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3 - Late complications of Fractures - D3


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Unformatted text preview: with hypertrophic non­union 2. Fixation with bone graft is needed in case of atrophic non union Mal-union Mal-union • Fragments join in an unsatisfactory position ( unacceptable angulation, rotation or shortening) • Causes: Failure to reduce a fracture adequately Failure to hold reduction while healing proceeds Gradual collapse of osteoporotic bone Mal-union • Clinical features: • Deformity usually obvious , but sometimes the • true extent of malunion is apparent only on x­ray Rotational deformity can be missed in the femur, tibia, humerus or forearm unless is compared with it’s opposite fellow X­ray are essential to check the position of the fracture while uniting during the first 3 weeks so it can be easily corrected • • Treatement: – – In adults • ­ fracture should be reduced as near to the anatomical position as possible, apposition is important for healing wherease alignment and rotation it’s important for function • Angulation more than 10­ 15 degrees in long bone or apparent rotational deformity may need correction by re­ manip...
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