Cerebrovascular reactivity mapping without gas challenges: a methodological guide

J Pinto, MG Bright, DP Bulte, P Figueiredo - Frontiers in Physiology, 2021 - frontiersin.org
… without the need for external gas challenges have been proposed. … Despite the multitude
of alternatives to gas challenges, … based on MRI and CO 2 variations without gas challenges, …

Lung MRI with hyperpolarised gases: current & future clinical perspectives

NJ Stewart, LJ Smith, HF Chan… - The British Journal of …, 2022 - academic.oup.com
… understanding of patho-physiology of certain lung diseases. HP gas MRI is now poised to
… detect lung disease remains challenging, and most CT scans remain qualitative. HP 129 Xe …

Noninvasive monitoring of the response of human lungs to low‐dose lipopolysaccharide inhalation challenge using MRI: A feasibility study

AL Kern, H Biller, F Klimeš… - … Resonance Imaging, 2020 - Wiley Online Library
… 1.5T/hyperpolarized 129 Xe MRI: Interleaved multiecho imaging of dissolved and gas phase…
between quantities derived from MRI and physiologic processes derived from cell counts …

Feasibility of glioblastoma tissue response mapping with physiologic BOLD imaging using precise oxygen and carbon dioxide challenge

V Stumpo, M Sebök, CHB van Niftrik, K Seystahl… - … Resonance Materials in …, 2021 - Springer
… Innovative physiologic MRI development focuses on depiction of heterogenous vascular …
Quantification of BOLD signal change after gas challenges can be used to identify specific …

Oxygen-sensitive MRI: a predictive imaging biomarker for tumor radiation response?

TJ Arai, DM Yang, JW Campbell III, T Chiu… - International Journal of …, 2021 - Elsevier
… Oxygen-sensitive magnetic resonance imaging (MRI) (T 1 -weighted, ΔR 1 , ΔR 2 *) was
applied to 79 of these tumors at 4.7 T to assess response to an oxygen gas breathing challenge

… using hyperpolarized 129Xe MRI for imaging of ventilation, alveolar‐airspace size, and gas exchange: A position paper from the 129Xe MRI clinical trials consortium

PJ Niedbalski, CS Hall, M Castro… - Magnetic resonance …, 2021 - Wiley Online Library
… dosing, acquisition order, physiologic monitoring, and imaging of the different HP 129 Xe …
biomarkers but may currently be overly challenging to widely implement due to hardware, …

Feasibility of 4D T2* quantification in the lung with oxygen gas challenge in patients with non-small cell lung cancer

K Breuer, S Weick, SP Ströhle, FA Breuer, P Kleine… - Physica Medica, 2020 - Elsevier
… Blood oxygen level-dependent (BOLD) MRI is a non-invasive diagnostic method for … of the
tumour after gas challenge under consideration of physiological changes. The comparison of …

Contrasting measures of cerebrovascular reactivity between MRI and Doppler: a cross-sectional study of younger and older healthy individuals

CV Burley, ST Francis, KN Thomas… - … in Physiology, 2021 - frontiersin.org
… During the gas challenge period the acquisition started 90 s … MRI in this study, a double-echo
2D-EPI sequence was used to acquire BOLD weighted fMRI data during the gas challenge

Tumor grafts grown on the chicken chorioallantoic membrane are distinctively characterized by MRI under functional gas challenge

CF Waschkies, FK Pfiffner, DM Heuberger… - Scientific reports, 2020 - nature.com
… functional gas challenge with carbogen is feasible through gas exchange on the CAM, and it
affects MRI … and characterized non-invasively in ovo using MRI in the living chicken embryo. …

Pulmonary functional MRI: Detecting the structure–function pathologies that drive asthma symptoms and quality of life

HK Kooner, MJ McIntosh, V Desaigoudar… - …, 2022 - Wiley Online Library
… to be abnormally increased following a methacholine challenge in dependent regions of the
… lung physiology (MURDOCH) Use 129 Xe gas MRI and 19 F gas MRI to obtain physiological