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Diffusion Tensor and Kurtosis Magnetic Resonance Imaging in Skeletal Muscle.
Diffusion Tensor and Kurtosis Magnetic Resonance Imaging in Skeletal Muscle.

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자료유형  
 학위논문
Control Number  
0017163133
International Standard Book Number  
9798383607138
Dewey Decimal Classification Number  
616
Main Entry-Personal Name  
Mathew, Ethan.
Publication, Distribution, etc. (Imprint  
[S.l.] : Arizona State University., 2024
Publication, Distribution, etc. (Imprint  
Ann Arbor : ProQuest Dissertations & Theses, 2024
Physical Description  
136 p.
General Note  
Source: Dissertations Abstracts International, Volume: 86-02, Section: B.
General Note  
Advisor: Quarles, Chad;Kodibagkar, Vikram.
Dissertation Note  
Thesis (Ph.D.)--Arizona State University, 2024.
Summary, Etc.  
요약Amyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disease that causes muscle weakness, loss of voluntary motor control, and respiratory problems. Present clinical metrics of ALS remain subjective, suffer from high variability, or require invasive biopsies. Magnetic resonance imaging (MRI) offers the ability to provide quantitative imaging biomarkers and a non-invasive way to monitor and assess ALS progression and structural changes. Diffusion MRI in particular has potential for this purpose due to its sensitivity to microstructural properties. This thesis seeks to evaluate the usefulness of diffusion MRI in skeletal muscle for imaging of ALS patients.This works starts by applying a diffusion tensor imaging (DTI) sequence in the leg of a rat model of ALS. Four ages of rats (corresponding to stages of disease progression) were imaged to assess the ability of diffusion MRI to monitor structural changes secondary to ALS. Results were compared to histological analysis to provide insight into which morphometric features drove the sensitivity of diffusion metrics to ALS. The subsequent studies revolve around testing in healthy controls the repeatability of MR sequences which will eventually be implemented in ALS patients as part of an R61 study. First, the repeatability of a diffusion kurtosis tensor acquisition and the resulting diffusion parameters in the lower legs was validated. Then, since bulbar symptoms are common in ALS, the repeatability of a full bulbar imaging protocol including T1 mapping, T2 mapping, T2* mapping, dynamic T2* mapping, and diffusion kurtosis imaging was analyzed.
Subject Added Entry-Topical Term  
Medical imaging.
Subject Added Entry-Topical Term  
Biomedical engineering.
Subject Added Entry-Topical Term  
Neurosciences.
Index Term-Uncontrolled  
Amyotrophic Lateral Sclerosis
Index Term-Uncontrolled  
Diffusion MRI
Index Term-Uncontrolled  
Magnetic resonance imaging
Index Term-Uncontrolled  
Musculoskeletal imaging
Index Term-Uncontrolled  
Neurodegenerative disease
Added Entry-Corporate Name  
Arizona State University Biomedical Engineering
Host Item Entry  
Dissertations Abstracts International. 86-02B.
Electronic Location and Access  
로그인을 한후 보실 수 있는 자료입니다.
Control Number  
joongbu:654959

MARC

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■0820  ▼a616
■1001  ▼aMathew,  Ethan.
■24510▼aDiffusion  Tensor  and  Kurtosis  Magnetic  Resonance  Imaging  in  Skeletal  Muscle.
■260    ▼a[S.l.]▼bArizona  State  University.  ▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a136  p.
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-02,  Section:  B.
■500    ▼aAdvisor:  Quarles,  Chad;Kodibagkar,  Vikram.
■5021  ▼aThesis  (Ph.D.)--Arizona  State  University,  2024.
■520    ▼aAmyotrophic  Lateral  Sclerosis  (ALS)  is  a  neurodegenerative  disease  that  causes  muscle  weakness,  loss  of  voluntary  motor  control,  and  respiratory  problems.  Present  clinical  metrics  of  ALS  remain  subjective,  suffer  from  high  variability,  or  require  invasive  biopsies.  Magnetic  resonance  imaging  (MRI)  offers  the  ability  to  provide  quantitative  imaging  biomarkers  and  a  non-invasive  way  to  monitor  and  assess  ALS  progression  and  structural  changes.  Diffusion  MRI  in  particular  has  potential  for  this  purpose  due  to  its  sensitivity  to  microstructural  properties.  This  thesis  seeks  to  evaluate  the  usefulness  of  diffusion  MRI  in  skeletal  muscle  for  imaging  of  ALS  patients.This  works  starts  by  applying  a  diffusion  tensor  imaging  (DTI)  sequence  in  the  leg  of  a  rat  model  of  ALS.  Four  ages  of  rats  (corresponding  to  stages  of  disease  progression)  were  imaged  to  assess  the  ability  of  diffusion  MRI  to  monitor  structural  changes  secondary  to  ALS.  Results  were  compared  to  histological  analysis  to  provide  insight  into  which  morphometric  features  drove  the  sensitivity  of  diffusion  metrics  to  ALS.  The  subsequent  studies  revolve  around  testing  in  healthy  controls  the  repeatability  of  MR  sequences  which  will  eventually  be  implemented  in  ALS  patients  as  part  of  an  R61  study.  First,  the  repeatability  of  a  diffusion  kurtosis  tensor  acquisition  and  the  resulting  diffusion  parameters  in  the  lower  legs  was  validated.  Then,  since  bulbar  symptoms  are  common  in  ALS,  the  repeatability  of  a  full  bulbar  imaging  protocol  including  T1  mapping,  T2  mapping,  T2*  mapping,  dynamic  T2*  mapping,  and  diffusion  kurtosis  imaging  was  analyzed.
■590    ▼aSchool  code:  0010.
■650  4▼aMedical  imaging.
■650  4▼aBiomedical  engineering.
■650  4▼aNeurosciences.
■653    ▼aAmyotrophic  Lateral  Sclerosis
■653    ▼aDiffusion  MRI
■653    ▼aMagnetic  resonance  imaging
■653    ▼aMusculoskeletal  imaging
■653    ▼aNeurodegenerative  disease
■690    ▼a0574
■690    ▼a0541
■690    ▼a0317
■71020▼aArizona  State  University▼bBiomedical  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g86-02B.
■790    ▼a0010
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17163133▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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