Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip
Developmental dysplasia of the hip (DDH) is a prevalent developmental condition that necessitates early detection and treatment. Follow–up, as well as therapeutic decision-making in children younger than four years, is challenging because the center–edge (CE) angle of Wiberg is not reliable in this...
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MDPI AG
2024-12-01
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| Series: | Journal of Imaging |
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| author | Katharina S. Gather Fabian Sporer Christos Tsagkaris Marco Götze Simone Gantz Sebastien Hagmann Thomas Dreher |
| author_facet | Katharina S. Gather Fabian Sporer Christos Tsagkaris Marco Götze Simone Gantz Sebastien Hagmann Thomas Dreher |
| author_sort | Katharina S. Gather |
| collection | DOAJ |
| description | Developmental dysplasia of the hip (DDH) is a prevalent developmental condition that necessitates early detection and treatment. Follow–up, as well as therapeutic decision-making in children younger than four years, is challenging because the center–edge (CE) angle of Wiberg is not reliable in this age group. The authors propose a modification of the CE angle (MCE) to achieve comparable reliability with the CE among children younger than four and set diagnostic thresholds for the diagnosis of DDH. 952 anteroposterior pelvic radiographs were retrospectively reviewed. The MCE is defined on X-ray pelvic overview images as the angle between the line connecting the epiphyseal joint center and the outer edge of the acetabulum, and perpendicular to the Hilgenreiner line. The MCE angle exhibited high sensitivity and specificity, as well as intrarater variability comparable to the CE among children younger and older than four years. The authors recommend cut-off values for the MCE angle; for children under four years old, the angle should be equal to or greater than 15 degrees; for those under eight years old, it should be equal to or greater than 20 degrees; and for those eight years old and older, it should be equal to or greater than 25 degrees. However, the MCE angle’s reliability diminishes around the age of nine due to the curvature of the growth plate, which complicates accurate measurement. This study showed that the MCE angle can be used adequately in children under four years and could be used as a progression parameter to diagnose DDH. |
| format | Article |
| id | doaj-art-77782ce235f647f98aa58e594c8c0ed2 |
| institution | Kabale University |
| issn | 2313-433X |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Journal of Imaging |
| spelling | doaj-art-77782ce235f647f98aa58e594c8c0ed22025-01-24T13:36:13ZengMDPI AGJournal of Imaging2313-433X2024-12-01111310.3390/jimaging11010003Modified Center-Edge Angle in Children with Developmental Dysplasia of the HipKatharina S. Gather0Fabian Sporer1Christos Tsagkaris2Marco Götze3Simone Gantz4Sebastien Hagmann5Thomas Dreher6Clinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, GermanyClinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, GermanyDepartment Pediatric Orthopaedics and Traumatology, Children’s University Hospital, Lenggstrasse 30, 8008 Zürich, SwitzerlandClinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, GermanyClinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, GermanyClinic for Orthopedics and Trauma Surgery, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, GermanyDepartment Pediatric Orthopaedics and Traumatology, Children’s University Hospital, Lenggstrasse 30, 8008 Zürich, SwitzerlandDevelopmental dysplasia of the hip (DDH) is a prevalent developmental condition that necessitates early detection and treatment. Follow–up, as well as therapeutic decision-making in children younger than four years, is challenging because the center–edge (CE) angle of Wiberg is not reliable in this age group. The authors propose a modification of the CE angle (MCE) to achieve comparable reliability with the CE among children younger than four and set diagnostic thresholds for the diagnosis of DDH. 952 anteroposterior pelvic radiographs were retrospectively reviewed. The MCE is defined on X-ray pelvic overview images as the angle between the line connecting the epiphyseal joint center and the outer edge of the acetabulum, and perpendicular to the Hilgenreiner line. The MCE angle exhibited high sensitivity and specificity, as well as intrarater variability comparable to the CE among children younger and older than four years. The authors recommend cut-off values for the MCE angle; for children under four years old, the angle should be equal to or greater than 15 degrees; for those under eight years old, it should be equal to or greater than 20 degrees; and for those eight years old and older, it should be equal to or greater than 25 degrees. However, the MCE angle’s reliability diminishes around the age of nine due to the curvature of the growth plate, which complicates accurate measurement. This study showed that the MCE angle can be used adequately in children under four years and could be used as a progression parameter to diagnose DDH.https://www.mdpi.com/2313-433X/11/1/3CE angle of Wibergmodified CE angledevelopmental hip dysplasia |
| spellingShingle | Katharina S. Gather Fabian Sporer Christos Tsagkaris Marco Götze Simone Gantz Sebastien Hagmann Thomas Dreher Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip Journal of Imaging CE angle of Wiberg modified CE angle developmental hip dysplasia |
| title | Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip |
| title_full | Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip |
| title_fullStr | Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip |
| title_full_unstemmed | Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip |
| title_short | Modified Center-Edge Angle in Children with Developmental Dysplasia of the Hip |
| title_sort | modified center edge angle in children with developmental dysplasia of the hip |
| topic | CE angle of Wiberg modified CE angle developmental hip dysplasia |
| url | https://www.mdpi.com/2313-433X/11/1/3 |
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