Management of Acromioclavicular Joint Injuries: A Historic Account.

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Abstract

[Indexed for MEDLINE] 5. Arch Orthop Trauma Surg. 2024 Feb;144(2):601-610. doi: 10.1007/s00402-023-05112-5. Epub 2023 Nov 8. 3D C-arm navigated acromioclavicular joint stabilization. Böhringer A(1), Gebhard F(2), Dehner C(2), Eickhoff A(2), Cintean R(2), Pankratz C(2), Schütze K(2). Author information: (1)Department of Trauma Hand and Reconstructive Surgery, Ulm University, Albert-Einstein-Allee 23, 89081, Ulm, Germany. alexander.boehringer@uniklinik-ulm.de. (2)Department of Trauma Hand and Reconstructive Surgery, Ulm University, Albert-Einstein-Allee 23, 89081, Ulm, Germany. INTRODUCTION: Surgical treatment options for acromioclavicular joint separations are varied. Frequently, suspension devices (SD) are inserted for stabilization under arthroscopic view. This study investigates the feasibility and accuracy of three-dimensional (3D) digital-volume-tomography (DVT) C-arm navigated implantation with regard to the general trend toward increasingly minimally invasive procedures. MATERIALS AND METHODS: The implantation of a TightRope® suture button system (SD) via a navigated vertical drill channel through the clavicle and coracoid was investigated in 10 synthetic shoulder models with a mobile isocentric C-arm image intensifier setup in the usual parasagittal position. Thereby, in addition the placement of an additive horizontal suture cerclage via a navigated drill channel through the acromion was assessed. RESULTS: All vertical drill channels in the Coracoclavicular (CC) direction could be placed in a line centrally through the clavicle and the coracoid base. The horizontal drill channels in the Acromioclavicular (AC) direction ran strictly in the acromion, without affecting the AC joint or lateral clavicle. All SD could be well inserted and anchored. After tensioning and knotting of the system, the application of the horizontal AC cerclage was easily possible. The image quality was good and all relevant structures could be assessed well. CONCLUSION: Intraoperative 3D DVT imaging of the shoulder joint using a mobile isocentric C-arm in the usual parasagittal position to the patient is possible. Likewise, DVT navigated SD implantation at the AC joint in CC and AC direction on a synthetic shoulder model. By combining both methods, the application in vivo could be possible. Further clinical studies on feasibility and comparison with established methods should be performed. © 2023. The Author(s). DOI: 10.1007/s00402-023-05112-5 PMCID: PMC10822796