Struggling with confusing hip clicks? Picmonic makes learning Developmental Dysplasia of the Hip a breeze! Master diagnoses & care with characters & stories. Conquer interventions & become a confident DDH expert!
DOWNLOAD PDFDevelopmental dysplasia of the hip (DDH) is a disorder characterized by abnormal positioning of the femoral head in the acetabulum of the pelvis. In patients with severe degrees of DDH, the femoral head may be subluxed or completely dislocated.
The Barlow maneuver is a physical maneuver performed on infants, used to screen for DDH to assess for subluxation or dislocation of the femoral head. The dislocation will be palpable.
If the Barlow test is positive, a clicking, or ‘clunk’ sound will be heard and felt with adduction of the thigh and outward hip pressure. The test is also performed with the infant in a supine position.
The Ortolani test is a physical maneuver performed on infants to screen for DDH and is typically done after the Barlow to reduce the dislocation.
If the Ortolani test is positive, a clicking, or ‘clunk’ sound will be heard and felt with abduction of the thigh and upward hip pressure. The test is performed with the infant in a supine position.
Visual inspection of an infant with DDH will reveal shortening of the limb on the affected side and asymmetrical gluteal and thigh folds.
In older children, the Trendelenburg sign is an indication of DDH. The Trendelenburg sign is positive if the child’s pelvis tilts downward on the unaffected side while balancing on the foot ipsilateral to the affected hip.
If DDH is diagnosed at 6 months of age or earlier, the condition can typically be corrected using an abduction device. The device must be worn for 24 hours a day until the condition is resolved, and the hip is stable.
The Pavlik harness is the most commonly used abduction device. The device must be worn for 24 hours a day until the condition is resolved, and the hip is stable. Skin care and monitoring for red areas under the straps and skin folds is important. No lotions or powders to the area and place the diaper under the straps.
If treatment with an abduction device is unsuccessful or if the child is diagnosed after 6 months of age, a closed reduction will be performed to correct the condition.
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