Prevalence of Acetabular Dysplasia in Early Adolescents From the General Population: A Generation R Study

Vollständiger Abstract

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Background: Acetabular dysplasia is an important risk factor for hip complaints and osteoarthritis in (young) adults. Early identification during childhood is important, as timely intervention may prevent irreversible joint damage. Although traditionally considered an infant-onset condition, more recent evidence indicates that acetabular dysplasia can also develop later in childhood, yet its occurrence rate remains unknown. Existing prevalence estimates derive mainly from infants, adults, or selected clinical samples. This study aims to determine the prevalence and distribution of acetabular dysplasia in a large, multiethnic cohort of early adolescents, including key subgroup analyses. Methods: This study was part of the Generation R study, an ongoing prospective population-based cohort study in Rotterdam (NL). In early adolescence, DXA imaging of the right hip was done, and the lateral center-edge angle (LCEA), as an indicator for acetabular roof coverage, was determined. Acetabular dysplasia was defined as LCEA