A total of 45 consecutive patients (7 men, 38 women, 49 hips) underwent surgery. Average age at surgery was 27.6 years. The Sharp acetabular angle improved from preoperatively 45.7° ± 4.2° by 13.8° to 32.0° ± 6.4°; the Wiberg (LCE) angle increased from 15.4° ± 9.3° by 19.5° to 34.9° ± 10° postoperatively. The anterior center edge (ACE) angle increased from 28.9° ± 10.4° by 8.6° ± 2.3° to 37.5° ± 8.1°. Complications requiring surgical intervention occurred in 7 patients.