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  • Title: The use of vascularised bone capping to prevent and treat amputation stump spiking in the paediatric population.
    Author: Murphy AD, Atkins SE, Thomas DJ, McCombe D, Coombs CJ.
    Journal: Microsurgery; 2017 Sep; 37(6):589-595. PubMed ID: 28121366.
    Abstract:
    BACKGROUND: Overgrowth of the stump skeleton is a major complication seen in children after an amputation. In advanced cases, perforation of the bone spike through the skin can occur. Many surgical treatments have been employed to treat and prevent this, with best results seen when non-vascularised osteo-chondral bone grafts are placed to try to mimic a trans-articular amputation. We reviewed our outcomes using vascularized bone flaps to prevent and treat spiking. PATIENTS AND METHODS: Between 2000 and 2016 we carried out six vascularised osteo-cartilaginous bone capping procedures. Five patients underwent the procedure as an adjunct to primary amputation and in a single patient it was used to treat established bone spiking. Trauma accounted for three cases, with the other three being tumour, vascular malformation and ischemia. Three patients had pedicled bone flaps placed on the amputation stump and three underwent free tissue transfer (free calcaneus, free scapular angle, and free proximal tibia). Five cases involved lower limb amputations, with one in the upper limb. RESULTS: One patient had an early post-operative complication in the form of partial skin flap necrosis that required debridement and skin grafting. All bone flaps survived. Mean follow-up was 6.5 years. All patients had bony union with no development of stump spiking. Two patients required further procedures unrelated to the bone flaps. CONCLUSION: Vascularised bone flaps to cap amputation stumps may be a safe and effective method of preventing and treating long-bone stump spiking following amputation in children.
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