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Form and Function in the Heart and Placenta: Quantitative Vascular MRI- [electronic resource]
Form and Function in the Heart and Placenta: Quantitative Vascular MRI - [electronic resou...
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Form and Function in the Heart and Placenta: Quantitative Vascular MRI- [electronic resource]
자료유형  
 학위논문파일 국외
최종처리일시  
20240214101242
ISBN  
9798379719647
DDC  
616
저자명  
Seiter, Daniel P. .
서명/저자  
Form and Function in the Heart and Placenta: Quantitative Vascular MRI - [electronic resource]
발행사항  
[S.l.]: : The University of Wisconsin - Madison., 2023
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2023
형태사항  
1 online resource(123 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
주기사항  
Advisor: Wieben, Oliver.
학위논문주기  
Thesis (Ph.D.)--The University of Wisconsin - Madison, 2023.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약Magnetic Resonance Imaging (MRI) is a powerful diagnostic modality, able to capture both functional and anatomical data noninvasively. The aim of this dissertation was to develop and assess novel MRI methodology in acquisition, reconstruction, and post-processing to advance in-vivo assessment of disease in two regions of the body: 1) the placenta and 2) the heart.1) The placenta plays a critical role in the development and long-term health of both fetus and mother; the ability to adequately quantify placental function in vivo, especially in early pregnancy could be a powerful tool for clinical decision making and therapeutic monitoring yet is currently not available. Ultrasound is commonly used in prenatal care, but its value to assess placental function is limited by a narrow field of view and poor contrast between uterus and placenta. Here, the value of dynamic contrast enhanced MRI for identifying underlying placental structures, quantifying their volumes and functional parameters associated with contrast bolus passage, and assessing their changes with pathology is demonstrated in a Rhesus Macaque model of zika virus, potentially laying the foundation for feasibility studies in humans. A promising alternative to flow associated functional analysis without the need for a contrast agent is velocity selective arterial spin labelling (VS-ASL) MRI; we present a large human study of normal and high body mass index (BMI) patients and report perfusion heterogeneity and trends that offer insight into placental development.
일반주제명  
Medical imaging.
일반주제명  
Medicine.
일반주제명  
Physics.
키워드  
Cardiovascular
키워드  
Exercise
키워드  
Magnetic resonance imaging
키워드  
Perfusion
키워드  
Placental development
키워드  
Body mass index
기타저자  
The University of Wisconsin - Madison Medical Physics
기본자료저록  
Dissertations Abstracts International. 84-12B.
기본자료저록  
Dissertation Abstract International
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