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Current Reviews in Musculoskeletal Medicine
Published in: Current Reviews in Musculoskeletal Medicine 6/2020

01-12-2020 | Reverse Shoulder Arthroplasty (C Chambers and E Craig, Section Editors)

Baseplate Options for Reverse Total Shoulder Arthroplasty

Authors: Wassim Mourad, J. Michael Wiater, Brett P. Wiater, Alexander Martusiewicz

Published in: Current Reviews in Musculoskeletal Medicine | Issue 6/2020

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Abstract

Purpose of Review

Baseplate fixation has been known to be the weak link in reverse total shoulder arthroplasty (RTSA). A wide variety of different baseplates options are currently available. This review investigates the recent literature to present the reader with an overview of the currently available baseplate options and modes of fixation.

Recent Findings

The main elements that differentiate baseplates are the central fixation element, the size of the baseplate, the shape, the backside geometry, whether or not an offset central fixation exists, the number of peripheral screws, and the availability of peripheral augmentation.

Summary

The wide array of baseplate options indicates that no particular design has proven superiority. As such, surgeons should be aware of their options and choose an implant that the surgeon is comfortable with and one that best suits the individual patient anatomy. With the growing number of RTSA procedures and registries with long-term follow-up, future investigations will hopefully delineate the ideal baseplate design to optimize survivorship.
Literature
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• Roche C, DiGeorgio C, Yegres J, VanDeven J, Stroud N, Flurin PH, et al. Impact of screw length and screw quantity on reverse total shoulder arthroplasty glenoid fixation for 2 different sizes of glenoid baseplates. JSES Open Access. 2019;3(4):296–303 Polyurethane bone substitute study that showed that four peripheral screws are better than two, and the same as six.CrossRef
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• Malahias MA, Chytas D, Kostretzis L, Brilakis E, Fandridis E, Hantes M, et al. Bone grafting in primary and revision reverse total shoulder arthroplasty for the management of glenoid bone loss: a systematic review. J Orthop. 2020;20:78–86 Systematic review that found moderate evidence that bone grafting is effective for glenoid defects in primary RTSA.CrossRef
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Metadata
Title
Baseplate Options for Reverse Total Shoulder Arthroplasty
Authors
Wassim Mourad
J. Michael Wiater
Brett P. Wiater
Alexander Martusiewicz
Publication date
01-12-2020
Publisher
Springer US
Published in
Current Reviews in Musculoskeletal Medicine / Issue 6/2020
Electronic ISSN: 1935-9748
DOI
https://doi.org/10.1007/s12178-020-09677-1

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