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[Metal glenoid augmentation in revision arthroplasty]
Jan Geßmann1, Dominik Seybold2
1OPND, Orthopädie/Unfallchirurgie, Plange Mühle 4, 40221, Düsseldorf, Deutschland. gessmann@opnd-duesseldorf.de.
Orthopadie (Heidelberg, Germany)
|January 18, 2023
Summary
Revision shoulder arthroplasty with severe bone loss presents challenges. Patient-specific glenoid implants and virtual planning offer promising solutions for improved fixation and stability in complex cases.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
Context:
- Glenoid implantation in revision shoulder arthroplasty is technically demanding, especially with significant bone loss.
- Existing methods may offer questionable fixation of the base plate in native bone.
Purpose:
- To evaluate the potential of metal glenoid augmentation and patient-specific glenoid implants for severe bone loss in revision shoulder arthroplasty.
- To explore the role of virtual planning techniques in assessing bone loss and planning augmentation strategies.
Summary:
- Virtual planning facilitates detailed evaluation of bone loss and planning of augmentation options.
- Patient-specific implants are indicated when native bone fixation is uncertain, utilizing manufacturer support and finite element analysis for stability.
- Optimized implant fit into bony defects achieves high primary stability, with promising short-term outcomes.
Impact:
- Patient-specific implants offer a potential solution for complex revision shoulder arthroplasty cases with severe bone loss.
- Virtual planning and finite element analysis enhance the precision and predictability of glenoid reconstruction.
- While short-term results are encouraging, long-term data and revision options necessitate careful patient selection.
