Purpose: No literature consensus was found about the best treatment of acute Rockwood type III acromioclavicular joint (ACJ) dislocation. In particular, the advantages and disadvantages between conservative treatment and surgery are not sufficiently quantified in the current literature.

Methods: A systematic literature search was conducted using PubMed, Web of Science and Embase in March 2024. We selected studies comparing surgical and conservative treatment in acute Rockwood III ACJ dislocations. The two treatment methods were compared in terms of Constant score; Disabilities of the Arm, Shoulder, and Hand (DASH); American Shoulder and Elbow Surgeons (ASES) score; Acromioclavicular Joint Instability Score (ACJIS); subjective shoulder value (SSV); radiographical findings; reported complications; and return to sports activity. The risk of bias and quality of evidence were assessed using Cochrane guidelines.

Results: A total of 1844 articles were evaluated, and ten were included in the study for a total of 397 patients. The results of the meta-analysis showed no significant differences between the two groups in terms of Constant score (P = 0.31), DASH (P = 0.52), ASES (P = 0.66) and SSV (P = 0.21), while it highlighted a statistically significant difference in terms of ACJIS (P = 0.00) and acromioclavicular (P = 0.00) and coracoclavicular distance (P = 0.00).

Conclusion: The results showed no significant differences in terms of patient-reported or objective functional outcomes between the two treatment groups. Nonetheless, it highlights a difference in terms of radiographical outcomes and type of complications. While surgical intervention is able to improve joint reduction, it adds the risk for surgical complications.

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http://dx.doi.org/10.1530/EOR-2024-0077DOI Listing

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