Developmental dysplasia of the hip

Question 1

What is developmental dysplasia of the hip?

Answer 1

Abnormal development of the hip joint in utero

Question 2

What are the risk factors for developmental dysplasia?

Answer 2

1. Developmental dysplasia of the hip in a first degree relative
2. Breech presentation
3. Abnormalities suggesting restricted fetal movement in utero
   FEMALE

Question 3

What is the incidence of developmental dysplasia?

Answer 3

1. 80% are female and 80% of cases are unilateral

Question 4

What are the clinical features of developmental dysplasia of the hip ? < in neonates >

Answer 4

1. Click of the hips when manourvres are carried out at the newborn examination ( Ortolani/Barlows)
2. Assymetrical skin creases in the upper thigh

Question 5

What are the clinical features of developmental dysplasia of the hip? < 3 months - 1 year >

Answer 5

1. Limited hip adduction
2. leg length discrepency
3. Asymmetry of leg creases
4. Gait abnormalities

Question 6

How is developmental dysplasia of the hip diagnosed?

Answer 6

1. Ultrasound of the hip is carried out to confirm diagnosis

Question 7

Mx of developmental dysplasia of the hips?

Answer 7

A neonate is placed in ‘Pavlik harness’
– keeps hips flexed and abducted for several months so hip joint is put back into place
This allows the hips to develop properly

Question 8

What is the prognosis of developmental dysplasia of the hip?

Answer 8

1. If diagnosed in the neonatal period, prognosis is excellent

Question 9

At what age is the new born examination carried out?

Answer 9

8 weeks