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Quantitative CTA vascular calcification, atherosclerosis burden, and stroke mechanism in patients with ischemic stroke
Vascular calcification is recognized as the advanced stage of atherosclerosis burden. We hypothesized that vascular calcium quantification in CT angiography (CTA) would be helpful to differentiate large artery atherosclerosis (LAA) from other stroke etiology in patients with ischemic stroke.
Source: Journal of the Neurological Sciences - April 28, 2023 Category: Neurology Authors: Takashi Shimoyama, Sibaji Gaj, Kunio Nakamura, Shivakrishna Kovi, Shumei Man, Ken Uchino Source Type: research

Color-coded multiphase computed tomography angiography may predict outcome in anterior circulation acute ischemic stroke
To evaluate whether arterial and venous color-coded mCTA score may predict clinical outcome in anterior circulation acute ischemic stroke.
Source: Journal of the Neurological Sciences - September 15, 2021 Category: Neurology Authors: Fabio Pilato, Tommaso Verdolotti, Rosalinda Calandrelli, Iacopo Valente, Edoardo Monelli, Simone Cottonaro, Fioravante Capone, Francesco Motolese, Gianmarco Iaccarino, Sergio Soeren Rossi, Cesare Colosimo, Vincenzo Di Lazzaro Source Type: research

Interfacility transfer for mechanical thrombectomy – Direct to neuroangiography or CT angiography first?
Faster time to mechanical thrombectomy (MT) improves outcome in stroke. In patients from other hospitals where a CT has ruled-out hemorrhage, transfer direct-to-angiography (DTA) may reduce door-to-groin time compared to transfer to CT angiography (CTA)+/ −repeat CT first. However, this may result in unnecessary catheter angiography. We sought to determine how often CTA+/−CT changed the decision to proceed to MT.
Source: Journal of the Neurological Sciences - October 14, 2019 Category: Neurology Authors: Kelley Humbert, Michele Sellers, Elizabeth Neuhaus-Booth, Steven R. Messe, Bryan Pukenas, Brett Cucchiara Source Type: research

Gadolinium enhancement in perforating arteries in a patient with varicella zoster virus vasculopathy: A case report
A 35-year-old man was admitted to our hospital because of right hemiparesis. His initial National Institutes of Health Stroke Scale score was 8. He had a 1-week history of fever and headache that had occurred approximately 1  month prior to admission. Diffusion-weighted imaging on admission showed hyperintensities in the left putamen and corona radiata (Supplementary Fig. 1). There were no atherosclerotic changes or findings suggesting intracranial arterial dissection or carotid artery disease on magnetic resonance (M R) angiography.
Source: Journal of the Neurological Sciences - June 13, 2019 Category: Neurology Authors: Yoshitaka Yamaguchi, Kozue Morioka, Hikaru Nagasawa, Manabu Wada Tags: Letter to the Editor Source Type: research

High intensity signal in the plaque on routine 3D-TOF MRA is associated with ischemic stroke in the patients with low-grade carotid stenosis
Carotid artery stenosis is one of the major causes of ischemic strokes. However, degree of stenosis is not always correlated with frequency of ischemic strokes. The aim of this study was to evaluate relationships between high intensity signal (HIS) in the carotid plaques on maximum intensity projection (MIP) images detected by routine three-dimensional time-of-flight magnetic resonance angiography (3D-TOF MRA) and ischemic strokes in the patients with low-grade stenosis.
Source: Journal of the Neurological Sciences - December 19, 2017 Category: Neurology Authors: Kiyofumi Yamada, Shinichi Yoshimura, Manabu Shirakawa, Kazutaka Uchida, Fumiaki Maruyama, Shigehiro Nakahara, Shuji Nishida, Yasuhiro Iwamoto, Yoshikazu Sato, Masanori Kawasaki Source Type: research

SMART syndrome with cerebral angiographic abnormalities - A case report
Black et al. first used the terminology ‘stroke-like migraine attacks after radiation therapy (SMART) syndrome’ and proposed diagnostic criteria in 2006 [1]. Proposed diagnostic criteria are remote history of cerebral radiotherapy, prolonged but reversible signs and symptoms referable to a unilateral cortical region and nearly reversi ble diffuse gyral and leptomeningeal enhancement within the symptomatic area [2]. However, these criteria do not include angiographic features. To the best of our knowledge, our case is the first report to show vascular change by means of digital subtraction angiography.
Source: Journal of the Neurological Sciences - August 22, 2017 Category: Neurology Authors: Ji-Hyung Park, Moo-seok Park, Gyeong-Moon Kim Tags: Letter to the Editor Source Type: research

Delayed leukoencephalopathy after recanalized cardioembolic stroke: Two case reports
A 66-year-old man with a history of hypertension, dyslipidemia, diabetes mellitus, and myocardial infarction was admitted to our hospital due to sudden somnolence, global aphasia, right spatial neglect, and right hemiparesis. Diffusion weighted images (DWI) revealed no hyperintense lesions (Fig. 1A, B). Magnetic resonance angiography (MRA) demonstrated an occlusion of the left middle cerebral artery (MCA). The patient was treated with intravenous tissue plasminogen activator and endovascular therapy using the Penumbra ™ 3MAX and 5MAX ACE catheters, leading to successful recanalization of the MCA 287min after symptom onse...
Source: Journal of the Neurological Sciences - May 25, 2017 Category: Neurology Authors: Takaomi Singu, Yuichiro Inatomi, Toshiro Yonehara, Yukio Ando Tags: Letter to the Editor Source Type: research

Superior binasal quadrantanopsia due to acute ischemic stroke
A 76-year-old woman was admitted due to acute ischemic stroke. She complained of a visual field defect and left hemiplegia. Fluid-attenuated inversion recovery and T2-weighted images showed hyperintensities in the right cerebral peduncle corresponding to the right posterior choroidal artery and suspected bilateral part of thalamotuberal artery region. Magnetic resonance angiography (MRA) revealed occlusions of bilateral posterior cerebral arteries (PCAs), and left vertebral artery (VA) (Fig. 1).
Source: Journal of the Neurological Sciences - July 21, 2016 Category: Neurology Authors: Arata Abe, Yuki Sakamoto, Akane Nogami, Koichiro Nagai, Shiro Takahashi, Madoka Kajio, Chikako Nito, Kazumi Kimura Tags: Letter to the editor Source Type: research

Symptomatogenic acute cervical artery dissection following dental procedure – Case series
Cervical artery dissection (CAD) is an important cause of ischemic stroke which may occur following minor traumatic neck manipulations or hyperextension. This paper describes four cases of CAD secondary to dental procedures.Cases.four patients were admitted to the neurology department due to various neurological deficits, which developed subsequently to dental procedure. CT angiography demonstrated CAD in all patients. No predisposing background disease or other neck manipulations were found.
Source: Journal of the Neurological Sciences - July 8, 2016 Category: Neurology Authors: J.A. Molad, M. Findler, N.M. Bornstein, E. Auriel Tags: Clinical Short Communication Source Type: research

Thrombolysis for acute stroke in patient with systemic lupus erythematosus: A case report
We present a case of 40-year-old woman with an acute stroke who received rt-PA. Magnetic resonance imaging (MRI) revealed a large ischemic stroke in right hemisphere and a magnetic resonance angiography (MRA) revealed signs of vasculitis.
Source: Journal of the Neurological Sciences - December 9, 2015 Category: Neurology Authors: Maja Rubinić Majdak, Vladimira Vuletić Source Type: research

Basilar artery bending length, vascular risk factors, and pontine infarction
In this study, pontine infarction patients were analyzed to assess the effect of BA bending length (BL) together with other vascular factors on pontine stroke risk.Methods: Acute pontine infarction patients were divided into BA bending and non-BA bending groups by magnetic resonance angiography (MRA). Patients with BA bending who reported symptoms of dizziness or vertigo but who had not suffered brain infarction constituted the control group. The diameter of the vertebral artery (VA) and BL were measured using MRA. Based on the bilateral VA diameter data in vertebral artery-dominant (VAD) patients, the study participants w...
Source: Journal of the Neurological Sciences - February 18, 2014 Category: Neurology Authors: Dao-pei Zhang, Shu-ling Zhang, Jie-wen Zhang, Hong-tao Zhang, Sheng-qi Fu, Meng Yu, Ya-fang Ren, Peng Ji Tags: Original Articles Source Type: research

Varicella-zoster virus vasculopathy. A review description of a new case with multifocal brain hemorrhage
We report on a review of the published literature that included all case reports identified via PubMed and an additional unpublished case of VZV vasculopathy. All epidemiological, clinical, laboratory, imaging, virologic, treatment and outcome data collected are described.Results: Of the 62 patients, 41.6% were immunocompromised. Ischemic stroke occurred in 77.2% of the patients, comprising cases of isolated (37.1%) and multifocal stroke (17.7%). Multifocal, ischemic and hemorrhagic stroke was only described in the newly reported case. The magnetic resonance imaging results were normal in 2.9% of the cases. The vascular st...
Source: Journal of the Neurological Sciences - January 23, 2014 Category: Neurology Authors: Inés González-Suárez, Blanca Fuentes-Gimeno, Gerardo Ruiz-Ares, Patricia Martínez-Sánchez, Exuperio Diez-Tejedor Tags: Reviews Source Type: research

Post-intervention TCD examination may be useful to predict outcome in acute ischemic stroke patients with successful intra-arterial intervention
Conclusion: Follow-up TCD examination after IA intervention in acute stroke patients may predict poor outcome beyond angiographic residual TIMI flow.
Source: Journal of the Neurological Sciences - August 15, 2013 Category: Neurology Authors: Junya Aoki, Larry N. Raber, Irene L. Katzan, Muhammad Shazam Hussain, Ferdinand K. Hui, Ken Uchino Tags: Original Articles Source Type: research