â– LECTURE OVERVIEW: Developmental Dysplasia of the Hip (DDH) encompasses a spectrum of congenital hip abnormalities characterized by abnormal acetabular development and hip instability in newborns.
â– ANATOMICAL SUBSTRATES:
1. Acetabular Dysplasia: The acetabulum is abnormally shallow, preventing the femoral head from seating securely inside the hip socket.
2. Laxity Strain: Excess ligamentous laxity allows the femoral head to slip backward out of the socket.
3. Pathological Remodeling: Scleral and cartilage transformations occur, creating a flattened socket that can lead to permanent limb shortening and an asymmetrical gait if untreated.
â– CLINICAL COMPLICATIONS:
Delayed or incomplete treatment triggers cascading systemic strain, involving downstream organ failure, severe metabolic imbalances, or progressive tissue necrosis.
â– PEDIATRIC CONTEXT & CONTINGENCIES:
Developing cohorts present with high body-water percentages and dynamic hepatic enzyme maturation pathways.
[HY-BOARD-1147]
🌟 Dynamic Clinical Key:
Infants are screened using Barlow (adducts and exerts posterior pressure to dislocate an unstable hip out of the acetabulum) and Ortolani (abducts and exerts anterior traction to reduce a dislocated hip back into the acetabulum) maneuvers. Early diagnosis is managed with a Pavlik harness to hold the hip in flexion and abduction. Early aggressive resuscitation is key to prevent irreversible multi-system organ dysfunction. Always utilize body-surface-area or weight-based dosing calculators for pediatric populations.