Anteversion of the acetabulum in developmental dysplasia of the hip: analysis with computed tomography.
Acetabular anteversion was measured by using two-dimensional (2-D) computed tomography (CT) scans in 39 dysplastic and 27 normal hips (patient age range, 3-33 years), and averaged 19.7 degrees in the dysplastic hips and 18.1 degrees in the normal hips. There was no statistically significant difference between the two groups, with a wide range of acetabular anteversion values noted in both groups (8-32 degrees ). Although acetabular anteversion may be increased in some patients with developmental dysplasia of the hip (DDH), it is not a universal finding. We believe that assessment and understanding of acetabular anteversion is needed before performing corrective osteotomies for hip dysplasia to optimize results and avoid the complications of acetabular retroversion.
Kim
S S
SS
Department of Orthopedics, Children's Hospital San Diego, California 92123, USA.
Frick
S L
SL
Wenger
D R
DR
D000077:Acetabulum / Q000000981:diagnostic imaging* / Q000502:physiology; D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006618:Hip Dislocation, Congenital / Q000000981:diagnostic imaging* / Q000503:physiopathology; D006621:Hip Joint / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans; D008297:Male; D016059:Range of Motion, Articular; D012016:Reference Values; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed