• Medientyp: E-Artikel
  • Titel: From research to clinical practice: a European neuroradiological survey on quantitative advanced MRI implementation
  • Beteiligte: Manfrini, Elia; Smits, Marion; Thust, Steffi; Geiger, Sergej; Bendella, Zeynep; Petr, Jan; Solymosi, Laszlo; Keil, Vera C.
  • Erschienen: Springer Science and Business Media LLC, 2021
  • Erschienen in: European Radiology
  • Sprache: Englisch
  • DOI: 10.1007/s00330-020-07582-2
  • ISSN: 0938-7994; 1432-1084
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  • Beschreibung: <jats:title>Abstract</jats:title><jats:sec> <jats:title>Objective</jats:title> <jats:p>Quantitative MRI (qMRI) methods provide versatile neuroradiological applications and are a hot topic in research. The degree of their clinical implementation is however barely known. This survey was created to illuminate which and how qMRI techniques are currently applied across Europe.</jats:p> </jats:sec><jats:sec> <jats:title>Methods</jats:title> <jats:p>In total, 4753 neuroradiologists from 27 countries received an online questionnaire. Demographic and professional data, experience with qMRI techniques in the brain and head and neck, usage, reasons for/against application, and knowledge of the QIBA and EIBALL initiatives were assessed.</jats:p> </jats:sec><jats:sec> <jats:title>Results</jats:title> <jats:p>Two hundred seventy-two responders in 23 countries used the following techniques clinically (mean values in %): DWI (82.0%, <jats:italic>n</jats:italic> = 223), DSC (67.3%, <jats:italic>n</jats:italic> = 183), MRS (64.3%, <jats:italic>n</jats:italic> = 175), DCE (43.4%, <jats:italic>n</jats:italic> = 118), BOLD-fMRI (42.6%, <jats:italic>n</jats:italic> = 116), ASL (37.5%, <jats:italic>n</jats:italic> = 102), fat quantification (25.0%, <jats:italic>n</jats:italic> = 68), T2 mapping (16.9%, <jats:italic>n</jats:italic> = 46), T1 mapping (15.1%, <jats:italic>n</jats:italic> = 41), PET-MRI (11.8%, <jats:italic>n</jats:italic> = 32), IVIM (5.5%, <jats:italic>n</jats:italic> = 15), APT-CEST (4.8%, <jats:italic>n</jats:italic> = 13), and DKI (3.3%, <jats:italic>n</jats:italic> = 9). The most frequent usage indications for any qMRI technique were tissue differentiation (82.4%, <jats:italic>n</jats:italic> = 224) and oncological monitoring (72.8%, <jats:italic>n</jats:italic> = 198). Usage differed between countries, e.g. ASL: Germany (<jats:italic>n</jats:italic> = 13/63; 20.6%) vs. France (<jats:italic>n</jats:italic> = 31/40; 77.5%). Neuroradiologists endorsed the use of qMRI because of an improved diagnostic accuracy (89.3%, <jats:italic>n</jats:italic> = 243), but 50.0% (<jats:italic>n</jats:italic> = 136) are in need of better technology, 34.9% (<jats:italic>n</jats:italic> = 95) wish for more communication, and 31.3% need help with result interpretation/generation (<jats:italic>n</jats:italic> = 85). QIBA and EIBALL were not well known (12.5%, <jats:italic>n</jats:italic> = 34, and 11.0%, <jats:italic>n</jats:italic> = 30).</jats:p> </jats:sec><jats:sec> <jats:title>Conclusions</jats:title> <jats:p>The clinical implementation of qMRI methods is highly variable. Beyond the aspect of readiness for clinical use, better availability of support and a wider dissemination of guidelines could catalyse a broader implementation.</jats:p> </jats:sec><jats:sec> <jats:title>Key Points</jats:title> <jats:p><jats:italic>• Neuroradiologists endorse the use of qMRI techniques as they subjectively improve diagnostic accuracy.</jats:italic></jats:p> <jats:p><jats:italic>• Clinical implementation is highly variable between countries, techniques, and indications.</jats:italic></jats:p> <jats:p><jats:italic>• The use of advanced imaging could be promoted through an increase in technical support and training of both doctors and technicians.</jats:italic></jats:p> </jats:sec>