• Shahbaz S Malik, Sheraz Malik, Muaaz Tahir, Robert W Jordan, Hubert Laprus, and Peter D'Alessandro.
• Worcestershire Acute Hospitals NHS Trust, Charles Hastings Way, Worcester, WR5 1DD, UK. shahb.malik@gmail.com.
• Arch Orthop Trauma Surg. 2023 Mar 1; 143 (3): 145914771459-1477.

BackgroundIt is well established that non-operative treatment of displaced distal clavicle fractures (DDCF) leads to a high non-union rate. A number of open surgical treatments in the past have shown good to excellent outcomes including shoulder function and union rate. Despite this there is no consensus on the outcome of open coraco-clavicular ligament reconstruction (CCLR). The aim of this systematic review was to assess the union rate, complications and shoulder function of open CCLR techniques in the treatment of DDCF.Patients And MethodsA review of the online databases MEDLINE and Embase was conducted on 1 January 2021 according to PRISMA guidelines. The review was registered prospectively in the PROSPERO database. Clinical studies reporting union rate, complications and shoulder function were included. The studies were appraised using the Methodological Index for Non-Randomized Studies (MINORS) tool.ResultsThe search strategy identified 18 studies eligible for inclusion with a total of 330 patients. These included 12 retrospective case series and 5 nonrandomized retrospective comparative studies and one RCT. All but one study reported on shoulder function, while all the studies reported on union rate and complications. The overall shoulder function was good to excellent using Constant-Murley score. The overall union rate was 97.6% and complication rate was 7.6%.ConclusionOpen CCLR for displaced distal clavicle fractures that have a disruption of CC ligament, is a reliable treatment with excellent union rate and good to excellent shoulder functional scores.Level Of EvidenceIV; Systematic review.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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