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Gunnar Krüger

Cette personne a quitté l’EPFL

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Publications associées (60)

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An Initial Report on the Performance of Post Contrast Self-Navigated Whole-Heart Coronary MRI in Patients with Suspected or Established Coronary Artery Disease

Gunnar Krüger, Davide Piccini, Didier Locca

2013

On the reproducibility and anatomical correspondence of DSI tractography

Jean-Philippe Thiran, Reto Meuli, Patric Hagmann, Alessandro Daducci, Gunnar Krüger, Leila Cammoun, Cristina Granziera, Xavier Gigandet, Leila Faiza Ben Hamida Cammoun

Diffusion spectrum imaging (DSI) is increasingly explored in clinical research. The quantitative value of the DSI technique, however, has still to be established. In this context, a better understanding of the reproducibility and the anatomical corresponde ...

2010

Testing the variability of Diffusion Spectrum Imaging (DSI): Inter- and intra-site comparison on "identical" 3T scanners

Jean-Philippe Thiran, Reto Meuli, Alessandro Daducci, Gunnar Krüger, François Lazeyras, Alia Lemkaddem

Multi-center neuroimaging studies have more power than smaller ones to conduct sophisticated studies of basic neuroanatomy and clinical disorders. One important confound of combining images obtained from different scanners is the potential for scanner effe ...

2011

Magnetic resonance imaging of peripheral nerves: Differences in magnetization transfer

Gunnar Krüger, Giulio Gambarota

Introduction: Magnetic resonance imaging (MRI) is an excellent imaging modality for soft tissues. Magnetization transfer (MT) imaging is an MRI technique that is sensitive to the bound protons of macromolecules and therefore can aid in the assessment of ne ...

2012

Structural abnormalities in the thalamus of migraine patients: a multi-parametric study at high field

Alessandro Daducci, Gunnar Krüger, Cristina Granziera, Nouchine Hadjikhani, David Paul Roger Romascano, Alexis Roche

2012

Effects of MRI scan acceleration on brain volume measurement consistency

Gunnar Krüger, Bénédicte Marie Maréchal, Cristina Granziera

To evaluate the effects of recent advances in magnetic resonance imaging (MRI) radiofrequency (RF) coil and parallel imaging technology on brain volume measurement consistency. ...

Wiley-Blackwell2012

Dielectric pads and low- B1+ adiabatic pulses: Complementary techniques to optimize structural T1w whole-brain MP2RAGE scans at 7 tesla

Tobias Kober, José Pedro Rebelo Ferreira Marques, Gunnar Krüger, François Lazeyras, Kieran O'Brien

Purpose To evaluate the combination of low-B1+ adiabatic pulses and high permittivity (εr ≈ 165) dielectric pads effectiveness to reproducibly improve the inversion efficiency for whole-brain MP2RAGE scans, at ultra-high field. Materials and Methods Two lo ...

Wiley-Blackwell2014

Fluid and white matter suppression with the MP2RAGE sequence

Tobias Kober, José Pedro Rebelo Ferreira Marques, Gunnar Krüger, Giulio Gambarota

Purpose: To develop a magnetic resonance imaging (MRI) sequence (fluid and white matter suppression, FLAWS) for generating two sets of images from a single acquisition: one with contrast similar to a T1-weighted magnetization-prepared rapid gradient-echo s ...

Wiley-Blackwell2012

High-Quality MR Spectroscopy of the Human Brain with Full Signal Intensity at Echo Times Below 6 ms on a Clinical Platform at 3T and 7T

Rolf Gruetter, Gunnar Krüger, Giulio Gambarota

2008

Comparison Of Single-Shot 2d EPI And Segmented 3d EVI Acquisition For fMRI at 7T

Rolf Gruetter, Tobias Kober, José Pedro Rebelo Ferreira Marques, Wietske Van der Zwaag, Gunnar Krüger

2009

A new early and automated MRI-based predictor of motor improvement after stroke

Jean-Philippe Thiran, Reto Meuli, Alessandro Daducci, Gunnar Krüger, Djalel Eddine Meskaldji, Cristina Granziera, Nouchine Hadjikhani, Alexis Roche, Richard Frackowiak

Objectives: In this study, we investigated the structural plasticity of the contralesional motor network in ischemic stroke patients using diffusion magnetic resonance imaging (MRI) and explored a model that combines a MRI-based metric of contralesional ne ...

2012

A simple method to denoise MP2RAGE

Rolf Gruetter, Gunnar Krüger, François Lazeyras, Alexis Roche, Kieran O'Brien

2013

Advanced MRI unravels the nature of tissue alterations in early multiple sclerosis

Jean-Philippe Thiran, Cristina Granziera, Gunnar Krüger, Djalel Eddine Meskaldji, Gloria Menegaz, David Paul Roger Romascano, Alexis Roche, Guillaume Bonnier, Ying-Chia Lin

In patients with multiple sclerosis (MS), conventional magnetic resonance imaging (MRI) provides only limited insights into the nature of brain damage with modest clinic-radiological correlation. In this study, we applied recent advances in MRI techniques ...

2014

Microstructural alterations in the brain of well treated HIV+ patients with minor neurocognitive disorders: a multi-contrast study at high field

Alessandro Daducci, Cristina Granziera, Gunnar Krüger, Djalel Eddine Meskaldji, Alexis Roche

2012

A Connectome-Based Comparison of Diffusion MRI Schemes

Jean-Philippe Thiran, Reto Meuli, Tobias Kober, Patric Hagmann, Alessandro Daducci, Alessandra Griffa, Gunnar Krüger, Xavier Gigandet

Public Library of Science2013

Multi-slice 2D MR imaging: automatic assessment of image quality

Jean-Philippe Thiran, Gunnar Krüger, Bénédicte Marie Maréchal

We describe a method for the automatic quality assessment of multi-slice 2D MRIs with FLAIR, T2, or PD contrast. Quality measures are derived by analyzing the air background, which can be used to sensitively detect typical motion artifacts. Validated on 42 ...

American Society of Neuroradiology2011

Gunnar Krüger

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An Initial Report on the Performance of Post Contrast Self-Navigated Whole-Heart Coronary MRI in Patients with Suspected or Established Coronary Artery Disease

On the reproducibility and anatomical correspondence of DSI tractography

Testing the variability of Diffusion Spectrum Imaging (DSI): Inter- and intra-site comparison on "identical" 3T scanners

Magnetic resonance imaging of peripheral nerves: Differences in magnetization transfer

Structural abnormalities in the thalamus of migraine patients: a multi-parametric study at high field

Effects of MRI scan acceleration on brain volume measurement consistency

Dielectric pads and low- B1+ adiabatic pulses: Complementary techniques to optimize structural T1w whole-brain MP2RAGE scans at 7 tesla

Fluid and white matter suppression with the MP2RAGE sequence

High-Quality MR Spectroscopy of the Human Brain with Full Signal Intensity at Echo Times Below 6 ms on a Clinical Platform at 3T and 7T

Comparison Of Single-Shot 2d EPI And Segmented 3d EVI Acquisition For fMRI at 7T

A new early and automated MRI-based predictor of motor improvement after stroke

A simple method to denoise MP2RAGE

Advanced MRI unravels the nature of tissue alterations in early multiple sclerosis

Microstructural alterations in the brain of well treated HIV+ patients with minor neurocognitive disorders: a multi-contrast study at high field

A Connectome-Based Comparison of Diffusion MRI Schemes

Multi-slice 2D MR imaging: automatic assessment of image quality

Hybrid MP-RAGE Trajectory with FID Motion Detection and Self-Navigated Motion Correction (MoCoRAGE)

MP2RAGE contrast optimization at 7T and applications

Prospective motion correction with FID-triggered image navigators

FID navigator triggered acquisition of imaging navigators for retrospective head motion correction