View source for Developmental dysplasia of hip

==Background==
*Due to abnormal relationship of femoral head to acetabulum, usually in otherwise healthy infants prior to or shortly after birth
*<2% incidence
*4-6X more common in girls

==Clinical Features==
*Early: see asymm soft tissue folds in groin, buttock & thigh, limb may be pulled prox & short
*Ortolani on ALL young inf in ED, flex hip & knee @ 90 degrees & the thigh is abducted, the lateral aspect of both thighs should touch the table, the dislocated side will be restricted & have "click" as head slips out of acetabulum
**by 6 wk <30% will have + ortolani or bartlow

==Differential Diagnosis==
{{Pediatric hip DDX}}

==Evaluation==
*<3mo: [[ultrasound]] Hip
*>3mo: AP pelvis with both legs extended in neutral abduction

*Shenton's line
*Acetabular angle should be <30'

==Management==
*Refer ALL patients to pediatric orthopedist
*0-6mo: Pavlik harness or spica
*Older: ORIF

==Disposition==

==See Also==
*[[Pediatric hip pain]]

==References==
<references/>
[[Category:Pediatrics]]
[[Category:Orthopedics]]