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Neuroimaging and Movement Assessment for Early Detection of Cerebral Palsy
Neuroimaging and Movement Assessment for Early Detection of Cerebral Palsy
Neuroimaging and Movement Assessment for Early Detection of Cerebral Palsy

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자료유형  
 학위논문 서양
최종처리일시  
20260202102943
ISBN  
9798286455621
DDC  
615.82
저자명  
Sutter, Ellen Nicole.
서명/저자  
Neuroimaging and Movement Assessment for Early Detection of Cerebral Palsy
발행사항  
[Sl] : University of Minnesota, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
131 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
주기사항  
Advisor: Gillick, Bernadette T.
학위논문주기  
Thesis (Ph.D.)--University of Minnesota, 2024.
초록/해제  
요약Cerebral palsy (CP), often caused by early brain injury such as perinatal stroke or brain bleed, has lifelong impact on function and participation. Early identification of at-risk infants and access to rehabilitation interventions are critical to improve long-term outcomes. Recent clinical guidelines highlight the importance of key evidence-based assessments for early detection of CP. Neuroimaging can identify injury patterns that are associated with increased risk of CP. Movement assessments, including the General Movements Assessment (GMA) and Hammersmith Infant Neurological Examination (HINE), provide information about neuromotor development. As these evidence-based assessments are increasingly integrated into clinical settings, the subsequent real-world impact on diagnosis and intervention access timelines in varied clinical populations needs to be assessed. Furthermore, while the GMA has very high sensitivity and specificity to predict CP, the neurological correlates of the spontaneous (general) movements which it assesses are poorly understood. This limits the interpretation and use of the GMA to guide prognosis and early intervention strategies.To address these research gaps, this dissertation aimed to assess 1) the impact of evidence-based infant assessments on diagnostic timeline and intervention access and 2) brain connectivity related to early spontaneous motor patterns in infants with perinatal brain injury. For Aim 1, I assessed the relationships between early evidence-based assessments, diagnosis timeline, and rehabilitation intervention access in a population of children with CP who were seen between 2010 and 2022 at the University of Wisconsin Waisman Center Newborn Follow Up Clinic. I found that CP-specific assessments were increasingly integrated after the publication of early detection guidelines by Novak et al. in 2017. Age at CP first mention (high risk for CP) decreased over time, though age at diagnosis remained similar. Infants who received multiple evidence-based assessments were diagnosed at a younger age. Ninety-eight percent of children were referred to rehabilitation therapies prior to or at the time of CP diagnosis. Changes in referral practices were observed between outpatient therapies and early intervention over time, with referrals to outpatient therapies occurring at earlier ages in more recent years.In Aim 2, I investigated white matter pathways using diffusion-weighted MRI and looked for differences in white matter connectivity among infants with typical and atypical general movements on the GMA. With tract-based spatial statistics analysis, I found differences in white matter integrity among groups in several white matter pathways. I additionally used tractography to compare diffusion parameters in individual tracts between infants with and without typical general movements. In most tracts, diffusion parameters did not differ significantly between groups. Metrics of tract integrity in the corticospinal tract tended to have greater asymmetries between hemispheres in infants with asymmetries in their spontaneous movements. An exploratory longitudinal analysis showed that infants with poor repertoire general movements who developed absent fidgety movements had lower tract integrity in the CST than those who developed normal fidgety movements. Results from this study indicated that white-matter integrity across many brain regions may be implicated in general movements. However, existing research supports the likelihood of additional changes in gray matter and brainstem regions that were not detected in this analysis.This work adds to our understanding of the real-world use and rationale for neuroimaging and spontaneous motor assessment for early detection of CP. Future work in this field will support early detection and diagnosis efforts and promote advanced understanding of developmental trajectories in infants with perinatal brain injury, which may facilitate more timely and targeted early rehabilitation interventions and improved outcomes.
일반주제명  
Physical therapy
일반주제명  
Neurosciences
일반주제명  
Medical imaging
일반주제명  
Pediatrics
키워드  
Cerebral palsy
키워드  
Neuroimaging
키워드  
Rehabilitation
키워드  
Brain connectivity
키워드  
General Movements Assessment
기타저자  
University of Minnesota Rehabilitation Science
기본자료저록  
Dissertations Abstracts International. 87-01B.
전자적 위치 및 접속  
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MARC

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■260    ▼a[Sl]▼bUniversity  of  Minnesota▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a131  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  B.
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■5021  ▼aThesis  (Ph.D.)--University  of  Minnesota,  2024.
■520    ▼aCerebral  palsy  (CP),  often  caused  by  early  brain  injury  such  as  perinatal  stroke  or  brain  bleed,  has  lifelong  impact  on  function  and  participation.  Early  identification  of  at-risk  infants  and  access  to  rehabilitation  interventions  are  critical  to  improve  long-term  outcomes.  Recent  clinical  guidelines  highlight  the  importance  of  key  evidence-based  assessments  for  early  detection  of  CP.  Neuroimaging  can  identify  injury  patterns  that  are  associated  with  increased  risk  of  CP.  Movement  assessments,  including  the  General  Movements  Assessment  (GMA)  and  Hammersmith  Infant  Neurological  Examination  (HINE),  provide  information  about  neuromotor  development.  As  these  evidence-based  assessments  are  increasingly  integrated  into  clinical  settings,  the  subsequent  real-world  impact  on  diagnosis  and  intervention  access  timelines  in  varied  clinical  populations  needs  to  be  assessed.  Furthermore,  while  the  GMA  has  very  high  sensitivity  and  specificity  to  predict  CP,  the  neurological  correlates  of  the  spontaneous  (general)  movements  which  it  assesses  are  poorly  understood.  This  limits  the  interpretation  and  use  of  the  GMA  to  guide  prognosis  and  early  intervention  strategies.To  address  these  research  gaps,  this  dissertation  aimed  to  assess  1)  the  impact  of  evidence-based  infant  assessments  on  diagnostic  timeline  and  intervention  access  and  2)  brain  connectivity  related  to  early  spontaneous  motor  patterns  in  infants  with  perinatal  brain  injury.  For  Aim  1,  I  assessed  the  relationships  between  early  evidence-based  assessments,  diagnosis  timeline,  and  rehabilitation  intervention  access  in  a  population  of  children  with  CP  who  were  seen  between  2010  and  2022  at  the  University  of  Wisconsin  Waisman  Center  Newborn  Follow  Up  Clinic.  I  found  that  CP-specific  assessments  were  increasingly  integrated  after  the  publication  of  early  detection  guidelines  by  Novak  et  al.  in  2017.  Age  at  CP  first  mention  (high  risk  for  CP)  decreased  over  time,  though  age  at  diagnosis  remained  similar.  Infants  who  received  multiple  evidence-based  assessments  were  diagnosed  at  a  younger  age.  Ninety-eight  percent  of  children  were  referred  to  rehabilitation  therapies  prior  to  or  at  the  time  of  CP  diagnosis.  Changes  in  referral  practices  were  observed  between  outpatient  therapies  and  early  intervention  over  time,  with  referrals  to  outpatient  therapies  occurring  at  earlier  ages  in  more  recent  years.In  Aim  2,  I  investigated  white  matter  pathways  using  diffusion-weighted  MRI  and  looked  for  differences  in  white  matter  connectivity  among  infants  with  typical  and  atypical  general  movements  on  the  GMA.  With  tract-based  spatial  statistics  analysis,  I  found  differences  in  white  matter  integrity  among  groups  in  several  white  matter  pathways.  I  additionally  used  tractography  to  compare  diffusion  parameters  in  individual  tracts  between  infants  with  and  without  typical  general  movements.  In  most  tracts,  diffusion  parameters  did  not  differ  significantly  between  groups.  Metrics  of  tract  integrity  in  the  corticospinal  tract  tended  to  have  greater  asymmetries  between  hemispheres  in  infants  with  asymmetries  in  their  spontaneous  movements.  An  exploratory  longitudinal  analysis  showed  that  infants  with  poor  repertoire  general  movements  who  developed  absent  fidgety  movements  had  lower  tract  integrity  in  the  CST  than  those  who  developed  normal  fidgety  movements.  Results  from  this  study  indicated  that  white-matter  integrity  across  many  brain  regions  may  be  implicated  in  general  movements.  However,  existing  research  supports  the  likelihood  of  additional  changes  in  gray  matter  and  brainstem  regions  that  were  not  detected  in  this  analysis.This  work  adds  to  our  understanding  of  the  real-world  use  and  rationale  for  neuroimaging  and  spontaneous  motor  assessment  for  early  detection  of  CP.  Future  work  in  this  field  will  support  early  detection  and  diagnosis  efforts  and  promote  advanced  understanding  of  developmental  trajectories  in  infants  with  perinatal  brain  injury,  which  may  facilitate  more  timely  and  targeted  early  rehabilitation  interventions  and  improved  outcomes.
■590    ▼aSchool  code:  0130.
■650  4▼aPhysical  therapy
■650  4▼aNeurosciences
■650  4▼aMedical  imaging
■650  4▼aPediatrics
■653    ▼aCerebral  palsy
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■690    ▼a0767
■690    ▼a0317
■71020▼aUniversity  of  Minnesota▼bRehabilitation  Science.
■7730  ▼tDissertations  Abstracts  International▼g87-01B.
■790    ▼a0130
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17356519▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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