Cardiac chamber quantification using magnetic resonance imaging at 7 Tesla--a pilot study.

European Radiology
Florian von Knobelsdorff-BrenkenhoffJeanette Schulz-Menger

Abstract

Interest in cardiovascular magnetic resonance (CMR) at 7 T is motivated by the expected increase in spatial and temporal resolution, but the method is technically challenging. We examined the feasibility of cardiac chamber quantification at 7 T. A stack of short axes covering the left ventricle was obtained in nine healthy male volunteers. At 1.5 T, steady-state free precession (SSFP) and fast gradient echo (FGRE) cine imaging with 7 mm slice thickness (STH) were used. At 7 T, FGRE with 7 mm and 4 mm STH were applied. End-diastolic volume, end-systolic volume, ejection fraction and mass were calculated. All 7 T examinations provided excellent blood/myocardium contrast for all slice directions. No significant difference was found regarding ejection fraction and cardiac volumes between SSFP at 1.5 T and FGRE at 7 T, while volumes obtained from FGRE at 1.5 T were underestimated. Cardiac mass derived from FGRE at 1.5 and 7 T was larger than obtained from SSFP at 1.5 T. Agreement of volumes and mass between SSFP at 1.5 T and FGRE improved for FGRE at 7 T when combined with an STH reduction to 4 mm. This pilot study demonstrates that cardiac chamber quantification at 7 T using FGRE is feasible and agrees closely with SSFP at 1.5 T.

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Citations

Aug 3, 2010·European Radiology·Thoralf NiendorfJeanette Schulz-Menger
Dec 7, 2010·European Radiology·Willi A Kalender, Harald H Quick
Feb 15, 2011·Investigative Radiology·Lale UmutluThomas C Lauenstein
Nov 18, 2010·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Tobias FrauenrathThoralf Niendorf
Mar 19, 2013·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Florian von Knobelsdorff-BrenkenhoffJeanette Schulz-Menger
Dec 1, 2012·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Christopher T RodgersJ Thomas Vaughan
Sep 17, 2013·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Sebastian SchmitterPierre-François Van de Moortele
Jun 15, 2012·Journal of Magnetic Resonance Imaging : JMRI·Florian von Knobelsdorff-Brenkenhoff, Jeanette Schulz-Menger
Mar 26, 2011·Journal of Magnetic Resonance Imaging : JMRI·Matthias A DieringerThoralf Niendorf
Nov 22, 2011·NMR in Biomedicine·Ewald MoserSiegfried Trattnig
Jun 19, 2012·Journal of Magnetic Resonance Imaging : JMRI·Christof ThalhammerThoralf Niendorf
Aug 2, 2013·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Andreas GraesslThoralf Niendorf
Apr 2, 2014·IEEE Transactions on Bio-medical Engineering·Kamil Ugurbil
Jun 18, 2015·NMR in Biomedicine·Andreas GraesslThoralf Niendorf
Jul 18, 2015·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Celal OezerdemThoralf Niendorf
Sep 17, 2011·European Journal of Radiology·Andreas GräßlThoralf Niendorf
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Jan 8, 2013·Journal of Magnetic Resonance·Thoralf NiendorfLukas Winter
Sep 8, 2016·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Sebastian WeingärtnerMehmet Akçakaya
Jun 15, 2017·Circulation. Cardiovascular Imaging·Thoralf NiendorfRussell Hodge
Jul 2, 2019·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Laura BoehmertThoralf Niendorf
Jun 13, 2019·Topics in Magnetic Resonance Imaging : TMRI·M Arcan ErturkGregory J Metzger
Sep 13, 2021·Investigative Radiology·Tanja PlattDaniel Paech

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