CT-RSA with induced displacement used for assessment of aseptic loosening of distal femur reconstructions with megaprostheses in patients reporting pain.

Christina Berger^1,2, Bita Sharegi^1,2, John Hutchins¹, Olof Sandberg³, Helena Brisby^1,2

¹Department of Orthopedics, Institution of Clinical Sciences, Sahlgrenska Academy University of Gothenburg, Gothenburg, Sweden.

²Department of Orthopedics, Sahlgrenska University Hospital, Gothenburg, Sweden.

³Sectra Orthopaedics, Linköping, Sweden.

PubMed DOI

Abstract

AIMS: The aim of this study was to evaluate the relationship between experienced pain and findings of suspected pathological movement on CT-radiostereometric analysis (RSA) with induced displacement. METHODS: Patients with reported pain after distal femur reconstruction with a megaprosthesis between January 2000 and December 2022 indicated the pain they experienced at rest and during activity usi…

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