The Reverse Shoulder Arthroplasty Angle in MRI: Impact of the Articular Cartilage in the Estimated Inclination of the Inferior Glenoid.
C-RSA angle
MRI
RSA angle
Reverse shoulder arthroplasty
glenoid inclination
preoperative planning
Journal
Journal of shoulder and elbow arthroplasty
ISSN: 2471-5492
Titre abrégé: J Shoulder Elb Arthroplast
Pays: United States
ID NLM: 101763114
Informations de publication
Date de publication:
2023
2023
Historique:
received:
21
10
2022
revised:
22
02
2023
accepted:
13
03
2023
medline:
4
4
2023
entrez:
3
4
2023
pubmed:
4
4
2023
Statut:
epublish
Résumé
To describe the reverse shoulder arthroplasty angle (RSA angle) in magnetic resonance imaging (MRI) and compare the angle formed using bony landmarks (Bony RSA angle or B-RSA angle) with another angle formed using the cartilage margin as reference (Cartilage RSA angle or C-RSA angle). Adult patients with a shoulder MRI obtained in our hospital between July 2020 and July 2021 were included. The C-RSA angle and B-RSA angle were measured. All images were independently assessed by 4 evaluators. Intraclass correlation coefficient (ICC) was determined for the B-RSA and C-RSA to evaluate interobserver agreement. A total of 61 patients were included with a median age of 59 years (17-77). C-RSA angle was significantly higher than B-RSA (25.4° ± 0.7 vs 19.5° ± 0.7, respectively) with a C-RSA angle is significantly higher than B-RSA angle. In cases without significant glenoid wear neglecting to account for the remaining articular cartilage at the inferior glenoid margin may result in superior inclination of standard surgical guides.
Identifiants
pubmed: 37008200
doi: 10.1177/24715492231167110
pii: 10.1177_24715492231167110
pmc: PMC10064160
doi:
Types de publication
Journal Article
Langues
eng
Pagination
24715492231167110Informations de copyright
© The Author(s) 2023.
Déclaration de conflit d'intérêts
The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
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