Daniel Bulte

Summary

Affiliation: University of Oxford
Country: UK

Publications

  1. ncbi request reprint Flow-metabolism coupling in human visual, motor, and supplementary motor areas assessed by magnetic resonance imaging
    Peter A Chiarelli
    Oxford Centre for Functional Magnetic Resonance Imaging of the Brain, Oxford University, John Radcliffe Hospital, Oxford, UK
    Magn Reson Med 57:538-47. 2007
  2. pmc The effect of basal vasodilation on hypercapnic and hypocapnic reactivity measured using magnetic resonance imaging
    Molly G Bright
    Advanced MRI Section, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
    J Cereb Blood Flow Metab 31:426-38. 2011
  3. doi request reprint Quantitative measurement of cerebral physiology using respiratory-calibrated MRI
    D P Bulte
    FMRIB Centre, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
    Neuroimage 60:582-91. 2012
  4. ncbi request reprint Cerebral perfusion response to hyperoxia
    Daniel P Bulte
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, Oxford, UK
    J Cereb Blood Flow Metab 27:69-75. 2007
  5. doi request reprint Comparison of hypercapnia-based calibration techniques for measurement of cerebral oxygen metabolism with MRI
    Daniel P Bulte
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, United Kingdom
    Magn Reson Med 61:391-8. 2009
  6. ncbi request reprint Measurement of cerebral blood volume in humans using hyperoxic MRI contrast
    Daniel Bulte
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, Oxford, UK
    J Magn Reson Imaging 26:894-9. 2007
  7. pmc Characterization of regional heterogeneity in cerebrovascular reactivity dynamics using novel hypocapnia task and BOLD fMRI
    Molly G Bright
    Laboratory for Advanced MRI, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
    Neuroimage 48:166-75. 2009
  8. ncbi request reprint A calibration method for quantitative BOLD fMRI based on hyperoxia
    Peter A Chiarelli
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DU, UK
    Neuroimage 37:808-20. 2007
  9. pmc Evidence for a vascular contribution to diffusion FMRI at high b value
    Karla L Miller
    Centre for Functional MRI of the Brain FMRIB, Oxford Centre for Clinical Magnetic Resonance OCMR, and Department of Experimental Psychology, University of Oxford, Oxford, Oxon OX3 9DU, United Kingdom
    Proc Natl Acad Sci U S A 104:20967-72. 2007
  10. ncbi request reprint Dynamic forcing of end-tidal carbon dioxide and oxygen applied to functional magnetic resonance imaging
    Richard G Wise
    Centre for Functional Magnetic Resonance Imaging of the Brain, Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital, Oxford, UK
    J Cereb Blood Flow Metab 27:1521-32. 2007

Detail Information

Publications13

  1. ncbi request reprint Flow-metabolism coupling in human visual, motor, and supplementary motor areas assessed by magnetic resonance imaging
    Peter A Chiarelli
    Oxford Centre for Functional Magnetic Resonance Imaging of the Brain, Oxford University, John Radcliffe Hospital, Oxford, UK
    Magn Reson Med 57:538-47. 2007
    ..Our results support the existence of regional differences in neurovascular coupling, and argue for the importance of achieving optimal accuracy in hypercapnia calibrations to resolve method-dependent variations in published results...
  2. pmc The effect of basal vasodilation on hypercapnic and hypocapnic reactivity measured using magnetic resonance imaging
    Molly G Bright
    Advanced MRI Section, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA
    J Cereb Blood Flow Metab 31:426-38. 2011
    ....
  3. doi request reprint Quantitative measurement of cerebral physiology using respiratory-calibrated MRI
    D P Bulte
    FMRIB Centre, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
    Neuroimage 60:582-91. 2012
    ..The technique uses a combined hyperoxia and hypercapnia paradigm with a modified arterial spin labelling sequence...
  4. ncbi request reprint Cerebral perfusion response to hyperoxia
    Daniel P Bulte
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, Oxford, UK
    J Cereb Blood Flow Metab 27:69-75. 2007
    ....
  5. doi request reprint Comparison of hypercapnia-based calibration techniques for measurement of cerebral oxygen metabolism with MRI
    Daniel P Bulte
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, United Kingdom
    Magn Reson Med 61:391-8. 2009
    ..We argue that of the aforementioned stimuli, inspiration of 4% CO2, 21% O2 and balance N2 should be preferred for the calibration as the other stimuli produce responses that violate assumptions of the metabolic model...
  6. ncbi request reprint Measurement of cerebral blood volume in humans using hyperoxic MRI contrast
    Daniel Bulte
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, Oxford, UK
    J Magn Reson Imaging 26:894-9. 2007
    ..To develop a new method of measuring quantitative regional cerebral blood volume (CBV) using epochs of hyperoxia as an intravenous contrast agent with T2*-weighted MRI...
  7. pmc Characterization of regional heterogeneity in cerebrovascular reactivity dynamics using novel hypocapnia task and BOLD fMRI
    Molly G Bright
    Laboratory for Advanced MRI, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
    Neuroimage 48:166-75. 2009
    ..Similarity between resulting reactivity maps suggest CDB offers an alternative method for mapping cerebrovascular reactivity...
  8. ncbi request reprint A calibration method for quantitative BOLD fMRI based on hyperoxia
    Peter A Chiarelli
    FMRIB Centre, Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital, Oxford, OX3 9DU, UK
    Neuroimage 37:808-20. 2007
    ..Further, the hyperoxia technique is able to provide an estimate of the calibration constant that has lower overall intersubject and intersession variability compared to the hypercapnia approach...
  9. pmc Evidence for a vascular contribution to diffusion FMRI at high b value
    Karla L Miller
    Centre for Functional MRI of the Brain FMRIB, Oxford Centre for Clinical Magnetic Resonance OCMR, and Department of Experimental Psychology, University of Oxford, Oxford, Oxon OX3 9DU, United Kingdom
    Proc Natl Acad Sci U S A 104:20967-72. 2007
    ..These results suggest that a large component of the diffusion FMRI signal at high b value is vascular rather than neuronal...
  10. ncbi request reprint Dynamic forcing of end-tidal carbon dioxide and oxygen applied to functional magnetic resonance imaging
    Richard G Wise
    Centre for Functional Magnetic Resonance Imaging of the Brain, Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital, Oxford, UK
    J Cereb Blood Flow Metab 27:1521-32. 2007
    ..The DEF system can provide flexible, convenient, and physiologically well-controlled respiratory challenges in the MRI environment for mapping dynamic responses of the cerebrovasculature...
  11. ncbi request reprint Sources of systematic bias in hypercapnia-calibrated functional MRI estimation of oxygen metabolism
    Peter A Chiarelli
    Oxford Centre for Functional Magnetic Resonance Imaging of the Brain, Department of Clinical Neurology, Oxford University, OX3 9DU, UK
    Neuroimage 34:35-43. 2007
    ..Our results suggest that the accurate determination of M is of greater importance than thought previously and indicate that BOLD-CBF data must always be supplied when considering CMR(O2)-CBF behavior in a particular brain region...
  12. ncbi request reprint Vasomodulation of skeletal muscle BOLD signal
    Daniel P Bulte
    Functional Magnetic Resonance Imaging of the Brain FMRIB Centre, John Radcliffe Hospital, Headington, Oxfordshire, and Clinical Neurology, University of Oxford, United Kingdom
    J Magn Reson Imaging 24:886-90. 2006
    ..To evaluate whether the BOLD signal from skeletal muscle can be modulated by exercise and ingestion of vasoactive substances...
  13. ncbi request reprint BOLD magnetic resonance imaging of skeletal muscle
    Michael D Noseworthy
    Department of Radiology, McMaster University, Hamilton, Ontario, Canada
    Semin Musculoskelet Radiol 7:307-15. 2003
    ..In addition we present new findings showing the possible application of BOLD imaging with hyperoxia for evaluating skeletal muscle physiology...