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semester or other student projects

Postoperative scapula fracture after reversed shoulder arthroplasty

Ston, Julien  
2012

Reversed shoulder arthroplasty (RSA) is recommended in case of severe muscle deficiency, along with important joint wear. Although having a correct placement of the prosthesis after the operation and a recovery of the mobility, several cases of scapula fracture are reported, in the region of the scapular spine or the acromion. Complication occurs 3 to 6 months after the surgery and may necessitate a second intervention. Such fractures are likely to be provoked by important stresses in the scapula, due to the poor muscle state, combined with the weakening of the bone induced by the implant. A 3D numerical model of the shoulder, including the prosthesis, was developed with Abaqus CAE to investigate the stresses in the different regions of the joint, when performing certain movement with the arm. The aim of the project is therefore to adapt the model to some known problematic cases, in order to identify the cause of fracture and propose an adapted solution, in function of the initial state of the joint.

  • Details
  • Metrics
Type
semester or other student projects
Author(s)
Ston, Julien  
Advisors
Terrier, Alexandre  
Date Issued

2012

Subjects

joint

•

shoulder

•

finished

Note

Semester project (Master level) Not available.

Written at

EPFL

EPFL units
LBO  
Available on Infoscience
June 19, 2012
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/81953
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