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3 - Short-term outcomes of triple pelvic osteotomy in adult patients with acetabular dysplasia
Ümit Tuhanioğlu, Nurullah Ermiş, Yavuz Arıkan, Akif Albayrak, Eyüp S. Karakaş
Objectives: The goals of surgery are to reorient the biomechanical relationships such that the development of degenerative hip disease is delayed or prevented. To achive these goals, various pelvic osteotomies have been used. We preferred the Steel Triple Innominate Osteotomy to treat acetabular dysplasia.
Materials and Methods: During the period between November 2003 and March 2007, triple innominate osteotomy was performed on 30 patients and 31 hips. There were 27 women and 3 men. The average clinical follow-up was 24.1 months (range 12-52 months). The average age at surgery was 31.1 years (range 16-52 years).
Results: Preoperative hip score increased from an average 64.3° preoperative to 82.9° postoperative. The CE angle was increased from an average 5.42° preoperative to an average 24.52° postoperative. The VCE angle was increased from an average 8.94° preoperative to an average 29.1° postoperative. The Sharp angle was decreased from an average 50.71° preoperative to an average 37.68° postoperative. The Tönnis angle was decreased from an average 22.32° preoperative to an average 11.52° postoperative. The percentage of the femoral head covered by the acetabulum increased from 59.23% to 79.77%. These parameters were significant statistically (p<0.05). Anteversion was 20.39° preoperative and 19.84° postoperative. Acetabular index of depth and width changed from 27.97° preoperative to 28.39° postoperative. Lateralization was 20.32 mm. preoperative and 21,81 mm postoperative. These parameters were not statistically significant. The complications were implant failure in two patients, deep infection in one patient, and hematoma in one patient.
Conclucion: As a result of this experience, we concluded that the Steel Triple Innominate Osteotomy is a safe and succesful treatment method that is helpful for patients with mild to moderate dysplasia.
Keywords: Triple osteotomy, acetabular displasia, hip dislocation
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