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Computed tomography-based radiostereometric analysis in orthopedic research: practical guidelines
Olof H Sandberg1, Johan Kärrholm2, Henrik Olivecrona3
1Sectra AB, Linköping, Sweden. olof.sandberg@sectra.com.
Acta Orthopaedica
|July 26, 2023
Summary
Computer Tomography-based radio-stereometric analysis (CT-RSA) precisely measures implant migration. This review outlines best practices for successful CT-RSA research in orthopedics.
Area of Science:
- Orthopedic research
- Medical imaging analysis
- Biomechanical engineering
Background:
- Early implant migration predicts long-term implant survival or failure.
- Computer Tomography-based radio-stereometric analysis (CT-RSA) is a precise in vivo method for measuring implant migration.
- Advancements in CT and computing have improved CT-RSA's resolution and reduced radiation dose.
Conclusions:
- CT-RSA is a valuable and precise tool for orthopedic implant migration studies.
- Adherence to best practices maximizes the utility and reliability of CT-RSA.
- The method is adaptable and applicable to a wide range of orthopedic implants and anatomical locations.
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