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Abstract #4458

Quality Assessment in the Multicenter MR Imaging Study of the German National Cohort (NAKO)

Jochen G. Hirsch1, Alexander Köhn2, Daniel C. Hoinkiss1, Jonas Singe2, Eyyub Ebu-Bekir Öztürk1, Matthias Günther1, and the NAKO MRI Study Investigators3

1MR Physics and Imaging, Fraunhofer MEVIS, Bremen, Germany, 2Software Development, Fraunhofer MEVIS, Bremen, Germany, 3Central Executive Office of the German National Cohorte, Heidelberg, Germany

A fully automated workflow for image-based quality assessment (QA) was set up in a large, multi-center cohort whole-body MR imaging study, part of the National Cohort Study Germany NAKO. Study design, data management, workflow, and objectives have been described previously. Standardized quality assessment including technical aspects like program and protocol parameter truth, as well as image-based estimates of various quality indices demonstrate a high degree of stability and homogeneity of image quality across the 5 contributing MR centers. Furthermore, QA ensures short-term intervention procedures with respect to quality control, and offer valuable quantitative information for subsequent scientific data evaluation.

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