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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_20 | Pages 33 - 33
1 Dec 2017
Letissier H Walch G Boileau P Le Nen D Stindel E Chaoui J
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Introduction

Reverse Total Shoulder Arthroplasty (rTSA) is an efficient treatment, to relieve from pain and to increase function. However, scapular notching remains a serious issue and post-operative range of motion (ROM) presents many variations. No study compared implant positioning, different implant combinations, different implant sizes on different types of patient representative to undergo for rTSA, on glenohumeral ROM in every degree of freedom.

Material and Methods

From a CT-scan database classified by a senior surgeon, CT-exams were analysed by a custom software Glenosys® (Imascap®, Brest, France). Different glenoid implants types and positioning were combined to different humerus implant types. Range of motion was automatically computed. Patients with an impingement in initialisation position were excluded from the statistical analysis. To validate those measures, a validation bench was printed in 3D to analyse different configurations.