Key result
The center-edge of the acetabular limbus angle (CEALA) was significantly smaller in the secondary acetabular dysplasia group than in the normal group at maturity.
Why the study?
Does the center-edge of the acetabular limbus angle (CEALA) predict future acetabular growth following conservative treatment of developmental dysplasia of the hip?
Cohort (n=73)
Does the center-edge of the acetabular limbus angle (CEALA) predict future acetabular growth following conservative treatment of developmental dysplasia of the hip?
CEALA measured by arthrography is a reliable and accurate predictive indicator for future acetabular development in patients treated conservatively for developmental dysplasia of the hip.
May support CEALA as a marker for secondary acetabular dysplasia; hypothesis-generating and should not yet change practice.
The aim of this study was to find a new predictive indicator for acetabular growth of developmental dysplasia of the hip. Seventy-three hips that were diagnosed with developmental dysplasia of the hip and treated by conservative reduction were included in our study. In 30 hips with center-edge angle ≤ 10° at age 4, the center-edge of the acetabular limbus angle (CEALA) in the arthrogram was measured. On the basis of the results, CEALA was significantly smaller in the secondary acetabular dysplasia group than in the normal group at maturity. In conclusion, CEALA is a more reliable and accurate predictive indicator for acetabular development than center-edge angle or acetabular index.
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Satsuma et al. (2015) conducted a cohort in Developmental dysplasia of the hip (n=73). Center-edge of the acetabular limbus angle (CEALA) vs. Center-edge angle or acetabular index was evaluated on Secondary acetabular dysplasia at maturity. The center-edge of the acetabular limbus angle (CEALA) was significantly smaller in the secondary acetabular dysplasia group than in the normal group at maturity.
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