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Zonal fixation in revision total knee arthroplasty.
R Morgan-Jones1, S I S Oussedik2, H Graichen3
1Cardiff & Vale NHS Trust, University Hospital Llandough, Penlan Road, Llandough, Penarth, Vale of Glamorgan, CF64 2XX, UK.
The Bone & Joint Journal
|January 29, 2015
Summary
Achieving stable fixation in revision knee arthroplasty is crucial. Surgeons should aim for solid fixation in at least two of three anatomical zones (epiphysis, metaphysis, diaphysis) for successful outcomes.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
- Implantology
Background:
- Revision knee arthroplasty poses significant challenges, particularly regarding implant fixation.
- Primary fixation of implants into host bone is essential for long-term success.
Purpose of the Study:
- To discuss methods for achieving solid primary fixation in revision knee arthroplasty.
- To highlight the importance of anatomical zones for implant support.
Main Methods:
- Review of anatomical zones (epiphysis, metaphysis, diaphysis) in femur and tibia for implant support.
- Discussion of fixation techniques applicable to each anatomical zone.
Main Results:
- Identification of three distinct anatomical zones for supporting revision implants.
- Emphasis on the necessity of achieving fixation in multiple zones.
Conclusions:
- Solid fixation in at least two of the three anatomical zones is recommended for revision knee arthroplasty.
- Pre-operative planning and careful implant selection are critical for successful revision surgery.
