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Acromioclavicular (AC) joint injuries are a common cause of shoulder pain, particularly among young athletes participating in contact sports. Injuries to the AC joint most commonly occur from direct impact at the acromion and are classified as types I to VI. Although most AC joint injuries can be treated nonoperatively, types IV to VI are best treated with surgery, with type III being controversial and most surgeons recommending an initial trial of nonoperative treatment. Although numerous surgical techniques have been described, no gold standard technique has been established. Biomechanical testing suggests that anatomic reconstruction of both the AC and coracoclavicular ligaments results in a superior surgical construct. The objective of this Technical Note is to describe our preferred technique for the primary treatment of AC joint instability in the acute and chronic setting. Using 2 free tendon grafts in combination with a cortical button suspensory device combines the advantages of a nonrigid biologic and anatomic AC and coracoclavicular ligament reconstruction while benefiting from the strength of a cortical suspensory device in resisting displacement of the AC joint.

Primary Acromioclavicular-Coracoclavicular Reconstruction Using 2 Allografts, TightRope, and Stabilization to the Acromion