Quantitative pulsatility measurements using 3D dynamic ultrasound localization microscopy

C Bourquin, J Porée, B Rauby, V Perrot… - Physics in Medicine …, 2024 - iopscience.iop.org
A rise in blood flow velocity variations (ie pulsatility) in the brain, caused by the stiffening of
upstream arteries, is associated with cognitive impairment and neurodegenerative diseases …

In vivo pulsatility measurement of cerebral microcirculation in rodents using dynamic ultrasound localization microscopy

C Bourquin, J Poree, F Lesage… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
An increased pulse pressure, due to arteries stiffening with age and cardiovascular disease,
may lead to downstream brain damage in microvessels and cognitive decline. Brain-wide …

Brain-wide pulsatility mapping with gated ultrasound localization microscopy in vivo

C Bourquin, J Porée, F Lesage… - The Journal of the …, 2019 - pubs.aip.org
Cardiovascular diseases are associated with cognitive impairment. Aging arteries increased
stiffness leads to an increased pulsatility in downstream vessels and brain structural …

Transcranial ultrafast ultrasound localization microscopy of brain vasculature in patients

C Demené, J Robin, A Dizeux, B Heiles… - Nature biomedical …, 2021 - nature.com
Abstract Changes in cerebral blood flow are associated with stroke, aneurysms, vascular
cognitive impairment, neurodegenerative diseases and other pathologies. Brain …

3D transcranial Dynamic Ultrasound Localization Microscopy in the mouse brain using a Row-Column Array

A Wu, J Porée, G Ramos-Palacios, C Bourquin… - arXiv preprint arXiv …, 2024 - arxiv.org
The role of brain hemodynamics in neurodegenerative diseases cannot be fully assessed
using existing imaging technologies. Recently, 2D Dynamic Ultrasound Localization …

Dynamic Ultrasound Localization Microscopy Without ECG-Gating

N Ghigo, G Ramos-Palacios, C Bourquin, P Xing… - Ultrasound in Medicine …, 2024 - Elsevier
Abstract Objective Dynamic Ultrasound Localization Microscopy (DULM) has first been
developed for non-invasive Pulsatility measurements in the rodent brain. DULM relies on the …

Towards Transcranial 3D Ultrasound Localization Microscopy of the Nonhuman Primate Brain

P Xing, V Perrot, AU Dominguez-Vargas… - arXiv preprint arXiv …, 2024 - arxiv.org
Hemodynamic changes occur in stroke and neurodegenerative diseases. Developing
imaging techniques allowing the in vivo visualization and quantification of cerebral blood …

Functional ultrasound localization microscopy reveals brain-wide neurovascular activity on a microscopic scale

N Renaudin, C Demené, A Dizeux, N Ialy-Radio… - Nature …, 2022 - nature.com
The advent of neuroimaging has increased our understanding of brain function. While most
brain-wide functional imaging modalities exploit neurovascular coupling to map brain …

Volumetric ultrasound localization microscopy of the whole rat brain microvasculature

B Heiles, A Chavignon, A Bergel… - IEEE Open Journal …, 2022 - ieeexplore.ieee.org
Technologies to visualize whole organs across scales in vivo are essential for our
understanding of biology in health and disease. To date, only post-mortem techniques …

3D ultrasound localization microscopy

B Heiles - 2019 - theses.hal.science
Ultrasound Localization Microscopy has demonstrated the ability to overcome the
penetration/resolution conundrum in ultrasound imaging thanks to high frame rate imaging …