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ORIGINAL ARTICLE
Year : 2016  |  Volume : 50  |  Issue : 4  |  Page : 379-383

Arthroscopic resection of the distal clavicle in osteoarthritis of the acromioclavicular joint


1 Department of Orthopaedic Surgery, Hanyang University College of Medicine, Guri Hospital, Guri, Gyunggi-do, Korea
2 Department of Orthopaedic Surgery, Eulji University Hospital, Daejeon, Korea

Correspondence Address:
Kwang-Won Lee
Department of Orthopaedic Surgery, Eulji University Hospital, 1306 Dunsan-dong, Seo-gu, Daejeon 302-799
Korea
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5413.185601

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Background: Symptomatic acromioclavicular joint (ACJ) lesions are a common cause of shoulder complaints that can be treated successfully with both conservative and surgical methods. There are several operative techniques, including both open and arthroscopic surgery, for excising the distal end of the clavicle. Here, we present a new modified arthroscopic technique for painful osteoarthritis of the ACJ and evaluate its clinical outcomes. Our hypothesis was that 4- to 7-mm resection of the distal clavicle in an en bloc fashion would have several advantages, including no bony remnants, maintenance of stability of the ACJ, and reduced prevalence of heterotopic ossification, in addition to elimination of the pathologic portion of the distal clavicle. Materials and Methods: 20 shoulders of 20 consecutive patients with painful and isolated osteoarthritis of the ACJ who were treated by arthroscopic en bloc resection of the distal clavicle were included in the study. There were 10 males and 10 females with an average age of 56 years (range 42-70 years). The mean duration of followup was 6 years and 2 months (range 4-8 years 10 months). The results were evaluated using the University of California Los Angeles (UCLA) shoulder rating score. Results: The overall UCLA score was 13.7 preoperatively, which improved to 33.4 postoperatively. All subscores were improved significantly ( P < 0.001). There were no specific complications at the latest followup. Conclusion: It is critical in this procedure to resect the distal clavicle evenly from superior to inferior in an en bloc fashion without any small bony remnants and to preserve the capsule and acromioclavicular ligament superoposteriorly. This arthroscopic procedure is a reliable and reproducible technique for painful osteoarthritis of the ACJ lesions in active patients engaged in overhead throwing sports and heavy labor.


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