Abstract
BackgroundSeveral methods have been reported to correct deformity and shortening of the distal radius. However, the results are not entirely satisfactory. The results of bifocal osteosynthesis were retrospectively analyzed in this study.MethodsEight patients treated with bifocal osteosynthesis were evaluated retrospectively. Pre-operative and post-operative clinical and radiographic examinations were performed. Subjective symptoms and objective joint function were assessed. Radiographic data of the extent of radial lengthening and distal radial articular angle were collected.ResultsThe mean follow-up period was 46 months (37–68 months). Satisfactory wrist appearance and radial lengthening was achieved in all patients. All patients were satisfied with the wrist appearance and willing to undergo the same treatment again. The range of motion (ROM) of the forearm and wrist was significantly improved. Pin-track infections occurred in two patients, for which they received wound care and oral antibiotics. Complications such as fixation device failure, tendon rupture, fracture of regenerated bone or nerve impairment did not occur. The duration of lengthening depended on the shortening of the radius. Delayed union in the docking site was observed in two patients and union was achieved after bone grafting.ConclusionsBifocal osteosynthesis using the Ilizarov method provides a useful method for correction of radial shortening deformity with dislocation of the inferior radioulnar joint. Despite the fact that we did not validate pre-and post-operation functional outcome scores, all patients were satisfied with the wrist appearance and function.
Highlights
Several methods have been reported to correct deformity and shortening of the distal radius
Eight patients (5 males and 3 females) with distal radius deformity and radial shortening who underwent bifocal osteosynthesis were included in the current retrospective analysis
All had suffered from distal radial growth plate injury
Summary
Several methods have been reported to correct deformity and shortening of the distal radius. Radial length discrepancies result in limb shortening but are accompanied by wrist dysfunction and dislocation of the inferior radioulnar joint [3, 4]. Different methods have been reported to correct the deformity, the results of those treatments are not Ilizarov explained in detail the concept of “distractioninduced osteogenesis”, demonstrating that the application of slow, steady traction activates bone regeneration [5]. The best way to apply the Ilizarov technique to solve the problem of distal radial deformity and shortening is still controversial [1]. Simple radial shaft lengthening only solves the problem of radial shortening, but cannot restore volar tilt, ulnar inclination or the congruence of the wrist joint (Fig. 1) [8]
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