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Paediatrics
intermediate
X-Type

Developmental Hip Dysplasia Barlow

Paediatric Hip

A 2-week-old girl is referred for evaluation of her left hip. She was born by breech presentation and has a positive family history of hip problems. Clinical examination reveals asymmetric skin folds, positive Barlow test (hip dislocates with adduction and posterior pressure), and positive Ortolani test (hip reduces with abduction). Ultrasound confirms a dislocatable left hip with alpha angle of 52 degrees. Regarding developmental dysplasia of the hip (DDH):

Mark each as TRUE or FALSE

A

DDH has a spectrum from mild dysplasia to complete dislocation; risk factors include female sex (6-8...

B

Clinical tests include Barlow test (provocative - hip dislocates posteriorly with adduction and post...

C

DDH is more common in males; right hip involvement is most common; vertex presentation is a risk fac...

D

Ultrasound (Graf classification) is the imaging of choice under 4-6 months: alpha angle measures ace...

E

Treatment depends on age: 0-6 months use Pavlik harness (85-95% success for reducible hips; contrain...

Answer the questions to see explanations

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