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2021 Annual Meeting Shoulder Access Pass
It’s More than Size that Matters: The Role of Glen ...
It’s More than Size that Matters: The Role of Glenoid Concavity in Shoulder Instability with Anterior Bone Loss
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Video Transcription
Video Summary
In this video, Jens Wermers, an engineer from the University Hospital in Münster, Germany, discusses the role of glenoid concavity in shoulder instability with anterior glenoid bone loss. The study was supported by a research grant from the Society for Arthroscopy and Joint Surgery in Switzerland, with a human head implant provided by Arthrex. The decision-making process for treating shoulder instability is typically based on critical defect size, but there is ongoing discussion about the best threshold. Biomechanical studies have shown that glenoid concavity significantly affects stability, and evaluating concavity could provide a more accurate estimate of remaining stability compared to defect size measurement. The bony shoulder stability ratio is a parameter derived from radiological measurements of the glenoid and shows promise. The findings suggest that concavity is crucial for shoulder stability and could improve personalized clinical decision-making for treating bony glenoid defects. Future research will explore the influence of concavity in relation to muscle forces, capsulolabral tissues, and radiological estimation of the bony shoulder stability ratio.
Asset Caption
Jens Wermers, MSc
Keywords
glenoid concavity
shoulder instability
anterior glenoid bone loss
bony shoulder stability ratio
personalized clinical decision-making
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