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Showing 1 to 20 of 97 for “"CBF"”.

  1. Arterial Spin-labelled MRI Analyses to Advance Adolescent Bipolar Disorder Research and Clinical Applications

    Cerebral blood flow (CBF) is foundational to brain function in health and disease. Through three distinct analyses, the aim of this thesis is to extend current understanding of CBF in adolescent bipolar disorder and to enable future understanding of CBF in other brain diseases. CBF measurement can …

    toronto-retro Repository record for Arterial Spin-labelled MRI Analyses to Advance Adolescent Bipolar Disorder Research and Clinical Applications (opens in a new tab)

  2. Identifying Patients at Risk for Hyperperfusion after Carotid Stenting Using CT Perfusion with Acetazolamide Challenge

    … blood volume (CBV), cerebral blood flow (CBF), mean transit time (MTT), and percent change of CBF were investigated before, 1 day and 3 months after CS, with resting and ACZ-challenged CTP. Normal percent changes of CBV, CBF, and MTT were determined in 12 age and sex-matched normal …

    ajou Repository record for Identifying Patients at Risk for Hyperperfusion after Carotid Stenting Using CT Perfusion with Acetazolamide Challenge (opens in a new tab)

  3. Mapping cerebral blood flow with speckle contrast optical spectroscopy

    Cerebral blood flow (CBF) is a critical component of cerebral hemodynamics, yet the existing optical neuroimaging modalities to measure CBF do not have sufficient signal-to-noise ratio. Speckle contrast optical spectroscopy (SCOS) has been previously considered as an alternative approach to use …

    bu Repository record for Mapping cerebral blood flow with speckle contrast optical spectroscopy (opens in a new tab)

  4. Identification of a ciliary defect associated with pulmonary nontuberculous mycobacterial disease

    … abnormally low resting ciliary beat frequency (CBF) and abnormal CBF response to toll-like receptor (TLR) agonists. The depressed baseline CBF response in PNTM patient cells can be normalized ex vivo by augmenting the nitric oxide-cyclic guanosine monophosphate pathway without appreciable e ect …

    cambridge Repository record for Identification of a ciliary defect associated with pulmonary nontuberculous mycobacterial disease (opens in a new tab)

  5. The effects of a 1.8 GHz continuous electromagnetic fields on mucociliary transport of human nasal mucosa

    … the pathophysiology of ciliary beat frequency (CBF) during an EMF-induced change. Human nasal mucosa cells were exposed to a 1.8 GHz EMF (SAR= 1.0 W/kg), and CBF was analyzed using an optical flow technique with the peak detection method. The 1.8 GHz EMF-exposed group showed a decreased CBF when …

    ajou Repository record for The effects of a 1.8 GHz continuous electromagnetic fields on mucociliary transport of human nasal mucosa (opens in a new tab)

  6. Measurement of Cerebral Blood Flow Using Arterial Spin Labeling Magnetic Resonance Imaging

    Cerebral Blood Flow (CBF) reflects the amount of blood perfusion in the brain, often defined as ml of blood per 100 gram of brain per minute. CBF is an important measure in understanding brain physiology and pathophysiology. Thus, it is important to establish a robust method suitable for …

    utswmed Repository record for Measurement of Cerebral Blood Flow Using Arterial Spin Labeling Magnetic Resonance Imaging (opens in a new tab)

  7. Vertex-Based Analysis of Cerebral Blood Flow and Fractional Amplitude of Low-Frequency Fluctuations (CBF-fALFF) Coupling in Moderate-to-Severe Traumatic Brain Injury During the First Year Post-Injury

    … using a combined metric of cerebral blood flow (CBF) and fractional amplitude of low-frequency fluctuations (fALFF), a proxy for spontaneous neural activity. Using arterial spin labeling (ASL) and functional MRI sequences, CBF and fALFF were measured in 29 msTBI patients 3-, 6- and 12-months …

    cuny-grad Repository record for Vertex-Based Analysis of Cerebral Blood Flow and Fractional Amplitude of Low-Frequency Fluctuations (CBF-fALFF) Coupling in Moderate-to-Severe Traumatic Brain Injury During the First Year Post-Injury (opens in a new tab)

  8. Understanding the role of cerebrovascular health in cognitive aging: a multi-modal noninvasive human neuroimaging approach

    … between aging and cerebral blood flow (CBF) in a group of older adults (ages 55-85). Using arterial spin labeling (ASL) to quantify CBF, we found that blood flow in the gray matter was positively correlated with CRF and negatively correlated with age (Zimmerman et al., 2014). Subsequent …

    uiuc Repository record for Understanding the role of cerebrovascular health in cognitive aging: a multi-modal noninvasive human neuroimaging approach (opens in a new tab)

  9. Effects of Cerebral Blood Flow and Temperature on Executive Function During Moderate Hyperthermia

    … be affected by changes in cerebral blood flow (CBF) as opposed to thermal perception changes. An end-tidal forcing system was used to maintain eucapnia and baseline CBF in the isocapnic trial during the hypocapnia-induced CBF reduction. Repeated measures analysis of variance indicated that an …

    brock Repository record for Effects of Cerebral Blood Flow and Temperature on Executive Function During Moderate Hyperthermia (opens in a new tab)

  10. Regional Low Cerebral Blood Flow Predicts Leukoaraiosis Development at 18 Months in Patients with TIA and Minor Stroke

    … to investigate whether low cerebral blood flow (CBF) is associated with subsequent white matter hyperintensity (WMH) development in minor stroke and transient ischemic attack (TIA) patients. New WMH at 18 months were identified by comparing follow-up with baseline FLAIR, and regions of interest …

    calgary Repository record for Regional Low Cerebral Blood Flow Predicts Leukoaraiosis Development at 18 Months in Patients with TIA and Minor Stroke (opens in a new tab)

  11. Use of fluorescent micropsheres to measure coronary flow reserve in rat animal model

    … damage to heart muscle. Coronary blood flow (CBF) is thus important to measure in experimental animal models of heart disease. A standard method to measure CBF uses tracer microspheres (O = 15 um) injected into the left ventricle that flow through coronary arteries but cannot pass through …

    njit Repository record for Use of fluorescent micropsheres to measure coronary flow reserve in rat animal model (opens in a new tab)

  12. ARTERIAL STIFFNESS AND CEREBRAL BLOOD FLOW AMONG OLDER ADULTS

    … arterial stiffness and cerebral blood flow (CBF) with mild cognitive impairment (MCI). This study analyzes arterial stiffness and CBF as potential pre-clinical factors of AD in the Alzheimer’s Disease Prevention Participant Repository (ADPPR) cohort. There was a total of 91 participants from …

    wfu Repository record for ARTERIAL STIFFNESS AND CEREBRAL BLOOD FLOW AMONG OLDER ADULTS (opens in a new tab)

  13. Circadiane Periodizität des cerebralen Blutflusses : experimentelle und klinische Untersuchungen

    … (SHT) durchgeführt. Der cerebrale Blutfluss (CBF) wurde bei Ratten mittels Laser-Doppler-Flowmetrie (LDF) kontinuierlich registriert. Es wurde eine Halterung entwickelt, mit der die Glasfaser so auf dem Schädel befestigt werden kann, dass die Bewegungsfreiheit der Tiere nicht eingeschränkt …

    heid-diss Repository record for Circadiane Periodizität des cerebralen Blutflusses : experimentelle und klinische Untersuchungen (opens in a new tab)

  14. Mechanisms of Synthetic Lethality in Renal Cell Carcinoma

    … relationship between Core Binding Factor β (CBF-β) and pVHL. While CBF-β is critical for normal osteogenesis and haematopoiesis, little is known about its role in renal tissue. CBF-β classically stabilises the Runt related transcription factors (RUNX1-3) to improve their transcriptional …

    cambridge Repository record for Mechanisms of Synthetic Lethality in Renal Cell Carcinoma (opens in a new tab)

  15. Reinforcement Learning Control for Mobile Robot Parking with Safety Constraints

    … learning (RL) with control barrier function (CBF)-based methods to achieve safe autonomous vehicle control, focusing on parking with obstacle avoidance. We apply Deep Deterministic Policy Gradient (DDPG) methods for continuous control and evaluate policies across three Simulink environments of …

    cuny Repository record for Reinforcement Learning Control for Mobile Robot Parking with Safety Constraints (opens in a new tab)

  16. Interferometric, acousto-optic modulated diffuse correlation spectroscopy @ 1064 nm (AOM-iDCS) toward higher sensitivity, non-invasive measurement of cerebral blood flow

    … and continuously measures cerebral blood flow (CBF) is needed to properly manage treatment. Diffuse Correlation Spectroscopy (DCS) is an established optical technique that enables continuous, non-invasive, and direct measurements of CBF. The effectiveness of DCS in measuring CBF is hampered in …

    mit Repository record for Interferometric, acousto-optic modulated diffuse correlation spectroscopy @ 1064 nm (AOM-iDCS) toward higher sensitivity, non-invasive measurement of cerebral blood flow (opens in a new tab)

  17. Framework for Assessing Integrated Water Resources Management in Latin America: Case Studies of Buenos Aires and São Paulo

    … assessment tool, the City Blueprint Framework (CBF), which was designed to evaluate IWRM projects holistically. This research attempts to answer how well the CBF works to assess the sustainability of IWRM in both cities, and how well the cities are doing as part of the CBF indicator. World Bank …

    unm Repository record for Framework for Assessing Integrated Water Resources Management in Latin America: Case Studies of Buenos Aires and São Paulo (opens in a new tab)

  18. DEVELOPMENT OF IMPROVED ARTERIAL SPIN LABELING METHODS IN HUMANS AND ANIMAL MODELS

    … tool in evaluating cerebral blood flow (CBF), with applications in clinical imaging for brain tumors and stroke, and as a research tool for brain injury and Alzheimers disease. Multi-TI ASL makes it possible to measure CBF and arterial transit time (ATT). First, multi-TI ASL is optimized …

    wfu Repository record for DEVELOPMENT OF IMPROVED ARTERIAL SPIN LABELING METHODS IN HUMANS AND ANIMAL MODELS (opens in a new tab)

  19. Expanding the role of functional mri in rehabilitation research

    … These additional markers, cerebral blood flow (CBF) and cerebral blood volume (CBV) (and hence cerebral metabolic rate of oxygen (CMRO₂) modeling) are more specific imaging markers of neuronal activity than BOLD. The first aim of this dissertation assesses feasibility of complementing BOLD with …

    gatech Repository record for Expanding the role of functional mri in rehabilitation research (opens in a new tab)

  20. The impact of ischaemic preconditioning on cerebrovascular function in healthy individuals.

    … the impact of RIPC on cerebral blood flow (CBF) or cerebrovascular function. The overall aim of this thesis was to assess, in healthy individuals, the impact of bilateral arm RIPC or SHAM on resting CBF, cerebrovascular reactivity, cerebral autoregulation, and autoregulation during …

    liverpool-jm Repository record for The impact of ischaemic preconditioning on cerebrovascular function in healthy individuals. (opens in a new tab)

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