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Ilizarov External Fixation

Ilizarov External Fixation

A 28-year-old male presents with a 4cm tibial bone defect following debridement of an infected nonunion. The wound is now clean and granulating well. The treating surgeon plans bone transport using an Ilizarov circular external fixator. The registrar asks about the principles of distraction osteogenesis. Regarding the Ilizarov method and distraction osteogenesis:

Mark each as TRUE or FALSE

A

Distraction osteogenesis is based on the principle that gradual mechanical tension applied to living...

B

The corticotomy (subperiosteal osteotomy) preserves the periosteum, endosteum, and medullary blood s...

C

The latency period is 5-10 days between corticotomy and commencement of distraction; this allows ini...

D

The distraction rate can be increased to 2-3mm per day to shorten treatment time without affecting r...

E

The consolidation phase (neutralization) follows distraction and allows the regenerate bone to matur...

Answer the questions to see explanations

Click T (True) or F (False) for each option