Congenital Dysplasias and Dislocation of the Hip

Congenital Dysplasias and Dislocation of the Hip -...

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Congenital Dysplasias and Dislocation of the Hip Hip Dysplasia Interruption of the elements that form the structures of the hip joint that produce clinical instability or abnormality in gait caused by a deformity of the acetabulum or upper femur Subluxation Distorted hip joint in which there is contact of articular surfaces, but not concentrically aligned Dislocation Gross deformity of the hip with no articular contact Ligamentous Laxity Maternal hormones at delivery promote laxity in newborn Acetabular Dysplasia Probable primary etiologic factor, possible genetic disorder with polygenic inheritance Anchor sign Asymmetry of the thigh, gluteal, thigh and poplitea folds that is more reliable from 4- 18 months but is not helpful if the problem is bilateral Galeazzi’s (Allis’) sign A difference (shorter is pathological) in the height of the knees when the child is supine with feet flat on the table. Reliable after 18 months Ortolani’s sign A palpable click, pops, or clunk when
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Congenital Dysplasias and Dislocation of the Hip -...

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