Related Experiment Video
Updated: Jul 16, 2026

Anterior Capsular Reconstruction with Human Dermal Allograft for Irreparable Subscapularis Tears
Published on: May 9, 2025
Editorial Commentary: Acromioclavicular Joint Reconstruction With Double-Bundle Constructs Provides Improved
None:
Treatment of acute acromioclavicular (AC) joint separations is dependent on a variety of factors, including severity, acuity, patient demographics, activity level, and surgeon preferences. For more severe or unstable separations (Rockwood types IIIB, IV, V, and VI), surgical intervention is typically recommended. Over 160 surgical techniques have been described, but none have emerged as a gold standard. Arthroscopic-assisted or all-arthroscopic fixation of the coracoclavicular ligaments with suture buttons has become increasingly popular due to lower complication rates compared with more rigid fixation. Configurations include single-bundle (SB) constructs and double-bundle (DB) configurations that more anatomically reconstruct the conoid and trapezoid ligaments but with longer operative times. Clinical studies with short-term follow-up have demonstrated improved maintenance of fixation for DB compared with SB constructs but no significant differences in clinical outcomes. In our experience, SB suture button-only constructs lead to unacceptable failures due to loss of reduction. We recommend either a single suture button construct augmented with allograft or DB suture button constructs for the treatment of acute AC joint separations.
Related Concept Videos
Structural Joints: Cartilaginous Joints
There are two types of cartilaginous joints:
Synchondrosis
A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary or...
Structural Joints: Synovial Joints