• Hyojune Kim, Jaeyoung Park, In-Ho Jeon, and Kyoung Hwan Koh.
• Department of Orthopedic Surgery, Hospital of Chung-Ang University of Medicine, Dongjak-gu, Seoul, Republic of Korea.
• Injury. 2024 Dec 1; 55 (12): 111951111951.

PurposesWe aimed to compare the clinical efficacy of superior acromioclavicular ligament reconstruction (SALR) using acellular dermal allograft with that of clavicular hook plate fixation (HP) in patients with acromioclavicular (AC) dislocations. We hypothesized that the SALR could provide more stability than hook plate.MethodsTwenty-two cases of acute AC joint dislocation between November 2021 to December 2023 were retrospectively reviewed. All patients were divided into 2 groups based on the treatment with SALR (12 cases) or HP (10 cases). Patients were evaluated radiologically and clinically using coracoclavicular distance and ratio, pain visual analogue scale (PVAS), Single Assessment Numerical Evaluation (SANE), and American Shoulder and Elbow Surgeons (ASES) at postoperative 3 months and 1 year. We evaluated whether patient achieve MCID of PVAS at the last visit, based on the minimal clinically important differences (MCIDs) of PVAS.ResultsThe SALR group showed a lower rate of reduction loss (8.3 % vs. 40.0 %) and similar clinical outcomes compared to the hook plate group. Initial SANE score was statistically significantly lower in SALR group (SANE: SALR, 45.8 ± 20.7; HP, 68.0 ± 15.5, p = 0.009), but there were no significant differences in final clinical outcomes, including PVAS, ASES, and SANE scores.ConclusionSALR with acellular dermal allograft demonstrates comparable clinical outcomes to hook plate fixation and may offer a viable alternative, especially in complicated cases.Study DesignCase series; Level of evidence, 4.Copyright © 2024 Elsevier Ltd. All rights reserved.

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