Periacetabular hip osteotomy for residual dysplasia treatment: preliminary results.

Objective: To evaluate whether the change in the CE angle of Wiberg and the acetabular index after Ganz periacetabular osteotomy is statistically significant.

Methods: The pre- and postoperative CE angle of Wiberg and acetabular index of 14 hips operated at a tertiary hospital in Curitiba, Paraná, Brazil were evaluated.

Results: The postoperative measurements showed significant differences in relation to the preoperative period.