Motion artifacts and image quality in stroke MRI: associated factors and impact on AI and human diagnostic accuracy.

Journal: European radiology
Published Date: Jul 15, 2025

Abstract

OBJECTIVES: To assess the prevalence of motion artifacts and the factors associated with them in a cohort of suspected stroke patients, and to determine their impact on diagnostic accuracy for both AI and radiologists.

Authors

  • Christian Hedeager Krag
    From the Department of Radiology, Herlev and Gentofte Hospital, Borgmester Ib, Juuls vej 1 Herlev, Copenhagen 2730, Denmark (L.L.P., F.C.M., M.W.B., C.H.K., L.C.L., M.B.A.); Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark (L.L.P., M.W.B., C.H.K., M.B., M.B.A.); Radiological Artificial Intelligence Testcenter, RAIT.dk, Herlev, Denmark (L.L.P., F.C.M., M.W.B., C.H.K., M.B., M.B.A.); Department of Radiology, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark (M.W.B., M.B.); Department of Radiology, Aarhus University Hospital, Aarhus, Denmark (F.R.); and Department of Cardiology, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark (O.W.N.).
  • Felix Christoph Müller
    Department of Radiology, Copenhagen University Hospital at Herlev and Gentofte, Denmark; Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital at Rigshospitalet, Denmark.
  • Karen Lind Gandrup
    University Hospital Copenhagen - Herlev and Gentofte, Department of Radiology, Denmark.
  • Michael Brun Andersen
    Aarhus University, Aarhus, Denmark; Herlev Gentofte Hospital, The Capital Region, Denmark.
  • Jakob Møllenbach Møller
    Department of Radiology, University Hospital Copenhagen-Herlev and Gentofte, Copenhagen, Denmark.
  • Marie Louise Liu
    Department of Radiology, University Hospital Copenhagen-Herlev and Gentofte, Copenhagen, Denmark.
  • Anita Rud
    Department of Radiology, University Hospital Copenhagen-Herlev and Gentofte, Copenhagen, Denmark.
  • Simon Krabbe
    Department of Radiology, University Hospital Copenhagen-Herlev and Gentofte, Copenhagen, Denmark.
  • Lamaa Al-Farra
    Department of Radiology, University Hospital Copenhagen-Herlev and Gentofte, Copenhagen, Denmark.
  • Mads Nielsen
    Department of Computer Science, University of Copenhagen, Copenhagen Ø DK-2100, Denmark; Biomediq A/S, Copenhagen Ø DK-2100, Denmark.
  • Christina Kruuse
    Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark; Department of Neurology, Herlev and Gentofte Hospital, Herlev, Denmark.
  • Mikael Ploug Boesen
    Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.

Keywords

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