Abstract
Background and purposeThe evaluation of metaphyseal angular deformities in children includes indication and timing for corrective osteotomy, and possible need for several operations during growth. Gap-fillers are usually autologous bone grafts, which might cause donor site problems. Calcium phosphate (CaP) bone cement may be a possible alternative.Patients and methodsWe performed 15 corrective osteotomies from 2007 to 2013 in 10 children, ages 5 to 18, with Norian SRS bone cement as a gap-filler, in the distal radius (12), proximal radius (1), and proximal humerus (2). Due to growth arrest and gradually increasing malalignments 3/10 children needed 1–3 additional corrections. Locking plates and screws were used except in 1 case at first surgery, aged 5 (K-wires). 2 children needed additional limb lengthening with external fixator.ResultsAll osteotomies healed. Postoperative radiographs and CT scans showed good alignment and gradual transformation of cement into bone. Remodeling was visible intraoperatively in patients needing multiple surgeries. Return to earlier osteotomy sites was unproblematic. No adverse events from using CaP cement were experienced.InterpretationCaP cement is an alternative to bone grafts in upper extremity metaphyseal corrective osteotomies in children, and also when greater corrections are necessary or several surgeries indicated during the growth period.
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