Distraction Osteogenesis
A 32-year-old male presents 8 months post-tibial shaft fracture with an infected nonunion and 4cm bone loss following debridement. The wound is now clean with healthy granulation tissue. You plan Ilizarov bone transport for reconstruction. Regarding distraction osteogenesis principles:
Mark each as TRUE or FALSE
The optimal distraction rate for bone regenerate formation is 1mm/day in 4 increments (0.25mm each);...
Corticotomy (low-energy osteotomy preserving periosteum and endosteum) is superior to osteotomy; the...
The latency period should be 14-21 days to ensure adequate callus formation; distraction at 2mm/day ...
The consolidation phase typically lasts twice as long as the distraction phase (consolidation index ...
Tension-stress effect (Ilizarov's principle) describes how gradual traction stimulates histogenesis ...
Answer the questions to see explanations
Click T (True) or F (False) for each option