Reduction of locked posterior glenohumeral dislocation using the posterior arthroscopic portal

Arthroscopic Reduction of a Chronic Locked Posterior Shoulder Dislocation

“…Posterior shoulder dislocation is rare and easily overlooked because of the nearly normal shoulder appearance and the easily overlooked bulb sign on radiographs. 1 , 2 For an acute posterior shoulder dislocation, a reduction with the patient under anesthesia is easy, 3 , 4 and it is easy to maintain the reduction because there is no soft-tissue imbalance. However, for a chronic posterior shoulder dislocation, which usually appears in a locked status, a medial-to-lateral reduction and anterior-to-posterior soft-tissue balance are difficult to realize.…”