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Paediatrics
intermediate
X-Type

Developmental Dysplasia of the Hip

Paediatric Hip

A 6-week-old female infant is referred for assessment of hip instability detected during routine newborn examination. She was born in breech presentation. On examination, the left hip has a positive Ortolani test. Ultrasound shows a Graf Type III hip with a shallow acetabulum and subluxated femoral head. Regarding developmental dysplasia of the hip (DDH):

Mark each as TRUE or FALSE

A

DDH includes a spectrum from mild acetabular dysplasia to complete dislocation; risk factors include...

B

Clinical tests include Ortolani (reduces a dislocated hip - "clunk of entry"), Barlow (dislocates an...

C

DDH is more common in males; the right hip is more commonly affected; Ortolani test dislocates the h...

D

Ultrasound (Graf classification) is the gold standard for infants under 4-6 months; radiographs beco...

E

Treatment depends on age: Pavlik harness (0-6 months, success 90-95% for reducible hips), closed red...

Answer the questions to see explanations

Click T (True) or F (False) for each option