Ewha Womans University · Medicine
Professor Sang-Jin Shin's research lab specializes in shoulder and acromioclavicular joint surgery, with a primary focus on glenohumeral instability, rotator cuff repair, and traumatic joint injuries. The lab investigates critical thresholds of glenoid bone loss to guide surgical decision-making, particularly in arthroscopic Bankart repairs and bony augmentation. It also explores innovative, minimally invasive techniques such as coracoclavicular ligament reconstruction and modified suture-bridge repair methods to improve functional outcomes with reduced surgical complexity. The lab emphasizes evidence-based, prospective clinical studies to refine surgical strategies for shoulder instability and tendon repair.
Figures are computed from collected data and may differ slightly.
An anterior glenoid bone loss of 17.3% or more with respect to the longest anteroposterior glenoid width should be considered as the critical amount of bone loss that may result in recurrent glenohumeral instability after arthroscopic Bankart repair.
The critical level of anterior glenoid bone loss at which bony restorations should be considered is closer to 15% of the largest anteroposterior width of glenoid for defects perpendicular to the superoinferior glenoid axis, which is lower than the commonly accepted threshold of 20% to 25%.
Level II, prospective comparative study.
Level IV, therapeutic case series.
Level II, prospective comparative study.
Coracoclavicular ligament reconstruction using 2 suture anchors and coracoacromial ligament transfer in complete acromioclavicular dislocation is a reliable technique for restoring stability to the acromioclavicular joint.
This study investigated 11 patients with localized pigmented villonodular synovitis of the knee that was diagnosed and treated by arthroscopic technique. There were six male and five female patients between the ages of 15 and 59 years (mean, 34.6 years). Seven patients reported extension limitation without joint line tenderness. Four of the 11 patients had a history of trauma before the onset of knee symptoms. All patients were treated by arthroscopic resection with partial synovectomy. The most
The modified Mason-Allen single-row repair technique that preserved the articular-sided tendon provided satisfactory clinical outcomes in patients with symptomatic, bursal-sided partial-thickness rotator cuff tears. Despite a fewer number of suture anchors, the shoulder functional outcomes and retear rate in patients after modified Mason-Allen repair were comparable with those of patients who underwent double-row suture-bridge repair. Therefore, the modified Mason-Allen single-row repair techniq
Level IV, case series.
Although the MIPO technique for humeral shaft fractures is technically demanding, satisfactory clinical outcomes in terms of bony union and shoulder and elbow function can be obtained using the modified fracture reduction method. Potential postoperative complications, such as malreduction and nonunion, must be considered. Appropriate surgical indications, a thorough understanding of the neurovascular anatomy and skillful surgical technique, are needed to reduce potential complications.
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