Modified Triple Osteotomy for Acetabular Dysplasia

National Taiwan University

Status: Unknown

Conditions: Center Head Distance Discrepancy; Center Edge Angle; Sharp Angle; Femoral Head Extrusion Index

Study type: Observational

Funder types: Other

Identifiers

NCT01285154

201012045RC

Details and patient eligibility

About

Steel triple innominate osteotomy was designed for dysplastic hip in adolescents and young adults with three incisions to increase the coverage; however the amount of correction remained questionable due to ligamentous attachments that hinder the rotation. The investigators modified the technique with two anterior incisions and ramus cuts close to inferior acetabulum. The purpose of this study is to compare these two techniques in femoral head coverage

Enrollment: 2 estimated patients

Sex: All

Ages: 6+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Symptomatic acetabular dysplasia in adolescent or young adult
2. Closed triradiate cartilage
3. Minor coxarthrosis with Tonnis grades at 1 or 2

Exclusion criteria

1. High subluxation or complete dislocation of the hip joint
2. Severe osteoarthrosis
3. Combined with proximal femoral osteotomy that changed the femoral neck shaft angle (such as varus or valgus osteotomy)

Trial design

2 participants in 2 patient groups

Traditional Steel Triple Osteotomy

Description:

Traditional technique

Modified Triple Osteotomy

Description:

Modified technique