J Korean Orthop Assoc.
2024 Dec;59(6):395-405. 10.4055/jkoa.2024.59.6.395 .
Hook Plate Fixation for Acute Acromioclavicular Joint Injury: Results of 112 Patients and Evaluation of Differences Depending on the Type of Plate and whether Coracoclavicular Ligament Repair was Performed
- Affiliations
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- 1Department of Orthopedic Surgery, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
- KMID: 2562667
- DOI: http://doi.org/10.4055/jkoa.2024.59.6.395
Abstract
- Purpose
This study is evaluated the clinical and radiological outcomes of Hook plate fixation in acute acromioclavicular (AC) joint injuries and the differences according to the type of plate and whether coracoclavicular (CC) ligament repair had been performed.
Materials and Methods
Between February 2008 and November 2022, 112 patients treated with a Hook plate for acute AC joint injuries were analyzed retrospectively. The patients were categorized into DePuy Synthes (n=76) and ARIX Hook plate group (n=36), Hook plate with CC ligament repair group (n=42) and Hook plate fixation only group (n=70). The clinical and radiologic outcomes of Hook plate fixation were evaluated by analyzing the visual analog scale (VAS) pain score, American Shoulder and Elbow Surgeons (ASES) score, University of California at Los Angeles (UCLA) score, coracoclavicular distance (CCD), subacromial erosion and associated surgical complications depending on the different types of Hook plate (DePuy Synthes vs. ARIX clavicle system) and the application of additional CC ligament repair.
Results
The median follow-up period after implant removal for the 112 patients was 7.4 months (range, 6.0–124.8 months). The ASES and UCLA scores at the final follow-up were 77.2±6.2 and 31.8±2.3, respectively, and the CCD was 115.5%±28.9% compared to the unaffected side. There were no significant differences in the final VAS score, ASES score, UCLA score, CCD, subacromial erosion and surgical complications between the DePuy Synthes and ARIX Hook plate groups. In addition, there was no difference depending on whether CC ligament repair had been performed.
Conclusion
Hook plate fixation in acute AC joint injuries showed good clinical and radiological results. It is considered a good surgical method, and there was no difference in the results depending on plate type and CC ligament repair.
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