Article ; Online: Hip Morphology in Periacetabular Osteotomy (PAO) Patients Treated for Developmental Dysplasia of the Hip (DDH) as Infants Compared With Those Without Infant Treatment.
Journal of pediatric orthopedics
2022 Volume 42, Issue 6, Page(s) e565–e569
Abstract: Background: A subset of patients successfully treated for developmental dysplasia of the hip (DDH) as infants have symptomatic acetabular dysplasia at skeletal maturity leading to periacetabular osteotomy (PAO). The purpose of this study was to compare ... ...
| Abstract | Background: A subset of patients successfully treated for developmental dysplasia of the hip (DDH) as infants have symptomatic acetabular dysplasia at skeletal maturity leading to periacetabular osteotomy (PAO). The purpose of this study was to compare femoral and acetabular morphology in PAO patients with late acetabular dysplasia after previous treatment for DDH with PAO patients who do not have a history of DDH treatment. Methods: A single surgeon's patients who underwent PAO between 2011 and 2021 were retrospectively reviewed. Patients previously treated for infantile DDH with a Pavlik harness, abduction brace, closed reduction and spica casting, or open reduction and spica casting were included. Patients with previous bony hip surgery were excluded. Preoperative radiographic measurements of each hip were recorded including lateral center edge angle, anterior center edge angle, and Femoro-Epiphyseal Acetabular Roof index. Computed tomography measurements included the coronal center edge angle, sagittal center edge angle, Tönnis angle, acetabular anteversion at 1, 2, and 3 o'clock, femoral neck-shaft angle, femoral version, and alpha angle. Control PAO cases without a history of DDH diagnosis or treatment were matched with the infantile DDH treatment group in a 2:1 ratio based on coronal center edge angle, age, and sex. Results: There were 21 hips in 18 patients previously treated for infantile DDH (13 patients Pavlik harness, 3 abduction brace, 1 closed reduction, and 1 open reduction). The control PAO cohort was 42 hips in 42 patients who did not have previous DDH treatment. There was no statistically significant difference in any of the recorded measurements between patients previously treated for DDH and those without previous treatment including femoral version (P=0.494), anteversion at 1 o'clock (P=0.820), anteversion at 2 o'clock (P=0.584), anteversion at 3 o'clock (P=0.137), neck-shaft angle (P=0.612), lateral center edge angle (P=0.433), Femoro-Epiphyseal Acetabular Roof index (P=0.144), and alpha angle (P=0.156). Conclusions: Femoral and acetabular morphology is similar between PAO patients with persistent symptomatic acetabular dysplasia following DDH treatment and patients presenting after skeletal maturity with acetabular dysplasia and no previous history of DDH treatment. Level of evidence: Level III-case-control, prognostic study. |
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| MeSH term(s) | Acetabulum/diagnostic imaging ; Acetabulum/surgery ; Developmental Dysplasia of the Hip/diagnostic imaging ; Developmental Dysplasia of the Hip/surgery ; Hip Dislocation/diagnostic imaging ; Hip Dislocation/etiology ; Hip Dislocation/surgery ; Hip Dislocation, Congenital/diagnostic imaging ; Hip Dislocation, Congenital/etiology ; Hip Dislocation, Congenital/surgery ; Hip Joint/surgery ; Humans ; Infant ; Osteotomy/methods ; Retrospective Studies ; Treatment Outcome |
| Language | English |
| Publishing date | 2022-03-10 |
| Publishing country | United States |
| Document type | Journal Article |
| ZDB-ID | 604642-3 |
| ISSN | 1539-2570 ; 0271-6798 |
| ISSN (online) | 1539-2570 |
| ISSN | 0271-6798 |
| DOI | 10.1097/BPO.0000000000002137 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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