Search Results - "ZANELLA, Friedhelm"

Cerebral Gliomas: Diffusional Kurtosis Imaging Analysis of Microstructural Differences by RAAB, Peter, HATTINGEN, Elke, FRANZ, Kea, ZANELLA, Friedhelm E, LANFERMANN, Heinrich

“…To characterize the non-Gaussian diffusion patterns of cerebral glioma microstructure with respect to the different glioma grades by using a new method called…”
Get full text

Phosphorus and proton magnetic resonance spectroscopy demonstrates mitochondrial dysfunction in early and advanced Parkinson's disease by Hattingen, Elke, Magerkurth, Jörg, Pilatus, Ulrich, Mozer, Anne, Seifried, Carola, Steinmetz, Helmuth, Zanella, Friedhelm, Hilker, Rüdiger

“…Mitochondrial dysfunction hypothetically contributes to neuronal degeneration in patients with Parkinson's disease. While several in vitro data exist, the…”
Get full text

Diffusion Tensor Imaging in Patients With Adult Chronic Idiopathic Hydrocephalus by Hattingen, Elke, Jurcoane, Alina, Melber, Julia, Blasel, Stella, Zanella, Friedhelm E., Neumann-Haefelin, Tobias, Singer, Oliver C.

“…Abstract OBJECTIVE Diffusion tensor imaging (DTI) parameters were investigated in patients with chronic idiopathic hydrocephalus to evaluate microstructural…”
Get full text

Attentional systems in target and distractor processing: a combined ERP and fMRI study by Bledowski, Christoph, Prvulovic, David, Goebel, Rainer, Zanella, Friedhelm E, Linden, David E.J

“…The interplay of “top-down” and “bottom-up” regulated mechanisms is of particular relevance for the rapid (re-)focusing of attention to environmental changes…”
Get full text

Spinal cord infarction: MR imaging and clinical features in 16 cases by WEIDAUER, Stefan, NICHTWEISS, Michael, LANFERMANN, Heinrich, ZANELLA, Friedhelm E

“…Spinal cord infarctions are rare and due to heterogeneous etiologies. The aim of the study was to analyze the MR imaging findings and evaluate their…”
Get full text

Myo-Inositol: a marker of reactive astrogliosis in glial tumors? by Hattingen, Elke, Raab, Peter, Franz, Kea, Zanella, Friedhelm E., Lanfermann, Heinrich, Pilatus, Ulrich

“…In a prospective study, two‐dimensional 1H‐MRS with TE of 30 ms was performed before surgery in 56 patients with glial brain tumors. Concentrations of…”
Get full text

Spectroscopic Characterization of Gliosarcomas-Do They Differ From Glioblastomas and Metastases? by Raab, Peter, Pilatus, Ulrich, Hattingen, Elke, Franz, Kea, Hermann, Elvis, Zanella, Friedhelm E, Lanfermann, Heinrich

“…To evaluate the spectroscopic pattern of gliosarcomas for differentiation from glioblastomas or metastases. H-nuclear magnetic resonance (NMR) spectroscopic…”
Get full text

Prognostic value of choline and creatine in WHO grade II gliomas by Hattingen, Elke, Raab, Peter, Franz, Kea, Lanfermann, Heiner, Setzer, Matthias, Gerlach, Rüdiger, Zanella, Friedhelm E., Pilatus, Ulrich

“…Introduction The purpose of this study was to evaluate whether proton magnetic resonance spectroscopy ( 1 H-MRS) predicts survival time, tumor progression, and…”
Get full text

Sustained extrastriate cortical activation without visual awareness revealed by fMRI studies of hemianopic patients by Goebel, Rainer, Muckli, Lars, Zanella, Friedhelm E, Singer, Wolf, Stoerig, Petra

“…Patients with lesions in the primary visual cortex (V1) may show processing of visual stimuli presented in their field of cortical blindness even when they…”
Get full text

Myoinositol as a Biomarker in Recurrent Glioblastoma Treated with Bevacizumab: A 1H-Magnetic Resonance Spectroscopy Study by Steidl, Eike, Pilatus, Ulrich, Hattingen, Elke, Steinbach, Joachim P, Zanella, Friedhelm, Ronellenfitsch, Michael W, Bähr, Oliver

“…Antiangiogenic treatment of glioblastomas with Bevacizumab lacks predictive markers. Myoinositol (MI) is an organic osmolyte, with intracellular concentration…”
Get full text

Perfusion-weighted MRI to evaluate cerebral autoregulation in aneurysmal subarachnoid haemorrhage by Hattingen, Elke, Blasel, Stella, Dettmann, Edgar, Vatter, Hartmut, Pilatus, Ulrich, Seifert, Volker, Zanella, Friedhelm E., Weidauer, Stefan

“…Introduction The aim of this study was to evaluate autoregulatory mechanisms in different vascular territories within the first week after aneurysmal…”
Get full text

Comparison of parallel acquisition techniques generalized autocalibrating partially parallel acquisitions (GRAPPA) and modified sensitivity encoding (mSENSE) in functional MRI (fMRI) at 3T by Preibisch, Christine, Wallenhorst, Tim, Heidemann, Robin, Zanella, Friedhelm E., Lanfermann, Heinrich

“…Purpose To evaluate the parallel acquisition techniques, generalized autocalibrating partially parallel acquisitions (GRAPPA) and modified sensitivity encoding…”
Get full text

The Functional Neuroanatomy of Target Detection: An fMRI Study of Visual and Auditory Oddball Tasks by Linden, David E.J., Prvulovic, David, Formisano, Elia, Völlinger, Martin, Zanella, Friedhelm E., Goebel, Rainer, Dierks, Thomas

“…The neuronal response patterns that are required for an adequate behavioural reaction to subjectively relevant changes in the environment are commonly studied…”
Get full text

Tracking the Mind's Image in the Brain I: Time-Resolved fMRI during Visuospatial Mental Imagery by Formisano, Elia, Linden, David E.J., Di Salle, Francesco, Trojano, Luigi, Esposito, Fabrizio, Sack, Alexander T., Grossi, Dario, Zanella, Friedhelm E., Goebel, Rainer

“…Mental imagery, the generation and manipulation of mental representations in the absence of sensory stimulation, is a core element of numerous cognitive…”
Get full text

T2′- and PASL-based perfusion mapping at 3 Tesla: influence of oxygen-ventilation on cerebral autoregulation by Wagner, Marlies, Magerkurth, Jörg, Volz, Steffen, Jurcoane, Alina, Singer, Oliver C., Neumann-Haefelin, Tobias, Zanella, Friedhelm E., Deichmann, Ralf, Hattingen, Elke

“…Purpose: To use T2′‐mapping together with Pulsed Arterial Spin Labeling (PASL) providing quantitative information of deoxygenation level and cerebral blood…”
Get full text

Time course in the development of cerebral vasospasm after experimental subarachnoid hemorrhage : Clinical and neuroradiological assessment of the rat double hemorrhage model by VATTER, Hartmut, WEIDAUER, Stefan, LAWTON, Michael T, MAX FINDLAY, J, KOMOTAR, Ricardo J, SANDER CONNOLLY, E, KONCZALLA, Juergen, DETTMANN, Edgar, ZIMMERMANN, Michael, RAABE, Andreas, PREIBISCH, Christine, ZANELLA, Friedhelm E, SEIFERT, Volker, LOCH MACDONALD, R

“…The "double hemorrhage" model in the rat is frequently used to simulate delayed cerebral vasospasm (CVS) after subarachnoid hemorrhage (SAH) in humans…”
Get full text

Conversion to dementia in mild cognitive impairment is associated with decline of N -actylaspartate and creatine as revealed by magnetic resonance spectroscopy by Pilatus, Ulrich, Lais, Christoph, Rochmont, Anna du Mesnil de, Kratzsch, Tillmann, Frölich, Lutz, Maurer, Konrad, Zanella, Friedhelm E, Lanfermann, Heinrich, Pantel, Johannes

“…Abstract The purpose of the present study was to longitudinally track changes of metabolite markers detectable by magnetic resonance spectroscopy (MRS) in…”
Get full text

Recurrent symptomatic high-grade intracranial stenoses: safety and efficacy of undersized stents--initial experience by de Rochemont, Richard du Mesnil, Turowski, Bernd, Buchkremer, Martin, Sitzer, Matthias, Zanella, Friedhelm E, Berkefeld, Joachim

“…To prospectively evaluate the safety and efficacy of undersized stents used in patients with high-grade intracranial stenosis and recurrent ischemic symptoms…”
Get more information

Quality control after cochlear implant surgery by means of rotational tomography by Aschendorff, Antje, Kubalek, Ralf, Turowski, Bernd, Zanella, Friedhelm, Hochmuth, Albrecht, Schumacher, Martin, Klenzner, Thomas, Laszig, Roland

“…To investigate the intracochlear electrode position in using rotational tomography in adult cochlear implant patients. Retrospective. Tertiary referral center…”
Get full text

Wernicke encephalopathy: MR findings and clinical presentation by Weidauer, Stefan, Nichtweiss, Michael, Lanfermann, Heinrich, Zanella, Friedhelm E

“…Wernicke encephalopathy (WE) is a severe neurological disorder caused by vitamin B1 deficiency. The aim of the study was to analyse MRI findings typical for…”
Get full text