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List of works by Armin M Nagel

(39) K and (23) Na relaxation times and MRI of rat head at 21.1 T.

scientific article published on 7 April 2016

23 Na MRI depicts early changes in ion homeostasis in skeletal muscle tissue of patients with duchenne muscular dystrophy

scientific article published on 04 February 2019

23Na MRI and myometry to compare eplerenone vs. glucocorticoid treatment in Duchenne dystrophy

scientific article

23Na MRI of human skeletal muscle using long inversion recovery pulses

scientific article published on 16 August 2019

23Na MRI reveals persistent sodium accumulation in tumefactive MS lesions.

scientific article

3 Tesla sodium inversion recovery magnetic resonance imaging allows for improved visualization of intracellular sodium content changes in muscular channelopathies

scientific article published on 01 December 2011

7-T (35)Cl and (23)Na MR Imaging for Detection of Mutation-dependent Alterations in Muscular Edema and Fat Fraction with Sodium and Chloride Concentrations in Muscular Periodic Paralyses

scientific article published on 01 October 2016

A measurement setup for direct 17O MRI at 7 T.

scientific article

Accelerated quantification of tissue sodium concentration in skeletal muscle tissue: quantitative capability of dictionary learning compressed sensing

scientific article published on 16 January 2020

Anatomically weighted second-order total variation reconstruction of 23Na MRI using prior information from 1H MRI.

scientific article published on 8 November 2014

Apparent Diffusion Coefficient and Sodium Concentration Measurements in Human Prostate Tissue via Hydrogen-1 and Sodium-23 Magnetic Resonance Imaging in a Clinical Setting at 3 T

scientific article published on December 1, 2012

Camptocormia as the presenting symptom in sporadic late onset nemaline myopathy: a case report

scientific article published on 20 November 2019

Cardiorenal sodium MRI at 7.0 Tesla using a 4/4 channel 1 H/23 Na radiofrequency antenna array

scientific article published on 30 June 2019

Clinically compatible subject‐specific dynamic parallel transmit pulse design for homogeneous fat saturation and water‐excitation at 141657T: Proof‐of‐concept for 14165CEST MRI of the brain

scientific article published in 2022

Comparison of optimized intensity correction methods for 23Na MRI of the human brain using a 32-channel phased array coil at 7 Tesla

scientific article published on 19 December 2019

Comparison of potassium and sodium binding in vivo and in agarose samples using TQTPPI pulse sequence.

scientific article

Compressed sensing reconstruction of 7 Tesla 23Na multi-channel breast data using 1H MRI constraint

scientific article published on 31 March 2019

Corrections of myocardial tissue sodium concentration measurements in human cardiac 23 Na MRI at 7 Tesla

scientific article published on 12 March 2019

Detection of collagens by multispectral optoacoustic tomography as an imaging biomarker for Duchenne muscular dystrophy

scientific article published on 02 December 2019

Direct (17)O MRI with partial volume correction: first experiences in a glioblastoma patient

scientific article

Distribution of Brain Sodium Accumulation Correlates with Disability in Multiple Sclerosis: A Cross-sectional23Na MR Imaging Study

scientific article published on July 17, 2012

Distribution of brain sodium long and short relaxation times and concentrations: a multi-echo ultra-high field 23Na MRI study.

scientific article published on 12 March 2018

Double quantum filtered Na MRI with magic angle excitation of human skeletal muscle in the presence of B and B inhomogeneities

scientific article published on 05 October 2018

Effect of Compression Garments on the Development of Delayed-Onset Muscle Soreness: A Multimodal Approach Using Contrast-Enhanced Ultrasound and Acoustic Radiation Force Impulse Elastography

scientific article published on 12 June 2018

Effect of Compression Garments on the Development of Edema and Soreness in Delayed-Onset Muscle Soreness (DOMS)

article

Elevated tissue sodium deposition in patients with type 2 diabetes on hemodialysis detected by 23Na magnetic resonance imaging

scientific article

Evaluation of adaptive combination of 30-channel head receive coil array data in 23Na MR imaging.

scientific article

Exploration of New Contrasts, Targets, and MR Imaging and Spectroscopy Techniques for Neuromuscular Disease - A Workshop Report of Working Group 3 of the Biomedicine and Molecular Biosciences COST Action BM1304 MYO-MRI

scientific article published on 01 January 2019

Exposure to 16 h of normobaric hypoxia induces ionic edema in the healthy brain

scientific article published in 2021

Fast in vivo 23 Na imaging and T2∗ mapping using accelerated 2D-FID UTE magnetic resonance spectroscopic imaging at 3 T: Proof of concept and reliability study

scientific article published on 09 November 2020

Fast online-customized (FOCUS) parallel transmission pulses: A combination of universal pulses and individual optimization

scientific article published on 05 January 2021

Functional imaging in muscular diseases

scientific article published on June 28, 2011

High resolution time-of-flight MR-angiography at 7 T exploiting VERSE saturation, compressed sensing and segmentation

scientific article published on 18 August 2019

Hyperkalemic Periodic Paralysis and Permanent Weakness: 3-T MR Imaging Depicts Intracellular23Na Overload—Initial Results

scientific article published on April 16, 2012

Imaging for deep brain stimulation: The zona incerta at 7 Tesla.

scientific article published on January 2013

Improved Brain Tumor Classification by Sodium MR Imaging: Prediction of IDH Mutation Status and Tumor Progression

scientific article published on 22 October 2015

Improved [Formula: see text] determination in (23)Na, (35)Cl, and (17)O MRI using iterative partial volume correction based on (1)H MRI segmentation

scientific article

In vivo 35Cl MR imaging in humans: a feasibility study

scientific article

In vivo 39K MR imaging of human muscle and brain.

scientific article

In vivo assessment of cold stimulation effects on the fat fraction of brown adipose tissue using DIXON MRI.

scientific article

In vivo imaging of the time-dependent apparent diffusional kurtosis in the human calf muscle.

scientific article published on 2 September 2014

In vivo observation of quadrupolar splitting in (39)K magnetic resonance spectroscopy of human muscle tissue

scientific article published on 2 February 2016

In vivo potassium MRI of the human heart

scientific article published on 27 August 2019

In vivo self-gated 23 Na MRI at 7 T using an oval-shaped body resonator.

scientific article published on 9 February 2018

In vivo visualization of mesoscopic anatomy of healthy and pathological lymph nodes using 7T MRI: a feasibility study

scientific article published on 26 June 2014

Intramuscular Perfusion Response in Delayed Onset Muscle Soreness (DOMS): A Quantitative Analysis with Contrast-Enhanced Ultrasound (CEUS).

scientific article published on 10 August 2017

Iterative reconstruction of radially-sampled 31P bSSFP data using prior information from 1H MRI.

scientific article

Localized B0 shimming based on 23 Na MRI at 7 T

scientific article published on 08 October 2019

MRI Brain Signal Intensity and Relaxation Times in Individuals with Prior Exposure to Gadobutrol

scientific article published on 01 January 2019

MRI-based simulation of treatment plans for ion radiotherapy in the brain region.

scientific article published on 19 November 2013

MRI-based treatment plan simulation and adaptation for ion radiotherapy using a classification-based approach

scientific article

Millimeter spatial resolution in vivo sodium MRI of the human eye at 7 T using a dedicated radiofrequency transceiver array

scientific article published on 12 January 2018

Multi-contrast T2(⁎)-relaxometry upon visual stimulation at 3T and 7T.

scientific article published in April 2016

Multicenter Study of Subjective Acceptance During Magnetic Resonance Imaging at 7 and 9.4 T

article

Multinuclear MRI at Ultrahigh Fields

scientific article published on 01 June 2019

Multiparametric MRI for Characterization of the Basal Ganglia and the Midbrain

scientific article published on 21 June 2021

Multiple interleaved mode saturation (MIMOSA) for B1 + inhomogeneity mitigation in chemical exchange saturation transfer

scientific article published on 19 April 2019

Multipulse sodium magnetic resonance imaging for multicompartment quantification: Proof-of-concept

scientific article published on 12 December 2017

Nuclear overhauser enhancement mediated chemical exchange saturation transfer imaging at 7 Tesla in glioblastoma patients

scientific article

Nuclear-Overhauser-enhanced MR imaging of (31)P-containing metabolites: multipoint-Dixon vs. frequency-selective excitation.

scientific article published on 3 August 2015

On the Field Strength Dependence of Bi- and Triexponential Intravoxel Incoherent Motion (IVIM) Parameters in the Liver

scientific article published on 03 April 2019

Partial volume correction for in vivo (23)Na-MRI data of the human brain

scientific article published on 20 March 2015

Performance of sampling density-weighted and postfiltered density-adapted projection reconstruction in sodium magnetic resonance imaging.

scientific article published on 3 April 2012

Permanent muscular sodium overload and persistent muscle edema in Duchenne muscular dystrophy: a possible contributor of progressive muscle degeneration

scientific article published on 28 April 2012

Potential of Sodium MRI as a Biomarker for Neurodegeneration and Neuroinflammation in Multiple Sclerosis

scientific article published on 11 February 2019

Probing the microscopic environment of 23 Na ions in brain tissue by MRI: On the accuracy of different sampling schemes for the determination of rapid, biexponential T2* decay at low signal-to-noise ratio.

scientific article published on 17 January 2018

Pros and cons of ultra-high-field MRI/MRS for human application

scientific article published on 08 June 2018

Pulmonary Dysfunction after Pediatric COVID-19

scientific article published in 2023

Quantification of tumor vessels in glioblastoma patients using time-of-flight angiography at 7 Tesla: a feasibility study

scientific article

Quantitative 1H and 23Na muscle MRI in Facioscapulohumeral muscular dystrophy patients

scientific article published on 12 October 2020

Quantitative Dynamic Oxygen 17 MRI at 7.0 T for the Cerebral Oxygen Metabolism in Glioma

scientific article published on 18 February 2020

Quantitative Imaging in Muscle Diseases with Focus on Non-proton MRI and Other Advanced MRI Techniques

scientific article published on 01 August 2020

Quantitative and qualitative (23)Na MR imaging of the human kidneys at 3 T: before and after a water load.

scientific article

Quantitative susceptibility mapping and 23 Na imaging-based in vitro characterization of blood clotting kinetics

scientific article published on 25 April 2018

Quantitative susceptibility mapping differentiates between blood depositions and calcifications in patients with glioblastoma

scientific article

Rationale for treating oedema in Duchenne muscular dystrophy with eplerenone

scientific article

Reduction of B(0) inhomogeneity effects in triple-quantum-filtered sodium imaging

scientific article published on 18 November 2009

Reproducibility of CMRO2 determination using dynamic (17) O MRI.

scientific article published on 13 October 2017

Retrospectively-gated CINE (23)Na imaging of the heart at 7.0 Tesla using density-adapted 3D projection reconstruction.

scientific article

SGLT-2-inhibition with dapagliflozin reduces tissue sodium content: a randomised controlled trial.

scientific article published on 4 January 2018

Sample size estimation: Current practice and considerations for original investigations in MRI technical development studies

scientific article published on 15 October 2020

Siponimod (BAF-312) Attenuates Perihemorrhagic Edema And Improves Survival in Experimental Intracerebral Hemorrhage

scientific article published on 27 September 2019

Sodium (23Na) MRI detects elevated muscular sodium concentration in Duchenne muscular dystrophy

scientific article published on 23 November 2011

Sodium MRI in Multiple Sclerosis is Compatible with Intracellular Sodium Accumulation and Inflammation-Induced Hyper-Cellularity of Acute Brain Lesions.

scientific article published on 10 August 2016

Sodium MRI of the human heart at 7.0 T: preliminary results.

scientific article

Sodium MRI using a density-adapted 3D radial acquisition technique.

scientific article published in December 2009

Spatial Distortion in MRI-Guided Stereotactic Procedures: Evaluation in 1.5-, 3- and 7-Tesla MRI Scanners.

scientific article published on 16 December 2015

Temperature and concentration calibration of aqueous polyvinylpyrrolidone (PVP) solutions for isotropic diffusion MRI phantoms

scientific article

The potential of relaxation-weighted sodium magnetic resonance imaging as demonstrated on brain tumors

scientific article published in September 2011

Three-dimensional biexponential weighted (23)Na imaging of the human brain with higher SNR and shorter acquisition time

scientific article published on 11 October 2012

Three-dimensional dictionary-learning reconstruction of (23)Na MRI data.

scientific article

Tissue sodium content in patients with type 2 diabetes mellitus

scientific article published on 16 April 2019

Two-dimensional radial acquisition technique with density adaption in sodium MRI.

scientific article published on 4 November 2010

Two-pulse biexponential-weighted 23Na imaging

scientific article published on 28 January 2014

W(h)ither human cardiac and body magnetic resonance at ultrahigh fields? technical advances, practical considerations, applications, and clinical opportunities

scientific article

Whole body sodium MRI at 3T using an asymmetric birdcage resonator and short echo time sequence: first images of a male volunteer.

scientific article

[Update cartilage imaging of the small joints : Focus on high-field MRI]

scientific article published on 01 August 2019