The base of coracoid process as a reference for glenoid reconstruction in primary or revision reverse shoulder arthropla
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ORTHOPAEDIC SURGERY
The base of coracoid process as a reference for glenoid reconstruction in primary or revision reverse shoulder arthroplasty: CT‑based anatomical study Nadine Ott2 · Jan‑Dirk Kieback1 · Kristan Welle1 · Christian Paul3 · Christof Burger1 · Koroush Kabir1 Received: 14 April 2020 / Accepted: 15 October 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Introduction Joint replacement surgery as a treatment for glenohumeral arthritis with glenoid bone loss is challenging. The aim of this study is to offer an anatomical orientation for glenoid reconstruction. Methods In this study, we measured size, inclination and version of the glenoid surface, as well as the distance between the articular line of the glenoid, base of the coracoid process, and acromion using computer tomographic (CT) imaging of 131 study participants aged 19–88 years in the period of 2010–2013. Results We measured a mean distance of 6.5 ± 0.2 mm from the glenoid articular line to the base of the coracoid process in the transverse CT plane. Body height has shown no significant impact on the glenoid morphology. We observed significant differences between males and females: The glenoid appeared to be located 5.2 ± 0.9 mm higher and the humeral head was 4.5 ± 0.7 mm larger in male subjects compared with females (r = .699; p
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