Treatment of Type Ⅲ Acromioclavicular Dislocation with Coracoclavicular Screw and Transacromion Tension Band Wires: A Report of Seven Cases

Purpose: Pullout of the coracoclavicular screw sometimes develops after surgical treatment of acromioclavicular dislocation with only one coracoclavicular screw. This fixation method may not tolerate postoperative physiotherapy. The augmented technique was therefore developed to provide an alternative surgical method in treating Rockwood type Ⅲ acromioclavicular dislocation. Materials and Me thods: There were seven patients with seven acromioclavicular dislocation treated with open reduction and internal fixation with a coracoclavicular screw and tension band wires from July 2000 to June 2005. The surgical indications were active, heavy manual workers with Rockwood type Ⅲ acromioclavicular dislocation. Arm sling protection of the involved shoulder was immediately applied postoperatively and lasted for 6 weeks. Both of the passive and active range of motion exercise of the injured shoulder were initiated 6 weeks after the surgery. The implants were removed about 3 months after the surgery. Results: All seven patients with complete follow-up achieved painless full motion of the involved shoulder. No pullout of the coracoclavicular screw was noted postoperatively. No redislocation of acromioclavicular joint developed after removal of the implant. All patients returned to their pre-injury status of work, and all returned to their previous sporting activities, including overhead sports. Conclusions: This modified surgical method for treatment of Type Ⅲ AC dislocation may be a safe alternative procedure, especially in the young, active, and heavy manual workers.

並列關鍵字

acromioclavicular dis location ； coracoclavicular screw ； transacromion tension band wires ； augmented technique ； shoulder injury

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