Treatment of the Acromioclavicular Joint Dislocation Using a AO Hook Plate

Abstract

Purpose:We wanted to evaluate the results of treating acromioclavicular joint dislocation using an AO hook plate. Materials and Methods: Between February 2008 and September 2009, 10 patients underwent implant removal after surgical treatment of acromioclavicular joint dislocation using a AO hook plate. The Constant-Murley scoring system was administered postoperatively for evaluating the clinical results, and simple X-ray was taken for evaluating the state of reduction. Results: All cases showed satisfactory results on the clinical and radiological study. The mean ConstantMurley score at follow-up was 90.5 (range: 84~95). Three patients had some degree of discomfort with the hook plate, but these symptoms were relieved on removal of the plate. The radiological evaluation showed restoration of the vertical displacement of the clavicle in all the patients. No complications occurred such as infection, plate failure or redislocation after removal of the plate. Conclusion:The short term follow-up results of treating acromioclvicular joint dislocation using an AO hook plate were satisfactory both clinically and radiologically.

Clinical outcomes of bending versus non-bending of the plate hook in acromioclavicular joint dislocation

“…considered the ideal method as it could easily maintain reduction without affecting the injury to the AC joint space, and it allows normal biomechanical rotation between the clavicle and scapula with non-rigid fixation. This allows long-term retention of the plates, which can help in appropriate recovery of the coracoclavicular (CC) ligament [9][10][11][12].…”