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Symmetric Multimodal Mapping of Ex Vivo Cardiac Microstructure of Large Mammalian Whole Hearts for Volumetric Comparison of Myofiber Orientation Estimated from Diffusion MRI and MicroCT

dc.rights.licenseopenen_US
hal.structure.identifierCentre de résonance magnétique des systèmes biologiques [CRMSB]
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorOZENNE, Valery
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorRAMLUGUN, Girish
hal.structure.identifierCentre de résonance magnétique des systèmes biologiques [CRMSB]
dc.contributor.authorMAGAT, Julie
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorLUPON, Nestor Pallares
hal.structure.identifierCentre de résonance magnétique des systèmes biologiques [CRMSB]
dc.contributor.authorCABANIS, Pierre
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorDOS SANTOS, Pierre
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorBENOIST, David
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorDUBES, Virginie
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorDUCHATEAU, Josselin
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorLABROUSSE, Louis
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorHAISSAGUERRE, Jean-Michel
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorBERNUS, Olivier
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorWALTON, Richard
dc.contributor.editorBERNARD, Olivier
dc.contributor.editorCLARYSSE, Patrick
dc.contributor.editorDUCHATEAU, Nicolas
dc.contributor.editorOHAYON, Jacques
dc.contributor.editorVIALLON, Magalie
dc.date.accessioned2023-11-16T09:43:12Z
dc.date.available2023-11-16T09:43:12Z
dc.date.issued2023-06-01
dc.identifier.issn0302-9743en_US
dc.identifier.urioai:crossref.org:10.1007/978-3-031-35302-4_5
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/184804
dc.description.abstractEnDescription of the cardiac myofiber architecture in pathological or even physiological conditions is essential for image-based modeling in electrophysiology or mechanical studies. While diffusion tensor imaging (DTI) is one of the best modalities to capture myofiber orientation of large mammalian hearts, validations of putative myofiber’s main orientation from DTI in whole hearts of large mammals is limited. First we design an experimental protocol for sheep (N = 1) and human (N = 1) whole hearts that combine a standardized sample preparation with high-resolution diffusion MRI at 600 µm3 using low angular resolution (6 directions) followed by a tissue air-drying approach coupled with X-ray imaging at 42 µm3. Secondly, we propose a standardized post-processing pipeline for symmetric multimodal mapping allowing the comparison of myofiber orientation computed from DTI and structure tensor imaging (STI), respectively. We then identified region-of-interest (ROI) exhibiting small or sharp spatial variations in myofiber orientation and compared the putative myofiber orientation for both methods. In conclusion, we show a good correspondence of structural features between the two imaging modalities and identify new unexpected and complex cardiomyocytes organization such as oscillating patterns or clear separation of opposing fiber-bundles.
dc.language.isoENen_US
dc.publisherSpringer Nature Switzerlanden_US
dc.sourcecrossref
dc.source.titleFunctional Imaging and Modeling of the Hearten_US
dc.title.enSymmetric Multimodal Mapping of Ex Vivo Cardiac Microstructure of Large Mammalian Whole Hearts for Volumetric Comparison of Myofiber Orientation Estimated from Diffusion MRI and MicroCT
dc.typeChapitre d'ouvrageen_US
dc.identifier.doi10.1007/978-3-031-35302-4_5en_US
dc.subject.halSciences du Vivant [q-bio]en_US
dc.subject.halSciences de l'ingénieur [physics]en_US
bordeaux.page44-53en_US
bordeaux.hal.laboratoriesCentre de Résonance Magnétique des Systèmes Biologiques (CRMSB) - UMR 5536en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.institutionINSERM
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04288728
hal.version1
hal.date.transferred2023-11-16T09:43:15Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
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