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Conference Paper: Study of myocardial fiber length distribution with diffusion tensor MRI

TitleStudy of myocardial fiber length distribution with diffusion tensor MRI
Authors
Issue Date2006
PublisherThe International Society for Magnetic Resonance in Medicine (ISMRM)
Citation
The International Society for Magnetic Resonance in Medicine 14th Scientific Meeting & Exhibition (ISMRM2006). Seattle, WA, 6-12 May 2006 How to Cite?
AbstractDiffusion tensor MRI (DTI) is a nondestructive method to map myocardial fiber organization. Many studies have been done on myocardial fiber orientation. However, cardiac contraction is also related with myocardial fiber length, but its study is limited so far. The current study aims to provide information of myocardial fiber length distribution in formalin-fixed porcine heart samples. DTI with medium diffusion resolution (15 directions) was performed. Fiber length distribution as a function of fiber helix angle was investigated in multiple short-axis slices located from base to apex of the left ventricles. Results show that longer fibers likely run circumferentially, and fibers located at middle and upper ventricle are generally longer than those near apex. The results provide supplementary structural information on myocardial fiber architecture and cardiac mechanics.
Persistent Identifierhttp://hdl.handle.net/10722/102111

 

DC FieldValueLanguage
dc.contributor.authorWu, Yen_HK
dc.contributor.authorTang, Hen_HK
dc.contributor.authorNg, MCen_HK
dc.contributor.authorYang, Jen_HK
dc.contributor.authorTse, HFen_HK
dc.contributor.authorLau, CPen_HK
dc.contributor.authorYang, ESen_HK
dc.contributor.authorWu, EXen_HK
dc.date.accessioned2010-09-25T20:17:30Z-
dc.date.available2010-09-25T20:17:30Z-
dc.date.issued2006en_HK
dc.identifier.citationThe International Society for Magnetic Resonance in Medicine 14th Scientific Meeting & Exhibition (ISMRM2006). Seattle, WA, 6-12 May 2006en_HK
dc.identifier.urihttp://hdl.handle.net/10722/102111-
dc.description.abstractDiffusion tensor MRI (DTI) is a nondestructive method to map myocardial fiber organization. Many studies have been done on myocardial fiber orientation. However, cardiac contraction is also related with myocardial fiber length, but its study is limited so far. The current study aims to provide information of myocardial fiber length distribution in formalin-fixed porcine heart samples. DTI with medium diffusion resolution (15 directions) was performed. Fiber length distribution as a function of fiber helix angle was investigated in multiple short-axis slices located from base to apex of the left ventricles. Results show that longer fibers likely run circumferentially, and fibers located at middle and upper ventricle are generally longer than those near apex. The results provide supplementary structural information on myocardial fiber architecture and cardiac mechanics.-
dc.languageengen_HK
dc.publisherThe International Society for Magnetic Resonance in Medicine (ISMRM)-
dc.relation.ispartofThe International Society for Magnetic Resonance in Medicine Scientific Meeting & Exhibition (ISMRM)en_HK
dc.titleStudy of myocardial fiber length distribution with diffusion tensor MRIen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailYang, J: yj1118@mail.xitu.edu.cnen_HK
dc.identifier.emailTse, HF: hftse@hkucc.hku.hken_HK
dc.identifier.emailYang, ES: esyang@eee.hku.hken_HK
dc.identifier.emailWu, EX: ewu@eee.hku.hken_HK
dc.identifier.authorityTse, HF=rp00428en_HK
dc.identifier.authorityWu, EX=rp00193en_HK
dc.identifier.hkuros119810en_HK

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