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Air bubble artifact reduction in post-mortem whole-brain MRI: the influence of receiver bandwidth

  • Max Scheffler
  • Enrique Maturana
  • Rares Salomir
  • Sven Haller
  • Enikö Kövari
Short Report

Abstract

Air bubble artifacts on SWI post-mortem MRI studies may interfere with the detection of cerebral microbleeds. We investigated whether the utilization of a higher receiver bandwidth of 500 Hz/pixel could reduce cortical air bubble artifacts without compromising the detection of cerebral microbleeds in high-field MRI. All microbleeds remained clearly visible whereas a reduction of 17% of the long axis of the “halo” magnitude artifacts was achieved. On corresponding phase images, air bubble artifacts appeared identical.

Keywords

MRI Postmortem SWI Air bubble artifacts Microbleeds 

Notes

Compliance with ethical standards

Funding

This study was funded by a Swiss National Science Foundation Grant (Grant no. 320030_159990/1).

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study or from their next of kin.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of RadiologyGeneva University HospitalsThonexSwitzerland
  2. 2.Department of RadiologyGeneva University HospitalsGenevaSwitzerland
  3. 3.Image Guided Interventions Laboratory, Faculty of MedicineUniversity of GenevaGenevaSwitzerland
  4. 4.Centre d’Imagerie Rive Droite (CIRD)GenevaSwitzerland
  5. 5.Department of PsychiatryGeneva University HospitalsChêne-BourgSwitzerland

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