＜0.05). Harris hip score (HHS) was improved from 74.7 to 92.7 on average (p＜0.05). Postoperative center-edge angle, Sharp's angle, c/b ratio and femoral head coverage showed significant improvement (p＜0.01). Among the radiographic parameters, only the postoperative measurement of the femoral head coverage was significantly correlated with improvement of HHS (p＜0.05). Detectable progression of osteoarthritis, from grade Ⅲ to Ⅳ, was found in one patient 12 years after surgery. None of the hips required conversion to joint replacement. There were no surgical complications. Three-dimensional computed tomography showed that the grafts remained intact and provided congruent coverage at the latest follow-up, and none of them required arthroplasty. Conclusion: The major benefit of SAA was to alleviate hip pain by increasing load-bearing area. This benefit was not sensitive to preoperative radiographic parameters. There were no postoperative complications. Compared with other complex reconstructive acetabuloplasty procedures, SAA is a simple, safe and effective pain-reducing procedure for symptomatic dysplastic hips in adolescents and young adults.
延伸閱讀
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