7T: Physics, safety, and potential clinical applications

O Kraff, HH Quick - Journal of Magnetic Resonance Imaging, 2017 - Wiley Online Library
With more than 60 installed magnetic resonance imaging (MRI) systems worldwide
operating at a magnetic field strength of 7T or higher, ultrahigh‐field (UHF) MRI has been …

MRI at 7 Tesla and above: demonstrated and potential capabilities

O Kraff, A Fischer, AM Nagel… - Journal of Magnetic …, 2015 - Wiley Online Library
… studies with enriched 17 O 2 gas. Because of the high costs of enriched 17 O 2 gas, only a
… However, quantification of CMRO 2 by 15 O PET requires multiple 15 O PET measurements…

A network of trans-cortical capillaries as mainstay for blood circulation in long bones

…, S Voortmann, S Lang, W Baum, A Ohs, O Kraff… - Nature …, 2019 - nature.com
o, No gender-specific differences in TCV numbers were observed (data are mean ± sem of
one … (All procedures illustrated in a, f, k, o and p were repeated at least four times in individual …

First clinical study on ultra-high-field MR imaging in patients with multiple sclerosis: comparison of 1.5 T and 7T

…, M Schlamann, JM Theysohn, O Kraff… - American Journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Higher magnetic field strengths and continuous improvement
of high-resolution imaging in multiple sclerosis (MS) are expected to provide unique in-…

Subjective acceptance of 7 Tesla MRI for human imaging

JM Theysohn, S Maderwald, O Kraff… - … Resonance Materials in …, 2008 - Springer
Objective One prerequisite for transferring ultra-high-field magnetic resonance imaging (MRI)
(>3T) into clinical diagnostic workup is a low rate of side effects. To our knowledge, …

In vivo biochemical 7.0 Tesla magnetic resonance: preliminary results of dGEMRIC, zonal T2, and T2* mapping of articular cartilage

…, C Zilkens, S Quirbach, K Scheffler, O Kraff… - Investigative …, 2008 - journals.lww.com
Materials and Methods: MRI was performed on a whole-body 7.0 T MR scanner using a
dedicated circular polarization knee coil. The protocol consisted of an inversion recovery …

A large‐scale study on subjective perception of discomfort during 7 and 1.5 T MRI examinations

…, JM Theysohn, S Maderwald, O Kraff… - …, 2011 - Wiley Online Library
A study on subjective perception has been carried out in order to gain further insight into
subjective discomfort and sensations experienced during 7 T magnetic resonance imaging (MRI…

[18F]FDG PET/MRI vs. PET/CT for whole-body staging in patients with recurrent malignancies of the female pelvis: initial results

…, P Buderath, B Aktas, P Heusch, O Kraff… - European journal of …, 2015 - Springer
Purpose To evaluate the diagnostic potential of PET/MRI with [ 18 F]FDG in recurrent
ovarian and cervical cancer in comparison to PET/CT. Methods A group of 19 patients with …

Gadolinium-based magnetic resonance contrast agents at 7 Tesla: in vitro T: 1: relaxivities in human blood plasma

…, P Szomolanyi, V Juras, O Kraff… - Investigative …, 2010 - journals.lww.com
Purpose/Introduction: The aim of this study was to determine the T 1 relaxivities (r 1) of 8
gadolinium (Gd)-based MR contrast agents in human blood plasma at 7 Tesla, compared with 3 …

7 tesla MRI of microbleeds and white matter lesions as seen in vascular dementia

JM Theysohn, O Kraff, S Maderwald… - Journal of Magnetic …, 2011 - Wiley Online Library
Purpose: To evaluate 7T MRI in the assessment of cerebrovascular alterations as seen in
vascular dementia by means of detection of cerebral microbleeds (CMB) and depiction of …