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Mid-Term Outcomes of Arthroscopically-Assisted Anatomic Coracoclavicular Ligament Reconstruction Using Tendon
Philip C Nolte1, Joseph J Ruzbarsky2, Bryant P Elrick3
1Steadman Philippon Research Institute, Vail, Colorado, U.S.A.; BG Trauma Center Ludwigshafen at the University of Heidelberg, Clinic for Trauma and Orthopaedic Surgery, Ludwigshafen, Germany.
Purpose:
The purposes of this study were to assess clinical and radiographic outcomes of arthroscopically-assisted, anatomic coracoclavicular ligament reconstruction using tendon allograft (AA-ACCR) for the treatment of Rockwood type III-V injuries at minimum 2-year follow-up and to perform subgroup analyses of clinical and radiographic outcomes for acute versus chronic and type III versus type IV-V injuries.
Methods:
In this retrospective study of prospectively collected data, patients who underwent primary AA-ACCR for the treatment of type III-V dislocations and had minimum 2-year follow-up were included. Preoperative and postoperative patient-reported outcome scores (PROs) were collected, including American Shoulder and Elbow Surgeons score, Single Numeric Assessment Evaluation score, Short Form-12 Physical Component Summary, Quick Disabilities of the Arm Shoulder and Hand score, and patient satisfaction. Preoperative and postoperative coracoclavicular distance (CCD) was obtained. PROs and CCD were reported for the total cohort and for the subgroups. Complication and revision rates were demonstrated.
Results:
In total, 102 patients (10 women, 92 men) with a mean age of 45.0 years (range, 18-73 years) were included. There were 13 complications (12.7%) resulting in revision surgery. After exclusion of revised patients, PROs were available for 69 (77.5%). At mean follow-up of 4.7 years (range, 2.0-12.8 years), all PROs improved significantly (P < .001). Median patient satisfaction was 9.0 (interquartile range, 8.0-10.0). Median preoperative to postoperative CCD decreased significantly (P < .001). Subgroup analyses revealed significant improvements in all PROs and CCD from preoperative to postoperative for both acute and chronic, and type III and type IV-V dislocations (P < .05) with no significant differences in postoperative PROs and satisfaction between (P > .05).
Conclusion:
AA-ACCR for high-grade acromioclavicular joint injuries resulted in high postoperative PROs and patient satisfaction with significant improvements from before to after surgery in those who did not undergo revision surgery. Furthermore, subgroup analyses revealed that acute and chronic, and type III and type IV-V injuries benefitted similarly from AA-ACCR.
Level Of Evidence:
Level IV; therapeutic case series.
