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Updated: Dec 5 2024

Infantile Blount's Disease (tibia vara)

Images
  • summary
  • Epidemiology 
  • Etiology
  • Anatomy
  • Classification
  • Presentation
  • Imaging
  • Differential 
  • Treatment
    • Nonoperative
      • brace treatment with KAFO
        • indications
          • Stage I and II in children < 3 years
        • technique
          • bracing must continue for approximately 2 years for resolution of bony changes
        • outcomes
          • improved outcomes if unilateral
          • poor results associated with obesity and bilaterality
          • if successful, improvement should occur within 1 year
    • Operative
      • proximal tibia/fibula valgus osteotomy
        • overcome the varus/flexion/internal rotation deformity
        • indications
          • Stage I and II in children > 3 years
          • Stage III, IV, V, VI
          • age ≥ 4y (all stages)
          • failure of brace treatment
            • progressive deformity
          • metaphyseal-diaphyseal angles > 20 degrees
        • technique
          • perform osteotomy below tibial tubercle
          • staged procedures may be required for Stage IV, V, VI
          • epiphysiolysis required in stage V and VI
        • outcomes
          • risk of recurrence is significantly lessened if performed before 4 years of age
      • growth modulation
        • technique
          • tension band plate and screws
      • physeal bar resection
        • indication
          • at least 4y of growth remaining
        • technique
          • perform together with osteotomy
          • interpositional material is usually fat or PMMA
      • hemiplateau elevation
        • technique
          • may be performed together with osteotomy
  • Techniques
  • Complications
  • Prognosis
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Pediatrics | Infantile Blount's Disease (tibia vara)
  • Pediatrics
  • - Infantile Blount's Disease (tibia vara)
22:37 min
3/27/2020
2133 plays
4.5
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