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Dr. Kumar’s laboratory uses magnetic resonance spectroscopy (MRS) and various MRI procedures, including high-resolution T1-weighted imaging, T2-relaxometry, magnetization transfer imaging, diffusional kurtosis imaging, diffusion tensor imaging, arterial spin labeling, and functional magnetic resonance imaging to assist in the localization of abnormal brain regions and assess neural activity in patients with OSA and HF. Research has demonstrated that HF patients show brain injury in autonomic, mood, and cognitive regulatory areas. The research team has also differentiated different types of white matter injury (axonal or myelin injury), and showed that HF subjects exhibit more neural damage than OSA patients, particularly in brain areas that serve memory and mood functions. Dr. Kumars lab seeks to determine the onset of the neural damage in HF and OSA, the specific cardiovascular or breathing effects that the damage could exert, and the extent of progression as the syndrome continues. These findings could lead to preventative measures before the severe consequences, such as hypertension, stroke, and daytime hypersomnia in OSA patients, and autonomic, mood and cognitive deficits in HF patients. This research will help identify the problems earlier, leading to earlier treatment, and give us a greater understanding of the causes of HF and OSA.
Dr. Kumar’s laboratory uses magnetic resonance spectroscopy (MRS) and various MRI procedures, including high-resolution T1-weighted imaging, T2-relaxometry, magnetization transfer imaging, diffusional kurtosis imaging, diffusion tensor imaging, arterial spin labeling, and functional magnetic resonance imaging to assist in the localization of abnormal brain regions and assess neural activity in patients with OSA and HF. Research has demonstrated that HF patients show brain injury in autonomic, mood, and cognitive regulatory areas. The research team has also differentiated different types of white matter injury (axonal or myelin injury), and showed that HF subjects exhibit more neural damage than OSA patients, particularly in brain areas that serve memory and mood functions. Dr. Kumars lab seeks to determine the onset of the neural damage in HF and OSA, the specific cardiovascular or breathing effects that the damage could exert, and the extent of progression as the syndrome continues. These findings could lead to preventative measures before the severe consequences, such as hypertension, stroke, and daytime hypersomnia in OSA patients, and autonomic, mood and cognitive deficits in HF patients. This research will help identify the problems earlier, leading to earlier treatment, and give us a greater understanding of the causes of HF and OSA.
研究兴趣
论文共 324 篇作者统计合作学者相似作者
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Journal of Cardiovascular Development and Diseaseno. 8 (2024): 236
Journal of neurosurgical anesthesiology (2024)
Bhaswati Roy,Jennifer A Ogren,Luke A Allen,Beate Diehl,Raman Sankar, Samden D Lhatoo,Rajesh Kumar,Ronald M Harper
Pediatric researchpp.1-7, (2024)
Diabetesno. Supplement_1 (2024)
Journal of Clinical Monitoring and Computingpp.1-9, (2024)
Bhaswati Roy,Susana Vacas,Luke Ehlert, Madeline Townsley, Megan Carrier,Gregg C. Fonarow,Mary A. Woo,Rajesh Kumar
Journal of neuroscience researchno. 10 (2023): 1662-1674
International Journal of Environment and Climate Changeno. 3 (2023): 143-150
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作者统计
#Papers: 323
#Citation: 7279
H-Index: 46
G-Index: 72
Sociability: 7
Diversity: 0
Activity: 2
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