Developmental Dysplasia of the Hip Flashcards
what are the risk factors for developmental dysplasia of the hip?
- female
- breech
- +ve family history
- firstborn
- oligohydramnios
- birth weight >5kg
- congential calcaneovalgus foot deformity
which hip is developmental hip dysplasia more likely to affect?
left hip
what children receive a ultrasound to screen for developmental hip dysplasia?
- first-degree family with hip problems early in life
- breech at or after 36 weeks
- multiple pregnancy
what tests are done in all infants to screen for developmental hip dysplasia?
- barlow
- ortolani
what is the barlow test?
attempts to dislocate an articulated femorla head
what is ortolani test?
attempts to relocate a dislocated femoral head
what factors should be observed when assessing for developmental hip dysplasia?
- symmetry of leg length
- level of knees when hips and knees are bilaterally flexed
- restricted abduction of the hip in flexion
what test is used to confirm developmental hip dysplasia?
ultrasound
what is the 1st line investigation for developmental hip dysplasia if the infant is >4.5 months?
x-ray
when will most unstable hips spontaneously stabilise in an infant?
3-6 weeks of age
what management is used for infants <4-5 months with developmental hip dysplasia?
pavlik harness = dynamic flexion-abduction orthosis
how are infants >5 months managed with hip dysplasia?
surgery
