Abstract
BackgroundAdult developmental dysplasia of the hip is an untreated congenital hip dysplasia that results in adult hip pain. One of the usual and effective methods for the treatment of this condition is periacetabular osteotomy. However, which approach is better between the modified S-P and the I-I approaches is still unclear and controversial.Method and materialsWe retrospectively assessed our experience with the modified S-P and the I-I approaches by inquiring and evaluating intraoperative blood loss, postoperative radiographic material, postoperative function of the hip, and related complications from July 2014 to January 2019.ResultsA total of 61 patients with adult developmental dysplasia of the hip were enrolled, and 33 patients were divided into a modified S-P group and 28 patients were divided into I-I group. The operation time and blood loss of group I-I were higher than that of group modified S-P. Other clinical and radiographic indexes showed no statistical significance between group the modified S-P and I-I groups.ConclusionThere is no significant difference in the improvement of the function of the hip at the post-operation stage, but group I-I may require more operation time and blood loss at the intra-operation stage.
Highlights
Developmental dysplasia of the hip (DDH), or congenital hip dislocation (CDH), is a common abnormality in neonates with multiple abnormal morphological features such as the abnormal matching and inclusion between the acetabulum and the femoral head [1, 2]
Most neonates with DDH can be diagnosed and treated at early age; a part of neonates born in the countryside or economically backward areas do not carry out screening of DDH, and many patients with DDH visit orthopedics clinic in young adulthood [5]
Adult developmental dysplasia of the hip is an untreated congenital hip dysplasia that results in adult hip pain and characterized by morphological anomalies of the hip joint that include acetabular dysplasia, decreased acetabular coverage of the femoral head, excessive femoral anteversion, an increased neck-shaft angle, and a shortened femoral neck [6]
Summary
Developmental dysplasia of the hip (DDH), or congenital hip dislocation (CDH), is a common abnormality in neonates with multiple abnormal morphological features such as the abnormal matching and inclusion between the acetabulum and the femoral head [1, 2]. The etiology of DDH includes inheritance and intrauterine environmental factors, such as family genetic history, female gender, first child, hip delivery, oligohydramnios, torticollis, and lower extremity deformities [3, 4]. Adult developmental dysplasia of the hip is an untreated congenital hip dysplasia that results in adult hip pain and characterized by morphological anomalies of the hip joint that include acetabular dysplasia, decreased acetabular coverage of the femoral head, excessive femoral anteversion, an increased neck-shaft angle, and a shortened femoral neck [6]. The incidence of adult developmental dysplasia of the hip is approximatively 1 to 10%, and the male to female ratio approximates 1 in 6, with 25% of patients in the world having a family history of DDH [7]. Which approach is better between the modified S-P and the I-I approaches is still unclear and controversial
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