International Journal of Medical Sciences

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14 December 2017

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Int J Med Sci 2012; 9(8):725-729. doi:10.7150/ijms.4726

Research Paper

Clinical Effect of Acute Complete Acromioclavicular Joint Dislocation Treated with Micro-Movable and Anatomical Acromioclavicular Plate

Qingjun Liu, Jianyun Miao, Bin Lin, Zhimin Guo

Department of Orthopaedic Surgery, the Affiliated Southeast Hospital of Xiamen University, Orthopaedic Trauma Center of PLA, Zhangzhou, 363000, PR China.

Abstract

Objectives: We evaluated the long-term clinical results of acute complete acromioclavicular dislocations treated with micro-movable and anatomical acromioclavicular plate.

Methods: Open reduction and internal fixation was performed using the MAAP in 16 patients (10 males, 6 females; mean age 36 years; range16 to 63 years) with acute complete acromioclavicular joint dislocation. Radiographic evaluations were routinely conducted every 3 weeks until 3 months postoperatively. The MAAP were removed under local anesthesia after 3 months postoperatively. We evaluated the functional results by using the constant scoring system and radiological results in the last follow-up time. The mean follow up was 26 months (range 16 to 38 months).

Results: The mean Constant score was 94 (range, 78 to 100). The results were excellent in 12 patients (75.0%), good in 3 patients (18.8%) and satisfactory in 1patient (6.2%). Three patients with scores of 80 to 90 had mild pain during activity, but have not affected the shoulder range of motion. One patient has both some pain and limited range of motion of shoulder joint. All patients but one have returned to their preoperative work without any limitations. Compared to the contralateral side, radiography showed anatomical reposition in the vertical plane in 14 cases, slight loss of reduction in 2 older patients.

Conclusion: We recommend the MAAP fixation for surgical treatment of acute complete acromioclavicular joint dislocation as it could provide satisfactory shoulder functions and clinical results, with lower complication rate. However, it is necessary to continue to observe the clinical effects of this fixation technique.

Keywords: Acromioclavicular joint, Dislocation, Micro-movable fixation

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How to cite this article:
Liu Q, Miao J, Lin B, Guo Z. Clinical Effect of Acute Complete Acromioclavicular Joint Dislocation Treated with Micro-Movable and Anatomical Acromioclavicular Plate. Int J Med Sci 2012; 9(8):725-729. doi:10.7150/ijms.4726. Available from http://www.medsci.org/v09p0725.htm