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Acute Displaced Fracture of Lateral Acromion after Reverse Shoulder Arthroplasty: A Case Report and Surgical Technique
Clin Should Elbow 2019;22:106-109
Published online June 1, 2019;  https://doi.org/10.5397/cise.2019.22.2.106
© 2019 Korean Shoulder and Elbow Society.

Chul-Hyun Cho, Jae-Won Jung, Young-Jae Lim, Sang-Soo Na, Du-Han Kim

Department of Orthopedic Surgery, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, Korea
Correspondence to: Du-Han Kim
Department of Orthopedic Surgery, Dongsan Medical Center, School of Medicine, Keimyung University, 56 Dalseong-ro, Jung-gu, Daegu 41931, Korea
Tel: +82-53-250-8028, Fax: +82-53-250-7205, E-mail: osmdkdh@gmail.com, ORCID: https://orcid.org/0000-0002-6636-9340
IRB approval (exemption granted): Keimyung University Dongsan Medical Center (No. 2018-11-017).
Received January 17, 2019; Revised March 5, 2019; Accepted March 19, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Acromial fractures are well-documented complications subsequent to reverse shoulder arthroplasty (RSA), and most appear as stress fractures with no history of single trauma. To date, no study has reported the occurrence of acute displaced acromial fracture due to sudden strong deltoid contraction during heavy work. Displacement of the fracture results in a challenging surgery since it is difficult to obtain adequate fixation in thin and osteoporotic bones. We report a rare case of acute displaced acromial fracture after successful RSA treatment, using a novel technique of open reduction and internal fixation, applying two 4.5 mm cannulated screws and lateral clavicle pre-contoured plate.
Keywords : Fractures; Scapula; Acromion; Reverse shoulder arthroplasty