CT-based migration analysis is more precise than radiostereometric analysis for tibial implants: a phantom study on a porcine cadaver

LHW Engseth, A Schulz, AH Pripp… - Acta …, 2023 - pmc.ncbi.nlm.nih.gov
Background and purpose Radiostereometric analysis (RSA) is the gold standard for
migration analysis, but computed tomography analysis methods (CTRSA) have shown …

Comparison between model-based RSA and an AI-based CT-RSA: an accuracy study of 30 patients

A Christensson, HM Nemati, G Flivik - Acta Orthopaedica, 2024 - pmc.ncbi.nlm.nih.gov
Background and purpose Radiostereometry (RSA) is the current gold standard for
evaluating early implant migration. CT-based migration analysis is a promising method, with …

Inducible displacement of cementless total knee arthroplasty components with conventional and weight‐bearing CT‐based radiostereometric analysis

RA Hext, BL Kaptein, JL Howard… - Journal of …, 2024 - Wiley Online Library
Aseptic loosening remains one of the top causes of revision surgery of total knee
arthroplasty (TKA). Radiostereometric analysis (RSA) is used in research to measure …

Dose reduction does not impact the precision of CT-based RSA in tibial implants: a diagnostic accuracy study on precision in a porcine cadaver

Ø Frank-David, LHW Engseth, AH Pripp… - Acta …, 2023 - pmc.ncbi.nlm.nih.gov
Background and purpose Radiostereometric analysis (RSA) is the gold standard for
evaluation of migration of implants. CT-RSA has been shown to have precision at the level …

Accuracy and precision of Volumetric Matching Micromotion Analysis (V3MA) is similar to RSA for tibial component migration in TKA

NN de Laat, LA Koster, BC Stoel… - Journal of …, 2025 - Wiley Online Library
Radiostereometric analysis (RSA) is the current gold standard to determine implant
migration, but it requires bone markers and special equipment. Therefore, we developed …

[HTML][HTML] Mobile-bearing total ankle replacement in vivo kinematic assessment: a prospective study protocol

S Caravelli, L Bragonzoni, E Vocale, R Zinno… - Journal of Clinical …, 2022 - mdpi.com
Total ankle prosthesis as a surgical solution in the case of end-stage osteoarthritis has seen
a considerable increase in the last two decades. This study protocol arises from the need to …

Low dose CT-based spatial analysis (CTSA) to measure implant migration after ceramic hip resurfacing arthroplasty (HRA): A phantom study

SG Clarke, K Logishetty… - Proceedings of the …, 2023 - journals.sagepub.com
Implant migration is a predictor of arthroplasty survivorship. It is crucial to monitor the
migration of novel hip prostheses within premarket clinical investigations. RSA is the gold …

CT-based radiostereometric analysis for assessing midfoot kinematics: precision compared with marker-based radiostereometry

M Poulsen, AH Stødle, L Nordsletten… - Acta …, 2023 - pmc.ncbi.nlm.nih.gov
Background and purpose 3-dimensional midfoot motion is hard to evaluate in clinical
practice. We present a new computed tomography (CT)-based radiostereometric analysis …

Comparison of Marker‐Based RSA and CT‐RSA for Analyzing Micromotions After Distal Radius Osteotomy: A 1‐Year Retrospective Study of 24 Patients

V Angelomenos, O Sandberg… - Journal of …, 2025 - Wiley Online Library
Radiostereometric Analysis (RSA) is the most accurate method for determining early
micromotions of orthopedic implants. Computed Tomography Radiostereometric Analysis …

[HTML][HTML] Comparison of the CT-based micromotion analysis method versus marker-based RSA in measuring femoral head translation and evaluation of its intra-and …

V Angelomenos, B Shareghi, R Itayem… - Acta …, 2025 - pmc.ncbi.nlm.nih.gov
Background and purpose Computed tomography radiostereometric analysis (CT-RSA)
assesses implant micromovements using low-dose CT scans. We aimed to investigate …