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3 - Late complications of Fractures - D3

3immobilization

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Unformatted text preview: atrophic ( there is still a chance for union ) :Treatment Treatment Conservative: (1) eliminate any possible cause of delayed union (2) Promote healing by providing the most appropriate biological environment. (3) immobilization (4) Union stimulus by encouraging muscular exercise and wieght bearing cast or brace Operative : ­ ­ Delayed union more than 6 months without signs of callus formation Internal fixation or bone grafting are indicated Non-union Non-union • • • • • Permanent failure of bone healing. After 6 months Movement can be elicited at the fracture site and pain diminishes The fracture gap turns into pseudarthrosis Delayed union may progress to Non – union if not treated in minority of cases. Non-union Non-union • ­ ­ X­ray : The fracture is clearly visible and the bone on either side of it may be either exuberant or rounded off. 2 types hypertrophic : bones ends are enlarged suggesting that oseogenesis is still active but not capable of bridging the gap. Atrophic :the bones tapered or rounded , osteogenesis ceased • Treatment Conservative: 1. Occasionally symptom less, needing no treatment 2. Functional bracing may be sufficient to induce union 3. Electrical stimulation promotes osteogenesis Operative 1. Very rigid internal fixation...
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