Functional Multimodal Imaging Of Sickle Cell Disease Patients To Understand How Chronic Pain Affects Neural Dynamics Of Patients
2018-05
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Functional Multimodal Imaging Of Sickle Cell Disease Patients To Understand How Chronic Pain Affects Neural Dynamics Of Patients
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2018-05
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Sickle cell disease (SCD) is a red blood cell disorder that causes many complications including life-long pain. Pain is the most common reason for hospitalization in SCD patients and is often experienced on a daily basis. Treatment of pain in SCD patients remains challenging due to a poor understanding of the mechanisms, especially in the brain. Therefore, an in-depth analysis of how chronic pain affects SCD patients is needed to provide a foundation for future research and improved treatment options. The goal of this research is to use multimodal non-invasive imaging techniques to better understand the neural dynamics of SCD patients and how these differ from a normal healthy brain. Utilizing both electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) allowed spatiotemporal analysis of resting state neural behavior of SCD patients and healthy controls. This work includes (1) a simultaneous EEG-fMRI study to determine biomarkers of sickle pain and how resting state networks are altered in patients, (2) an EEG analysis utilizing EEG power and electrical source imaging analysis to classify between patients and controls, and (3) a graph theory study using both EEG and fMRI to understand the global impact of sickle pain on the brain and to utilize imaging to detect differences not only between patients and controls, but also between patients with more severe chronic pain and less severe chronic pain. This study showed how imaging parameters found from non-invasive imaging modalities are related to chronic pain in SCD patients and will be used in future work to guide new treatment options and validate their effectiveness on improving brain dynamics.
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University of Minnesota Ph.D. dissertation. May 2018. Major: Biomedical Engineering. Advisor: Bin He. 1 computer file (PDF); vi, 131 pages.
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Case, Michelle. (2018). Functional Multimodal Imaging Of Sickle Cell Disease Patients To Understand How Chronic Pain Affects Neural Dynamics Of Patients. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/215128.
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