Dynamic ASL and T2*‐weighted MRI in exercising calf muscle at 7 T: A feasibility study

K Schewzow, GB Fiedler, M Meyerspeer… - Magnetic …, 2015 - Wiley Online Library
Purpose The aim of this study was to develop a measurement protocol for noninvasive
simultaneous perfusion quantification and T 2 *‐weighted MRI acquisition in the exercising calf …

[HTML][HTML] Skeletal muscle ATP synthesis and cellular H+ handling measured by localized 31P-MRS during exercise and recovery

GB Fiedler, AI Schmid, S Goluch, K Schewzow… - Scientific reports, 2016 - nature.com
31 P magnetic resonance spectroscopy (MRS) is widely used for non-invasive investigation
of muscle metabolism dynamics. This study aims to extend knowledge on parameters …

Exercising calf muscle changes correlate with pH, PCr recovery and maximum oxidative phosphorylation

AI Schmid, K Schewzow, GB Fiedler… - NMR in …, 2014 - Wiley Online Library
Skeletal muscle metabolism is impaired in disorders like diabetes mellitus or peripheral
vascular disease. The skeletal muscle echo planar imaging (EPI) signal (S EPI ) and its relation …

Automatic model‐based analysis of skeletal muscle BOLD‐MRI in reactive hyperemia

K Schewzow, M Andreas, E Moser… - Journal of Magnetic …, 2013 - Wiley Online Library
Purpose To propose a quantitative model for a reliable and operator independent estimation
of parameters describing blood oxygen‐level dependent (BOLD) MRI time course in calf …

Arterial spin-labeling assessment of normalized vascular intratumoral signal intensity as a predictor of histologic grade of astrocytic neoplasms

J Furtner, V Schöpf, K Schewzow… - American Journal …, 2014 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Pulsed arterial spin-labeling is a noninvasive MR imaging
perfusion method performed with the use of water in the arterial blood as an endogenous …

Localized semi-LASER dynamic 31P magnetic resonance spectroscopy of the soleus during and following exercise at 7 T

…, AI Schmid, S Goluch, K Schewzow… - … Resonance Materials in …, 2015 - Springer
Objectives This study demonstrates the applicability of semi-LASER localized dynamic 31 P
MRS to deeper lying areas of the exercising human soleus muscle (SOL). The effect of …

[HTML][HTML] Heme arginate improves reperfusion patterns after ischemia: a randomized, placebo-controlled trial in healthy male subjects

M Andreas, AI Schmid, D Doberer, K Schewzow… - Journal of …, 2012 - Springer
Background Heme arginate can induce heme oxygenase-1 to protect tissue against
ischemia-reperfusion injury. Blood oxygen level dependent (BOLD) functional magnetic resonance …

[HTML][HTML] Unidirectional Electron-Tunnelling Flexible PDMS Strain Sensor with Aligned Carbon Nanotubes

TM de Rijk, S Schewzow, A Schander, W Lang - Sensors, 2023 - mdpi.com
… show a two-phase piezoresistive response; first, a linear strain response, after which the
more dominant electron-tunnelling piezoresistive phase starts with high gauge factors up to k ≈ …

[PDF][PDF] Image registration in ASL-perfusion imaging of kidney-impact on image quality

K Schewzow, F Zöllner, N Oesingmann… - The Proceedings of the …, 1780 - fakultaet.umm.de
Dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) is an emerging technique
for a more accurate assessment of local renal function [1]. Recent findings on NSF and …

ASL in low-intensity exercise at 7 T–initial experiences

K Schewzow, GB Fiedler, M Meyerspeer… - Proc Intl Soc Mag …, 2013 - archive.ismrm.org
Adequate perfusion is essential for muscle function and tissue health. Vascular complications
are a common problem in several diseases like diabetes mellitus. Arterial spin labeling …