Distraction Osteogenesis can be complicated by regenerate insufficiency resulting in prolonged implant usage or regenerate failure with malalignment or fracture. Experimental evidence has demonstrated that bisphosphonates may mediate improved local limb BMD and regenerate strength. A prospective series of 14 patients over 5 years. One cohort (Group A) of these cases presented with established regenerate insufficiency leading to consideration for surgical intervention. Patients received a therapeutic regime of intravenous bisphosphonate A further cohort (Group B) of 7 patients was commenced on bisphosphonate therapy at an earlier stage, prior to the regenerate maturation phase.Background
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