Search Results - "Ropele, S."

Microstructural Tissue Changes in Alzheimer Disease Brains: Insights from Magnetization Transfer Imaging by Colonna, I, Koini, M, Pirpamer, L, Damulina, A, Hofer, E, Schwingenschuh, P, Enzinger, C, Schmidt, R, Ropele, S

“…Reductions in magnetization transfer ratio have been associated with brain microstructural damage. We aim to compare magnetization transfer ratio in global and…”
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Quantitative Susceptibility Mapping to Assess Cerebral Vascular Compliance by Birkl, C, Langkammer, C, Sati, P, Enzinger, C, Fazekas, F, Ropele, S

“…This study explored whether autoregulatory shifts in cerebral blood volume induce susceptibility changes large enough to be depicted by quantitative…”
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Risk factors for progression of brain atrophy in aging : Six-year follow-up of normal subjects by ENZINGER, C, FAZEKAS, F, MATTHEWS, P. M, ROPELE, S, SCHMIDT, H, SMITH, S, SCHMIDT, R

“…To determine the rate of brain atrophy in neurologically asymptomatic elderly and to investigate the impact of baseline variables including conventional…”
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Determinants of brain iron in multiple sclerosis: A quantitative 3T MRI study by KHALIL, M, LANGKAMMER, C, FUCHS, S, FAZEKAS, F, ROPELE, S, PETROVIC, K, WALLNER-BLAZEK, M, LOITFELDER, M, JEHNA, M, BACHMAIER, G, SCHMIDT, R, ENZINGER, C

“…Abnormal high cerebral iron deposition may be implicated in chronic neurologic disorders, including multiple sclerosis (MS). R2* relaxometry has been recently…”
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Facing privacy in neuroimaging: removing facial features degrades performance of image analysis methods by de Sitter, A., Visser, M., Brouwer, I., Cover, K. S., van Schijndel, R. A., Eijgelaar, R. S., Müller, D. M. J., Ropele, S., Kappos, L., Rovira, Á., Filippi, M., Enzinger, C., Frederiksen, J., Ciccarelli, O., Guttmann, C. R. G., Wattjes, M. P., Witte, M. G., de Witt Hamer, P. C., Barkhof, F., Vrenken, H.

“…Background Recent studies have created awareness that facial features can be reconstructed from high-resolution MRI. Therefore, data sharing in neuroimaging…”
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Baseline white matter hyperintensities affect the course of cognitive function after small vessel disease‐related stroke: a prospective observational study by Fruhwirth, V., Enzinger, C., Fandler‐Höfler, S., Kneihsl, M., Eppinger, S., Ropele, S., Schmidt, R., Gattringer, T., Pinter, D.

“…Background and purpose Cognitive impairment is a common sequel of recent small subcortical infarction (RSSI) and might be negatively affected by preexisting…”
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The spatial distribution of age-related white matter changes as a function of vascular risk factors—Results from the LADIS study by Rostrup, E., Gouw, A.A., Vrenken, H., van Straaten, E.C.W., Ropele, S., Pantoni, L., Inzitari, D., Barkhof, F., Waldemar, G.

“…White matter hyperintensities (WMH) are a frequent finding on brain MRI of elderly subjects, and have been associated with various risk factors, as well as…”
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Lesion probability mapping to explain clinical deficits and cognitive performance in multiple sclerosis by Kincses, ZT, Ropele, S, Jenkinson, M, Khalil, M, Petrovic, K, Loitfelder, M, Langkammer, C, Aspeck, E, Wallner-Blazek, M, Fuchs, S, Jehna, M, Schmidt, R, Vécsei, L, Fazekas, F, Enzinger, C

“…Background: Lesion dissemination in time and space represents a key feature and diagnostic marker of multiple sclerosis (MS). The correlation between magnetic…”
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Quantitative assessment of brain iron by R 2 relaxometry in patients with clinically isolated syndrome and relapsing–remitting multiple sclerosis by Khalil, M, Enzinger, C, Langkammer, C, Tscherner, M, Wallner-Blazek, M, Jehna, M, Ropele, S, Fuchs, S, Fazekas, F

“…Background Increased iron deposition has been implicated in the pathophysiology of multiple sclerosis (MS), based on visual analysis of signal reduction on T 2…”
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Quantitative assessment of brain iron by R2 relaxometry in patients with clinically isolated syndrome and relapsing–remitting multiple sclerosis by Khalil, M, Enzinger, C, Langkammer, C, Tscherner, M, Wallner-Blazek, M, Jehna, M, Ropele, S, Fuchs, S, Fazekas, F

“…Background Increased iron deposition has been implicated in the pathophysiology of multiple sclerosis (MS), based on visual analysis of signal reduction on…”
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Regional cortical thinning in multiple sclerosis and its relation with cognitive impairment: A multicenter study by Tillema, JM, Hulst, HE, Rocca, MA, Vrenken, H, Steenwijk, MD, Damjanovic, D, Enzinger, C, Ropele, S, Tedeschi, G, Gallo, A, Ciccarelli, O, Rovira, A, Montalban, X, de Stefano, N, Stromillo, ML, Filippi, M, Barkhof, F

“…Objectives: The objectives of this paper are to compare in a multicenter setting patterns of regional cortical thickness in patients with relapsing–remitting…”
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Reorganization in cognitive networks with progression of multiple sclerosis: Insights from fMRI by LOITFELDER, M, FAZEKAS, F, NEUPER, C, ENZINGER, C, PETROVIC, K, FUCHS, S, ROPELE, S, WALLNER-BLAZEK, M, JEHNA, M, ASPECK, E, KHALIL, M, SCHMIDT, R

“…Cognitive dysfunction (CD) is frequent in multiple sclerosis (MS) and can occur at early stages. Whereas functional reorganization with disease progression has…”
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CSF neurofilament and N-acetylaspartate related brain changes in clinically isolated syndrome by Khalil, M, Enzinger, C, Langkammer, C, Ropele, S, Mader, A, Trentini, A, Vane, MLG, Wallner-Blazek, M, Bachmaier, G, Archelos, J-J, Koel-Simmelink, MJA, Blankenstein, MA, Fuchs, S, Fazekas, F, Teunissen, CE

“…Background: Axonal damage is considered a major cause of disability in multiple sclerosis (MS) and may start early in the disease. Specific biomarkers for this…”
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Fast bound pool fraction mapping using stimulated echoes by Soellinger, M., Langkammer, C., Seifert-Held, T., Fazekas, F., Ropele, S.

“…Magnetization transfer imaging advanced to an indispensible tool for investigating white matter changes. Quantitative magnetization transfer imaging methods…”
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Cerebrospinal fluid lipocalin 2 in patients with clinically isolated syndromes and early multiple sclerosis by Khalil, M, Renner, A, Langkammer, C, Enzinger, C, Ropele, S, Stojakovic, T, Scharnagl, H, Bachmaier, G, Pichler, A, Archelos, JJ, Fuchs, S, Seifert-Held, T, Fazekas, F

“…Background: Lipocalin 2 (LCN2) may be involved in the immunopathogenesis of multiple sclerosis (MS) and might further impact on iron homoeostasis. Brain iron…”
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Combined analysis of global and compartmental brain volume changes in early multiple sclerosis in clinical practice by Pichler, A, Khalil, M, Langkammer, C, Pinter, D, Bachmaier, G, Ropele, S, Fuchs, S, Enzinger, C, Fazekas, F

“…Background: The extent and clinical significance of brain volume changes in different phases of multiple sclerosis (MS) is still under discussion. Objective:…”
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Lower Magnetization Transfer Ratio in the Forceps Minor Is Associated with Poorer Gait Velocity in Older Adults by Seiler, S, Pirpamer, L, Gesierich, B, Hofer, E, Duering, M, Pinter, D, Jouvent, E, Fazekas, F, Mangin, J-F, Chabriat, H, Ropele, S, Schmidt, R

“…Gait disturbances in the elderly are disabling and a major public health issue but are poorly understood. In this multimodal MR imaging study, we used 2…”
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The functional correlates of face perception and recognition of emotional facial expressions as evidenced by fMRI by Jehna, M, Neuper, C, Ischebeck, A, Loitfelder, M, Ropele, S, Langkammer, C, Ebner, F, Fuchs, S, Schmidt, R, Fazekas, F, Enzinger, C

“…Abstract Recognition and processing of emotional facial expression are crucial for social behavior and employ higher-order cognitive and visual working…”
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Cognitive impairment in relation to MRI metrics in patients with clinically isolated syndrome by Khalil, M, Enzinger, C, Langkammer, C, Petrovic, K, Loitfelder, M, Tscherner, M, Jehna, M, Bachmaier, G, Wallner-Blazek, M, Ropele, S, Schmidt, R, Fuchs, S, Fazekas, F

“…Background: Cognitive deficits are frequent in multiple sclerosis (MS) and have been associated with morphologic brain changes. Less information exists on…”
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A Semiautomatic Method for Multiple Sclerosis Lesion Segmentation on Dual-Echo MR Imaging: Application in a Multicenter Context by Storelli, L, Pagani, E, Rocca, M A, Horsfield, M A, Gallo, A, Bisecco, A, Battaglini, M, De Stefano, N, Vrenken, H, Thomas, D L, Mancini, L, Ropele, S, Enzinger, C, Preziosa, P, Filippi, M

“…The automatic segmentation of MS lesions could reduce time required for image processing together with inter- and intraoperator variability for research and…”
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