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Knee positioning systems for X-ray environment: a literature review
Catarina Lopes1,2, Adelio Vilaca3,4, Cláudia Rocha5
1Faculty of Engineering, University of Porto, Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal. up201606195@up.pt.
Physical and Engineering Sciences in Medicine
|January 24, 2023
Summary
Knee positioning systems improve stress X-ray objectivity and reproducibility for diagnosing knee injuries. However, current systems lack radiolucency and versatility for easier clinical use.
Area of Science:
- Orthopedics
- Radiology
- Biomedical Engineering
Background:
- The knee joint is highly susceptible to injuries and degenerative conditions.
- Increasing knee pathologies necessitate more frequent X-ray imaging for diagnosis and monitoring.
- Stress radiography offers objective knee laxity measurements, surpassing physical examinations.
Purpose of the Study:
- To review existing knee positioning systems for stress radiography.
- To evaluate the effectiveness of these systems in improving diagnostic accuracy and reducing errors.
- To identify limitations and areas for improvement in current positioning technology.
Main Methods:
- Systematic review of literature on knee positioning systems for X-ray.
- Analysis of system performance regarding objectivity, reproducibility, and radiolucency.
- Evaluation of ergonomic factors and versatility in clinical settings.
Main Results:
- Positioning systems enhance objectivity and reproducibility in stress knee radiographs.
- These systems help minimize physician radiation exposure and reduce image rejections.
- Identified limitations include lack of radiolucency and limited versatility.
Conclusions:
- Knee positioning systems have positively impacted stress radiography quality.
- Further development is needed to create radiolucent, versatile, and user-friendly systems.
- Improved systems can enhance diagnostic confidence and patient outcomes in knee imaging.
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