Comparison of the modified Smith-Petersen (S-P) and ilioinguinal (I-I) approaches for periacetabular osteotomy in adult developmental dysplasia of the hip: a retrospective study

Abstract Background Adult developmental dysplasia of the hip is an untreated congenital that results in adult pain. One usual and effective methods for treatment this condition periacetabular osteotomy. However, which approach better between modified S-P I-I approaches still unclear controversial. Method materials We retrospectively assessed our experience with by inquiring evaluating intraoperative blood loss, postoperative radiographic material, function hip, related complications from July 2014 to January 2019. Results A total 61 patients were enrolled, 33 divided into a group 28 group. The operation time loss higher than S-P. Other clinical indexes showed no statistical significance groups. Conclusion There significant difference improvement at post-operation stage, but may require more intra-operation stage.