Cerebrovascular reactivity measurement using magnetic resonance imaging: a systematic review

E Sleight, MS Stringer, I Marshall, JM Wardlaw… - … in physiology, 2021 - frontiersin.org
… 2 level in the exhaled gas using a gas monitor. Several approaches … challenging to implement
than linear regression, but has the advantage that any models can be used to fit the MRI

Oxygen‐enhanced MRI of the brain

C Losert, M Peller, P Schneider… - Magnetic Resonance in …, 2002 - Wiley Online Library
… (BOLD) contrast MRI is a potential method for a physiological … examinations using a hyperoxia
challenge. Administration of … The gases that are used as a hyperoxia challenge differ in …

Hemodynamic and metabolic changes during hypercapnia with normoxia and hyperoxia using pCASL and TRUST MRI in healthy adults

PT Deckers, AA Bhogal… - Journal of Cerebral …, 2022 - journals.sagepub.com
challenges during MRI in … physiological modeling, our methods could have benefitted from
tighter control and targeting of arterial blood gases via the use of a computer-controlled gas

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

Probing the regional distribution of pulmonary gas exchange through single-breath gas- and dissolved-phase 129Xe MR imaging

SS Kaushik, MS Freeman… - … applied physiology, 2013 - journals.physiology.org
… that 129 Xe MRI is well suited to show regional pulmonary gas transfer. … physiological
approaches to measurement of gas transfer. … -phase excitation remains challenging because of …

High temporal resolution MRI quantification of global cerebral metabolic rate of oxygen consumption in response to apneic challenge

ZB Rodgers, V Jain, EK Englund… - Journal of Cerebral …, 2013 - journals.sagepub.com
… Because the SSS receives venous blood from most of the cortex, this assumption should
be valid, especially during global physiologic challenges such as apnea or gas mixture …

Functional magnetic resonance imaging of the lung

J Biederer, CP Heussel, M Puderbach… - … in respiratory and …, 2014 - thieme-connect.com
… , while absolute quantification remains challenging due to the … of the study by volumetric
physiological information. Some of … He make hyperpolarized gas MRI (HP-MRI) a sophisticated …

Measuring vascular reactivity with resting-state blood oxygenation level-dependent (BOLD) signal fluctuations: A potential alternative to the breath-holding challenge?

H Jahanian, T Christen, ME Moseley… - Journal of Cerebral …, 2017 - journals.sagepub.com
… -state functional magnetic resonance imaging data: physiological … -state functional magnetic
resonance imaging signal. We … the BH challenge, administration of CO 2 enriched gas, or …

… 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, …

The role of cerebrovascular-reactivity mapping in functional MRI: calibrated fMRI and resting-state fMRI

JJ Chen, CJ Gauthier - Frontiers in physiology, 2021 - frontiersin.org
challenges in estimating CVR using gas challenges, a rapidly growing field of study is the
estimation of CVR without any form of challenge, … an overview of the physiological biases and …