견쇄관절 분리 치료의 임상 결과

Abstract

Purpose: Rock wood type IV, V, VI and unstable type III acromioclavicular joint separations are often treated operatively. This study examined the clinical and radiologic outcomes after the treatment between tight rope fixation and hook plate fixation. Materials and Methods: From November 2016 to March 2020, 18 cases with Rockwood type III-VI acromioclavicular joint separation underwent tight rope fixation and hook plate fixation (hook plate: 6, tight rope : 12). Periodic radiographs were used to evaluate the coracoclavicular distance. UCLA score and visual analog scale(VAS) were carried out to evaluate postoperative clinical function. Results: Overall, 18 patients(hook plate : 6, tight rope : 12)met the inclusion criteria, there were statistically no difference in radiographic findings and functional results between the two groups. The acromioclavicular joint were well reduced in both groups, the comparative coracoclavicular distance increased to 31.72% (hook plate), 33.16%(tight rope) and UCLA score 27.50(hook plate), 27.25(tight rope) at the final follow up. Between two groups, no one was significantly superior to the other. Failure after surgical stabilization of AC joint separation has been reported in 2 cases in hook plate fixation group. Conclusion: No consensus is available regarding the treatment of acute acromioclavicular joint separation between hook plate fixation and tight rope fixation group. There was no significant difference between two groups in statistics. But tight rope fixation technique, which is less invasive and does not require additional surgery, is considered to be satisfactory technique for the treatment of AC joint separation.