Germany's journey toward 14 Tesla human magnetic resonance

ME Ladd, HH Quick, O Speck, M Bock… - … resonance materials in …, 2023 - Springer
Multiple sites within Germany operate human MRI systems with magnetic fields either at 7
Tesla or 9.4 Tesla. In 2013, these sites formed a network to facilitate and harmonize the …

In vivo magnetic resonance spectroscopy methods for investigating cardiac metabolism

M Esmaeili, R Vettukattil - Metabolites, 2022 - mdpi.com
Magnetic resonance spectroscopy (MRS) is a non-invasive and non-ionizing technique,
enabling in vivo investigation of cardiac metabolism in normal and diseased hearts. In vivo …

Sensitivity analysis for interpretation of machine learning based segmentation models in cardiac MRI

MJ Ankenbrand, L Shainberg, M Hock, D Lohr… - BMC Medical …, 2021 - Springer
Background Image segmentation is a common task in medical imaging eg, for volumetry
analysis in cardiac MRI. Artificial neural networks are used to automate this task with …

On the way to routine cardiac MRI at 7 Tesla-a pilot study on consecutive 84 examinations

T Reiter, D Lohr, M Hock, MJ Ankenbrand… - PLoS …, 2021 - journals.plos.org
Introduction Cardiac magnetic resonance (CMR) at ultrahigh field (UHF) offers the potential
of high resolution and fast image acquisition. Both technical and physiological challenges …

Motion‐compensated fat‐water imaging for 3D cardiac MRI at ultra‐high fields

S Dietrich, CS Aigner, J Mayer… - Magnetic …, 2022 - Wiley Online Library
Purpose Respiratory motion‐compensated (MC) 3D cardiac fat‐water imaging at 7T.
Methods Free‐breathing bipolar 3D triple‐echo gradient‐recalled‐echo (GRE) data with …

Tailored and universal parallel transmit broadband pulses for homogeneous 3D excitation of the human heart at 7T

CS Aigner, S Dietrich‐Conzelmann… - Magnetic resonance …, 2024 - Wiley Online Library
Purpose To research and evaluate the performance of broadband tailored kT‐point pulses
(TP) and universal pulses (UP) for homogeneous excitation of the human heart at 7T …

Rotary excitation of non‐sinusoidal pulsed magnetic fields: Towards non‐invasive direct detection of cardiac conduction

P Albertova, M Gram, M Blaimer… - Magnetic …, 2024 - Wiley Online Library
Purpose There is a need for high resolution non‐invasive imaging methods of physiologic
magnetic fields. The purpose of this work is to develop a MRI detection approach for non …

Precision imaging of cardiac function and scar size in acute and chronic porcine myocardial infarction using ultrahigh-field MRI

D Lohr, A Kollmann, M Bille, M Terekhov… - Communications …, 2024 - nature.com
Background 7 T cardiac magnetic resonance imaging (MRI) studies may enable higher
precision in clinical metrics like cardiac function, ventricular mass, and more. Higher …

A modular motion compensation pipeline for prospective respiratory motion correction of multi-nuclear MR spectroscopy

S Wampl, T Körner, M Meyerspeer, M Zaitsev… - Scientific Reports, 2024 - nature.com
Magnetic resonance (MR) acquisitions of the torso are frequently affected by respiratory
motion with detrimental effects on signal quality. The motion of organs inside the body is …

High resolution simulation and measurement demonstrate oscillatory spatiotemporal B0 fluctuations across the human cardiac cycle

Y Shang, S Theilenberg, M Gajdošík… - Magnetic …, 2024 - Wiley Online Library
Purpose Functional cardiac MRI scans employing balanced steady‐state free precession
sequences suffer from dark band artifacts in the myocardium due to B0 inhomogeneity. We …