Orthonotes
Orthonotes
by the.bonestories
v3.0 Fusion
v3.0 Fusion
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Developmental Dysplasia of Hip (DDH) — Screening & Management

Spectrum: acetabular dysplasia to frank dislocation. Risk factors: breech, female, family history, oligohydramnios. Clinical: Ortolani & Barlow tests in neonates; Galeazzi sign, limited abduction in infants. Imaging: USG (Graf classification) 18 months).

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Spectrum: acetabular dysplasia to frank dislocation. Risk factors: breech, female, family history, oligohydramnios. Clinical: Ortolani & Barlow tests in neonates; Galeazzi sign, limited abduction in infants. Imaging: USG (Graf classification) <6 months; X-ray after 6 months (Hilgenreiner, Perkin, Shenton lines). Management: Pavlik harness (0–6 months), closed/open reduction with spica (6–18 months), osteotomies (>18 months).
MCQs

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Question 1

What is the most significant risk factor for developmental dysplasia of the hip (DDH)?

Question 2

Which clinical test is used to assess a reducible dislocated hip in neonates?

Question 3

At what age is ultrasound the preferred imaging modality for evaluating developmental dysplasia of the hip?

Question 4

Which of the following signs is most indicative of hip dislocation in an older infant?

Question 5

What is the primary management strategy for developmental dysplasia of the hip in infants aged 0-6 months?

Question 6

In the Graf classification of hip ultrasound, what does a Type IIa classification indicate?

Question 7

What is the typical follow-up imaging modality for a child with suspected DDH after 6 months of age?

Question 8

Which sign is characterized by asymmetric skin folds in the groin area of an infant?

Question 9

What is the recommended management for a child aged 6-18 months with developmental dysplasia of the hip?

Question 10

What is a common long-term consequence of untreated developmental dysplasia of the hip?