Isolated demyelinating syndromes: comparison of different MR imaging criteria to predict conversion to clinically definite multiple sclerosis

…, L Brieva, C Borrás, E Grivé… - American Journal …, 2000 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Various authors have developed criteria to classify MR
imaging findings that suggest the possibility of multiple sclerosis. The purpose of this study was …

Prediction of early neurological deterioration using diffusion-and perfusion-weighted imaging in hyperacute middle cerebral artery ischemic stroke

JF Arenillas, Á Rovira, CA Molina, E Grivé, J Montaner… - Stroke, 2002 - Am Heart Assoc
Background and Purpose— Early neurological deterioration (END) occurs in approximately
one third of all ischemic stroke patients and is associated with a poor outcome. Our study …

Distribution territories and causative mechanisms of ischemic stroke

A Rovira, E Grivé, A Rovira, J Alvarez-Sabin - European radiology, 2005 - Springer
Ischemic stroke prognosis, risk of recurrence, clinical assessment, and treatment decisions
are influenced by stroke subtype (anatomic distribution and causative mechanism of infarction…

Hyperacute ischemic stroke: middle cerebral artery susceptibility sign at echo-planar gradient-echo MR imaging

…, J Alvarez-Sabín, JF Arenillas, X Aymerich, E Grivé… - Radiology, 2004 - pubs.rsna.org
PURPOSE: To evaluate the accuracy of echo-planar T2*-weighted magnetic resonance (MR)
sequences in detection of acute middle cerebral artery (MCA) or internal carotid artery (ICA…

Diffusion-weighted MR imaging in the acute phase of transient ischemic attacks

…, A Rovira-Gols, S Pedraza, E Grivé… - American journal …, 2002 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Radiologic assessment of acute transient ischemic attacks
(TIAs) has been handicapped by the low sensitivity of CT and conventional MR imaging for …

Safety and efficacy of intravenous tissue plasminogen activator stroke treatment in the 3-to 6-hour window using multimodal transcranial Doppler/MRI selection …

…, A Rovira, M Quintana, P Delgado, J Montaner, E Grivé… - Stroke, 2005 - Am Heart Assoc
Background— Growing data point toward intravenous tissue plasminogen activator (tPA)
benefit after 3 hours in selected stroke patients. We aim to study safety and efficacy of tPA …

Lack of evidence for arterial ischemia in transient global amnesia

M Toledo, F Pujadas, E Grivé, J Alvarez-Sabin… - Stroke, 2008 - Am Heart Assoc
Background and Purpose— Lesions in diffusion-weighted imaging (DWI-L) have been
commonly described in transient global amnesia (TGA). We investigated a possible relationship …

Magnetic resonance anatomic study of iliocava junction and left iliac vein positions related to L5–S1 disc

J Capellades, F Pellisé, A Rovira, E Grivé, S Pedraza… - Spine, 2000 - journals.lww.com
Study Design. An in vivo anatomic study analyzing the venous anatomy in the lumbosacral
area was performed. Objectives. To obtain in vivo data concerning iliocava junction and left …

Magnetization transfer ratio values and proton MR spectroscopy of normal-appearing cerebral white matter in patients with liver cirrhosis

A Rovira, E Grivé, S Pedraza… - American journal of …, 2001 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Hepatic encephalopathy in cirrhotic patients may be the
clinical manifestation of disturbed cerebral cell volume homeostasis. The aim of this study was …

Serial diffusion-weighted MR imaging and proton MR spectroscopy of acute large demyelinating brain lesions: case report

…, I Pericot, J Alonso, J Rio, E Grivé… - American Journal …, 2002 - Am Soc Neuroradiology
We present the serial MR studies of two patients with symptomatic acute large demyelinating
lesions that initially showed a drop in apparent diffusion coefficient values. Baseline proton …