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KMID : 0858320100130020194
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Journal of the Korean Shoulder Elbow Society
2010 Volume.13 No. 2 p.194 ~ p.201
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The Necessity of Coracoclavicular Ligament Repair in Open Reduction for the Acromioclavicular Joint Dislocations
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Kim Eu-Gene
Shin Hun-Kyu
Jeong Hwa-Jae
Choi Jae-Yeol
Park Se-Jin
Choi Gyu-Bo
Lim Jong-Jun
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Abstract
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Purpose: We evaluated clinical and radiological results for open reduction and internal fixation of acromioclavicular dislocation without coracoclavicular ligament repair after removal of implants.
Materials and Methods : Clinical and radiological results were obtained for 53 patients who underwent open reduction and internal fixation of an acromioclavicular joint dislocation between 1998 and 2007. A total of 21 patients were treated with a modified-Phemister method and 32 patients were treated with a Hook plate method. All subjects were surveyed after removal of their implants. The Constant scoring system was administered postoperatively to evaluate clinical results. Radiologic outcomes were evaluated by both coracoclavicular intervals on plain films.
Results: Constant scores were 87.59±7.8 in the Phemister group and 89.35±5.3 in the Hook plate group. For both groups, the mean coracoclavicular interval at preoperative radiography was 15.9 mm at the injured site and 8.0 mm at the opposite site. After metal removal, the mean difference between coracoclavicular distances between normal and injured sites were 1.0 mm for the Hook plate group and 1.2 mm for the modified Phemister method group (p>0.05).
Conclusion: Open reduction and internal fixation of an acromioclavicular joint without coracoclavicular ligament repair shows good long-term clinical and radiological results.
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KEYWORD
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Acromioclavicular dislocation, Coracoclavicular ligament repair, Modified Phemister, Hook plate
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