The Reliability of Acromioclavicular Joint Dislocation Classification Systems: A Comparison Between the Rockwood and Kraus Classifications.

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Abstract

Conflict of interest statement: The authors have declared that there are no conflicts of interest in the authorship and publication of this contribution. AOSSM checks author disclosures against the Open Payments Database (OPD). AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto. 17. Orthopade. 2018 Feb;47(2):158-167. doi: 10.1007/s00132-017-3517-0. [Current aspects and new techniques in dislocation of the shoulder joint]. [Article in German] Abel J(1), Zumstein MA(2), Bolliger L(1), Schär MO(1). Author information: (1)Universitätsklinik für Orthopädische Chirurgie und Traumatologie, Inselspital, Universität Bern, 3010, Bern, Schweiz. (2)Universitätsklinik für Orthopädische Chirurgie und Traumatologie, Inselspital, Universität Bern, 3010, Bern, Schweiz. matthias.zumstein@insel.ch. With 12% of all injuries concerning the shoulder, acromioclavicular (AC) joint dislocations are a common injury especially in young and active patients. The Rockwood classification is widely accepted, which differentiates between six types depending on the degree of injury and the vertical dislocation. Because the classification does not adequately address the horizontal instability, its benefits are questionable and there is currently no consensus. For this reason, the classification and the therapy of these injuries are increasingly becoming the subject of scientific investigations. Whereas conservative treatment for type I and II injuries and operative treatment for type IV-VI injuries are widely accepted, there is still no agreement in treating type III lesions. The goal of this review article is to present the current evidence for the diagnostics, different classifications and therapeutic possibilities. DOI: 10.1007/s00132-017-3517-0