Internal fixation with Tightrope system in the treatment of acromioclavicular joint dislocation:a review
Acromioclavicular joint dislocation is a common shoulder injury caused by injuries to the acromioclavicular and coracoclavicular ligaments,which may result in pain and limited mobility in the affected shoulder.Currently,hook plate fixation is commonly used to treat Rockwood type Ⅲ-Ⅵ acromioclavicular joint dislocation in clinical settings.However,there are complications such as subacromial impingement and osteolysis.Therefore,the treatment has gradually shifted from rigid fixation to elastic fixation,with a preference for reconstruction of the coracoclavicular ligament.The internal fixation with the Endobutton system allows for micro-movement of the acromioclavicular joint,but its loop length can't be freely adjusted.The Tightrope system is developed based on the improvement of the Endobutton system,which has been increasingly used in clinical settings in recent years,with the advantages of easy operation,adjustability and minimal trauma.However,postoperative complications such as clavicular and/or coracoid fractures and loss of reduction are prone to occur.To date,there are various and inconsistent treatment plans of internal fixation with Tightrope system for acromioclavicular joint dislocation,and their clinical effects vary.To this end,the authors reviewed the structure,biomechanics,surgical techniques,and therapeutic effects of the internal fixation with Tightrope system in the treatment of acromioclavicular joint dislocation,aiming to provide a reference for the selection of its clinical treatment.
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