CT perfusion for confirmation of brain death

JJS Shankar, R Vandorpe - American Journal of …, 2013 - Am Soc Neuroradiology
For pronouncing brain death, unlike CTP, the 2-phase CTA gives no functional information
and is limited by inadvertent delay of the second acquisition, which may give false-negative …

An MRI study of basal ganglia volumes in first-episode schizophrenia patients treated with risperidone

DJ Lang, LC Kopala, RA Vandorpe… - American Journal of …, 2001 - Am Psychiatric Assoc
OBJECTIVE: The basal ganglia may contribute to extrapyramidal movement disorders,
affective disturbances, and cognitive deficits in schizophrenia. Basal ganglia volumes are …

Gradients of detection in neglect: comparison of peripersonal and extrapersonal space

BC Butler, GA Eskes, RA Vandorpe - Neuropsychologia, 2004 - Elsevier
Previous studies of target-cancellation performance in visuospatial neglect patients have
reported lateral (left–right) and radial (near–far) gradients of attentional ability. The purpose …

Assessment of discrepancies between follow-up infarct volume and 90-day outcomes among patients with ischemic stroke who received endovascular therapy

…, JJS Shankar, WJ Maloney, R Vandorpe… - JAMA network …, 2021 - jamanetwork.com
Importance Some patients have poor outcomes despite small infarcts after endovascular
therapy (EVT), while others with large infarcts do well. Understanding why these …

Reduced basal ganglia volumes after switching to olanzapine in chronically treated patients with schizophrenia

DJ Lang, LC Kopala, RA Vandorpe… - American Journal of …, 2004 - Am Psychiatric Assoc
OBJECTIVE: A follow-up study of patients with schizophrenia was conducted to examine
change in striatal volumes and extrapyramidal symptoms after a change in medication …

Evaluation of common structural brain changes in aging and Alzheimer disease with the use of an MRI-based brain atrophy and lesion index: a comparison between …

H Guo, X Song, R Vandorpe, Y Zhang… - American journal …, 2014 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The Brain Atrophy and Lesion Index combines several
common, aging-related structural brain changes and has been validated for high-field MR …

Neuroanatomy of coprolalia in Tourette syndrome using functional magnetic resonance imaging

…, A Stokes, R Somorjai, M Jarmasz, R Vandorpe… - Progress in Neuro …, 2004 - Elsevier
Objective: To determine the neural substrates of phonic tics in Tourette syndrome (TS) using
functional magnetic resonance imaging (fMRI) and compare with a proposed tic-generating …

Endovascular treatment of a “blister-like” aneurysm of the internal carotid artery

PD McNeely, DB Clarke, B Baxter… - Canadian journal of …, 2000 - cambridge.org
Backgound:“Blister-like” aneurysms of the supraclinoid internal carotid artery have recently
been recognized as having unique pathological and clinical features. Little is known …

Reduced anterior internal capsule and thalamic volumes in first-episode psychosis

DJ Lang, B Khorram, VM Goghari, LC Kopala… - Schizophrenia …, 2006 - Elsevier
BACKGROUND: The thalamus is the gateway for sensory and motor information en route to
the cortex. Information is processed via thalamocortical and corticothalamic pathways …

A longitudinal study on the effects of typical versus atypical antipsychotic drugs on hippocampal volume in schizophrenia

WJ Panenka, B Khorram, AM Barr, GN Smith… - Schizophrenia …, 2007 - Elsevier
BACKGROUND: Previous studies have reported that hippocampal volumes correlate with
symptom severity in schizophrenia. This longitudinal study measured changes in symptoms …