scholarly journals Validation of In Vivo Linear and Volumetric Wear Measurement for Reverse Total Shoulder Arthroplasty Using Model‐Based Radiostereometric Analysis

2019 ◽  
Vol 37 (7) ◽  
pp. 1620-1627 ◽  
Author(s):  
Madeleine L Kleut ◽  
Xunhua Yuan ◽  
George S. Athwal ◽  
Matthew G. Teeter
Keyword(s):  
Shoulder Arthroplasty ◽  
Total Shoulder Arthroplasty ◽  
Reverse Total Shoulder Arthroplasty ◽  
Volumetric Wear ◽  
Radiostereometric Analysis ◽  
Model Based ◽  
Wear Measurement ◽  
Reverse Total Shoulder

In vivo reverse total shoulder arthroplasty contact mechanics

2020 ◽  
Author(s):  
Madeleine L. Van de Kleut ◽  
Chaithanya Nair ◽  
Jaques S. Milner ◽  
David W. Holdsworth ◽  
George S. Athwal ◽  
...  
Keyword(s):  
Contact Mechanics ◽  
Shoulder Arthroplasty ◽  
Total Shoulder Arthroplasty ◽  
Reverse Total Shoulder Arthroplasty ◽  
Reverse Total Shoulder

scholarly journals Reverse total shoulder arthroplasty: research models

Joints ◽  
2016 ◽  
Vol 04 (04) ◽  
pp. 236-246
Author(s):  
Stefano Petrillo ◽  
Umile Longo ◽  
Lawrence Gulotta ◽  
Alessandra Berton ◽  
Andreas Kontaxis ◽  
...  
Keyword(s):  
Shoulder Arthroplasty ◽  
Considerable Increase ◽  
Glenohumeral Joint ◽  
Total Shoulder Arthroplasty ◽  
Reverse Total Shoulder Arthroplasty ◽  
Shoulder Prosthesis ◽  
Biomechanical Models ◽  
Reverse Total Shoulder Replacement ◽  
Reverse Total Shoulder

Purpose:the past decade has seen a considerable increase in the use of research models to study reverse total shoulder arthroplasty (RTSA). Nevertheless, none of these models has been shown to completely reflect real in vivo conditions. Methods: we performed a systematic review of the literature matching the following key words: “reverse total shoulder arthroplasty” or “reverse total shoulder replacement” or “reverse total shoulder prosthesis” and “research models” or “biomechanical models” or “physical simulators” or “virtual simulators”. The following databases were screened: Medline, Google Scholar, EMBASE, CINAHIL and Ovid. We identified and included all articles reporting research models of any kind, such as physical or virtual simulators, in which RTSA and the glenohumeral joint were reproduced. Results: computer models and cadaveric models are the most commonly used, and they were shown to be reliable in simulating in vivo conditions. Bone substitute models have been used in a few studies.Mechanical testing machines provided useful information on stability factors in RTSA. Conclusions: because of the limitations of each individual model, additional research is required to develop a research model of RTSA that may reduce the limitations of those presently available, and increase the reproducibility of this technique in the clinical setting.

scholarly journals Quantitative evaluation of retrieved reverse total shoulder arthroplasty liner surface deviation and volumetric wear

2018 ◽  
Vol 36 (7) ◽  
pp. 2007-2014 ◽  
Author(s):  
Michael D. Kurdziel ◽  
Michael D. Newton ◽  
Samantha Hartner ◽  
Kevin C. Baker ◽  
Jerome Michael Wiater
Keyword(s):  
Quantitative Evaluation ◽  
Shoulder Arthroplasty ◽  
Total Shoulder Arthroplasty ◽  
Reverse Total Shoulder Arthroplasty ◽  
Volumetric Wear ◽  
Surface Deviation ◽  
Liner Surface ◽  
Reverse Total Shoulder

scholarly journals In vivo three-dimensional scapular kinematic alterations after reverse total shoulder arthroplasty

2020 ◽  
Vol 28 (2) ◽  
pp. 230949902092197
Author(s):  
Eugene Kim ◽  
Taedong Jang ◽  
Hee Jin Park ◽  
Sumika Ikemoto ◽  
Tsuyoshi Murase ◽  
...  
Keyword(s):  
3D Reconstruction ◽  
Shoulder Arthroplasty ◽  
Sagittal Plane ◽  
Total Shoulder Arthroplasty ◽  
Three Dimensional ◽  
Reverse Total Shoulder Arthroplasty ◽  
Axial Plane ◽  
Coronal Plane ◽  
Reverse Total Shoulder

Background: In vivo three-dimensional (3D) kinematics of the scapula after reverse total shoulder arthroplasty (rTSA) have been sparsely investigated. The aim of this study was to analyze static and dynamic kinematic alterations of the scapula after rTSA in vivo with the use of computer-aided 3D reconstruction program. Methods: A total of 15 patients with cuff tear arthropathy treated by rTSA participated. Scapulae with rTSA and the contralateral scapulae were evaluated with computed tomography scan data in 0° and 120° forward flexion positions of the glenohumeral joint. To examine static scapular kinematic alterations, the angular position and distance from the thorax were evaluated in the shoulder neutral position. 3D rotational and translational movements of the scapula in relation to the thorax were also measured during arm elevation to evaluate dynamic scapular kinematic alterations. Results: Scapulae with rTSA were more anteriorly tilted in the sagittal plane and more internally rotated in the axial plane than were the contralateral scapulae. However, no significant differences were observed in the upward rotated position in the coronal plane or in the distance from the thorax in any plane between the scapulae with rTSA and the contralateral scapulae. In dynamic analyses, upward rotational movement in the coronal plane, external rotation in the axial plane, and posterior tilting in the sagittal plane showed significant differences between the scapulae with rTSA and the contralateral scapulae during elevation. In contrast, translational movements in coordination revealed no statistical differences between the two scapular groups except for lateral translation. Conclusion: Data from the 3D reconstruction program showed that rTSA might result in static positional changes and dynamic movement alterations. Level of Evidence: Therapeutic, IV

scholarly journals Model-based RSA is suitable for clinical trials on the glenoid component of reverse total shoulder arthroplasty

2018 ◽  
Vol 36 (12) ◽  
pp. 3299-3307 ◽  
Author(s):  
Alexander Nilsskog Fraser ◽  
Masako Tsukanaka ◽  
Tore Fjalestad ◽  
Jan E. Madsen ◽  
Stephan M. Röhrl
Keyword(s):  
Clinical Trials ◽  
Shoulder Arthroplasty ◽  
Total Shoulder Arthroplasty ◽  
Reverse Total Shoulder Arthroplasty ◽  
Glenoid Component ◽  
Model Based ◽  
Reverse Total Shoulder
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