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

Albin Christensson¹, Hassan M Nemati², Gunnar Flivik³

¹Department of Orthopedics, Skåne University Hospital, Clinical Sciences, Lund University, Lund. albin.christensson@med.lu.se.

²Ortoma AB, Gothenburg, Sweden.

³Department of Orthopedics, Skåne University Hospital, Clinical Sciences, Lund University, Lund.

PubMed PMC DOI PDF

Abstract

BACKGROUND AND PURPOSE: Radiostereometry (RSA) is the current gold standard for evaluating early implant migration. CT-based migration analysis is a promising method, with fewer handling requirements compared with RSA and no need for implanted bone-markers. We aimed to evaluate agreement between a new artificial intelligence (AI)-based CT-RSA and model-based RSA (MBRSA) in measuring migration of c…

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