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  • Title: Treatment of non-union of the humerus using the Orthofix external fixator.
    Author: Lavini F, Renzi Brivio L, Pizzoli A, Giotakis N, Bartolozzi P.
    Journal: Injury; 2001 Dec; 32 Suppl 4():SD35-40. PubMed ID: 11812477.
    Abstract:
    An Orthofix monolateral axial external fixator was used to treat 31 patients with non-union of the humeral shaft, 30 of whom had been previously treated surgically. In seven cases the non-union was hypertrophic and one of these cases had been treated by simple fixation anol compression, the others by fixation, bone grafting and decortication; in 20 cases the non-union was hypotrophic and had been treated by fixation and decortication with bone grafting. The remaining four cases had septic non-union, treated by debridement of the focus of infection and fixation, followed in three cases by a bone graft and osteomuscular decortication once the infection had been eradicated. The fracture site consolidated in all patients in a mean time of 4.9 months. Five patients required further surgery: three in the group with infected non-union and two who had had a new bone graft and application of the external fixator, one because of a refracture (the patient was receiving chronic treatment with antimitotic agents) and one because of persistent non-union. There were no major complications (e.g. radial nerve palsy, joint stiffness, deep infection), and only six cases of pin track infection (5% of the screws implanted). The authors believe that this method is reliable, effective and low risk provided that the patient is cooperative; furthermore, the monolateral axial external fixator is tolerated well and allows movement of the shoulder and elbow throughout the period of treatment.
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