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024 7 _ |a 10.1002/mrm.70272
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024 7 _ |a 0740-3194
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037 _ _ |a DZNE-2026-00359
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Blömer, Simon
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245 _ _ |a Echo-Planar-Based Time-of-Flight Imaging Using a Modified Interleaved Flyback Trajectory.
260 _ _ |a New York, NY [u.a.]
|c 2026
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520 _ _ |a A modified interleaved flyback (miFB) approach is introduced, designed to mitigate flow artifacts caused by alternating readout polarities in Echo Planar Imaging (EPI), while preserving acquisition efficiency.We propose reconstructing odd and even echoes of 3D-EPI separately. To this end, the respective missing lines are acquired in interleaved shots with inverted polarity and an additional gradient pre-lobe. Thereby, high scan efficiency is maintained compared to unsampled flyback gradients. Our miFB approach is additionally combined with gradient moment smoothing and compared to the interleaved dual-echo with acceleration (IDEA) method in phantom and in vivo scans at 7 Tesla.Our results demonstrate a significant reduction in ghosting and signal dropout using the miFB approach, yielding comparable image quality to non-EPI acquisitions while reducing acquisition time by approximately half.The miFB approach offers a substantial reduction in flow artifacts, allowing for decreased acquisition times in TOF-MRA.
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650 _ 7 |a 3D‐EPI
|2 Other
650 _ 7 |a 7T
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650 _ 7 |a echo planar imaging
|2 Other
650 _ 7 |a flow artifacts
|2 Other
650 _ 7 |a magnetic resonance angiography
|2 Other
650 _ 2 |a Echo-Planar Imaging: methods
|2 MeSH
650 _ 2 |a Phantoms, Imaging
|2 MeSH
650 _ 2 |a Artifacts
|2 MeSH
650 _ 2 |a Algorithms
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Imaging, Three-Dimensional: methods
|2 MeSH
650 _ 2 |a Image Processing, Computer-Assisted: methods
|2 MeSH
700 1 _ |a Stöcker, Tony
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700 1 _ |a Stirnberg, Rüdiger
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773 _ _ |a 10.1002/mrm.70272
|g Vol. 95, no. 6, p. 3131 - 3144
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|t Magnetic resonance in medicine
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856 4 _ |u https://pub.dzne.de/record/285913/files/DZNE-2026-00359.pdf
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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