Fast and Robust Multi-Dimensional Cardiac Magnetic Resonance Imaging

Rosenzweig, Sebastian

dc.contributor.advisor	Uecker, Martin Prof. Dr.
dc.contributor.author	Rosenzweig, Sebastian
dc.date.accessioned	2020-09-02T14:33:00Z
dc.date.available	2020-09-02T14:33:00Z
dc.date.issued	2020-09-02
dc.identifier.uri	http://hdl.handle.net/21.11130/00-1735-0000-0005-1471-5
dc.identifier.uri	http://dx.doi.org/10.53846/goediss-8159
dc.identifier.uri	http://dx.doi.org/10.53846/goediss-8159
dc.language.iso	eng	de
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.ddc	571.4	de
dc.title	Fast and Robust Multi-Dimensional Cardiac Magnetic Resonance Imaging	de
dc.type	doctoralThesis	de
dc.contributor.referee	Uecker, Martin Prof. Dr.
dc.date.examination	2020-06-10
dc.description.abstracteng	Magnetic Resonance Imaging (MRI) has become an almost indispensable tool in hospitals worldwide as it provides significant and unique information for the assessment of various disease and injuries. However, MRI is an intrinsically slow modality, which makes imaging of moving objects such as the beating heart particularly challenging. This thesis contributes three complementary techniques to improve the quality and robustness of fast MRI with specific focus on cardiac imaging. The RING method allows for the elimination of streaking artifacts by accurate estimation of gradient delays in radial imaging from few k- space lines. RING is successfully applied to an interactive real-time MRI measurement with interactive changes to the slice position. The SMS-NLINV method enables fast and time-consistent imaging of multiple slices by combining two established MR techniques: Simultaneous Multi-Slice (SMS) MRI for the concurrent imaging of multiple slices and Regularized Non-linear Inversion (NLINV) for fast, calibration-less parallel MRI. The use of SMS-NLINV for multi-slice real-time cardiac MRI is demonstrated. SSA-FARY is a method for self-gated cardiac MRI. It makes use of a time-delayed embedding to detect the cardiac and respiratory motion states and therefore renders breath-holds and the use of external monitoring devices obsolete. SSA-FARY is applied for radial single- slice, SMS and volumetric stack-of-stars free-breathing cardiac imaging. All presented methods inherently possess broad fields of application and constitute essential building blocks as well as future prospects for fast and robust multi-dimensional cardiac MRI.	de
dc.contributor.coReferee	Parlitz, Ulrich Prof. Dr.
dc.contributor.thirdReferee	Stollberger, Rudolf Prof. Dr.
dc.subject.eng	magnetic resonance imaging	de
dc.subject.eng	real-time MRI	de
dc.subject.eng	cardiac MRI	de
dc.subject.eng	gradient delay correction	de
dc.subject.eng	self-gating	de
dc.subject.eng	time-delayed embedding	de
dc.subject.eng	simultaneous multi-slice imaging	de
dc.identifier.urn	urn:nbn:de:gbv:7-21.11130/00-1735-0000-0005-1471-5-6
dc.affiliation.institute	Göttinger Graduiertenschule für Neurowissenschaften, Biophysik und molekulare Biowissenschaften (GGNB)	de
dc.subject.gokfull	Biologie (PPN619462639)	de
dc.identifier.ppn	172876601X

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Das Dokument erscheint in:

GGNB - Göttinger Graduiertenzentrum für Neurowissenschaften, Biophysik und molekulare Biowissenschaften [1112]
GGNB - Göttingen Graduate Center for Neurosciences, Biophysics and Molecular Biosciences

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