journal

Current Opinion in Neurology

journal
https://read.qxmd.com/read/31815778/focal-cerebral-arteriopathy-and-childhood-stroke
#1
Nicola D Fearn, Mark T Mackay
PURPOSE OF REVIEW: Focal cerebral arteriopathy (FCA) is one of the most common causes of arterial ischaemic stroke in a previously healthy child. Distinguishing between different subtypes of arteriopathy is challenging and has significant management implications. RECENT FINDINGS: Recent studies have helped to define the subtypes of focal cerebral arteriopathies and improved understanding of their clinical and radiological features. In addition, they have reported new evidence for the association between viral infection and inflammation in the pathogenesis of FCA and proposed new radiological, serum and cerebrospinal fluid biomarkers to guide diagnosis and management...
December 6, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31809336/advances-in-understanding-causes-and-outcomes-in-stroke
#2
Mitchell S V Elkind
No abstract text is available yet for this article.
December 5, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31809335/atrial-fibrillation-and-stroke-how-much-atrial-fibrillation-is-enough-to-cause-a-stroke
#3
Jeff S Healey, Guy Amit, Thalia S Field
PURPOSE OF REVIEW: The association between atrial fibrillation and stroke is firmly established, and anticoagulation reduces stroke risk in patients with atrial fibrillation. However, the role of anticoagulation in very brief durations of atrial fibrillation (subclinical atrial fibrillation) is an area of controversy. RECENT FINDINGS: Stroke risk increases alongside burden of atrial fibrillation. Ongoing trials will clarify if 24 h or less of atrial fibrillation on extended monitoring necessitates lifelong anticoagulation...
December 5, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31809334/current-opinion-neurology-visual-pathway-biomarkers-in-alzheimer-s-disease
#4
Gregory P Van Stavern
PURPOSE OF REVIEW: The incidence of Alzheimer's disease is increasing. Premortem diagnosis of Alzheimer's disease is now possible but require invasive and expensive testing such as PET amyloid beta binding and/or spinal fluid amyloid beta levels. There is a great need for minimally invasive and inexpensive biomarkers to allow for early diagnosis and intervention. RECENT FINDINGS: There has been a large volume of literature assessing ocular biomarkers for Alzheimer's disease...
December 5, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31809333/rna-expression-studies-in-stroke-what-can-they-tell-us-about-stroke-mechanism
#5
Sarina Falcione, Joseph Kamtchum, Gina Sykes, Glen Jickling
PURPOSE OF REVIEW: Diagnosis of stroke and understanding the mechanism of stroke is critical to implement optimal treatment. RNA expressed in peripheral blood cells is emerging as a precision biomarker to aid in stroke diagnosis and prediction of stroke cause. In this review, we summarize available data regarding the role of RNA to predict stroke, the rationale for these changes, and a discussion of novel mechanistic insight and clinical applications. RECENT FINDINGS: Differences in RNA gene expression in blood have been identified in patients with stroke, including differences to distinguish ischemic from hemorrhagic stroke, and differences between cardioembolic, large vessel atherosclerotic, and small vessel lacunar stroke cause...
December 5, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31809332/sleep-apnea-and-stroke
#6
Mollie McDermott, Devin L Brown
PURPOSE OF REVIEW: Stroke and sleep apnea are highly prevalent conditions with a physiologically plausible bidirectional relationship. This review addresses prestroke sleep apnea, wake-up stroke and sleep apnea, and poststroke sleep apnea, with an attempt to highlight research published in the last 18 months. RECENT FINDINGS: Sleep apnea is highly prevalent poststroke. Poststroke sleep apnea is associated with worse poststroke functional and cognitive outcomes and a higher risk of recurrent stroke...
December 5, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31809331/neuro-protection-and-neuro-regeneration-of-the-optic-nerve-recent-advances-and-future-directions
#7
Kimberly K Gokoffski, Micalla Peng, Basheer Alas, Phillip Lam
PURPOSE OF REVIEW: Optic neuropathies refer to a collection of diseases in which retinal ganglion cells (RGCs), the specialized neuron of the retina whose axons make up the optic nerve, are selectively damaged. Blindness secondary to optic neuropathies is irreversible as RGCs do not have the capacity for self-renewal and have a limited capacity for self-repair. Numerous strategies are being developed to either prevent further RGC degeneration or replace the cells that have degenerated...
December 5, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789709/patent-foramen-ovale-and-stroke-current-evidence-and-treatment-options
#8
Christopher G Favilla, Steven R Messé
PURPOSE OF REVIEW: Recent data have changed the landscape of patent foramen ovale (PFO) closure for secondary stroke prevention. This review synthesizes the data and provides a framework for optimal management of stroke patients with PFO. RECENT FINDINGS: The cumulative evidence indicates that PFO closure reduces the risk of recurrent stroke in carefully selected young cryptogenic stroke patients, with an annualized risk reduction of ∼0.6%. The benefit of PFO closure is particularly evident in patients with embolic appearing strokes, large right-to-left shunt, or an associated atrial septal aneurysm...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789708/spaceflight-associated-neuro-ocular-syndrome
#9
Peter Wojcik, Ashwini Kini, Bayan Al Othman, Laura A Galdamez, Andrew G Lee
PURPOSE OF REVIEW: Several decades of long duration space flight missions by the National Aeronautics and Space Administration has revealed an interesting and unique constellation of neuro-ophthalmic findings now called spaceflight associated neuro-ocular syndrome (SANS). The unique space environment of microgravity produces novel physiological changes and derangements that present a challenge to astronauts in current and future long duration space missions. Although the precise mechanism of SANS is not fully understood, in this review, we examine recent developments that may to help explain possible causes and potential countermeasures...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789707/immunological-mechanisms-in-poststroke-dementia
#10
Kristian P Doyle, Marion S Buckwalter
PURPOSE OF REVIEW: To review new evidence on links between poststroke dementia and inflammation. RECENT FINDINGS: Although there are still no treatments for poststroke dementia, recent evidence has improved our understanding that stroke increases the risk of incident dementia and worsens cognitive trajectory for at least a decade afterwards. Within approximately the first year dementia onset is associated with stroke severity and location, whereas later absolute risk is associated with more traditional dementia risk factors, such as age and imaging findings...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789706/cerebellar-ataxias-an-update
#11
Mario Manto, Jordi Gandini, Katharina Feil, Michael Strupp
PURPOSE OF REVIEW: Providing an update on the pathophysiology, cause, diagnosis and treatment of cerebellar ataxias. This is a group of sporadic or inherited disorders with heterogeneous clinical presentation and notorious impact on activities of daily life in many cases. Patients may exhibit a pure cerebellar phenotype or various combinations of cerebellar deficits and extracerebellar deficits affecting the central/peripheral nervous system. Relevant animal models have paved the way for rationale therapies of numerous disorders affecting the cerebellum...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789705/ocular-myasthenia-gravis-updates-on-an-elusive-target
#12
Andrew T Melson, Collin M McClelland, Michael S Lee
PURPOSE OF REVIEW: Ocular myasthenia gravis (OMG) is a complex condition with heterogenous phenotypes and ill-defined diagnostic criteria. Understanding concomitant risk factors and autoimmune serology can help inform prognosis for generalization and guide treatment. RECENT FINDINGS: Although antibodies to acetylcholine receptors or muscle-specific kinase likely increase risk of generalization, they are less frequent in OMG. Patients without either antibody tend to have a milder disease process and often have variable antibodies to other end-plate proteins such as LRP4, agrin, or cortactin...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789704/differential-diagnosis-of-acute-vascular-vertigo
#13
Seung-Han Lee, Ji-Soo Kim
PURPOSE OF REVIEW: The current review covers recent advances in vascular vertigo in terms of diagnostic strategies, clinical/laboratory features, pathophysiology, and differential diagnosis. RECENT FINDINGS: Acute strokes presenting with isolated dizziness/vertigo without other obvious symptoms or signs of central nervous system involvements may be easily mistaken as peripheral vestibulopathy. For correct diagnosis of vascular vertigo, the importance of clinical history (timing and triggers) and targeted bedside examination cannot be overemphasized...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789703/retinal-vessel-changes-in-cerebrovascular-disease
#14
Oana M Dumitrascu, Maya Koronyo-Hamaoui
PURPOSE OF REVIEW: The retina is growingly recognized as a window into cerebrovascular and systemic vascular conditions. The utility of noninvasive retinal vessel biomarkers in cerebrovascular risk assessment has expanded due to advances in retinal imaging techniques and machine learning-based digital analysis. The purpose of this review is to underscore the latest evidence linking retinal vascular abnormalities with stroke and vascular-related cognitive disorders; to highlight modern developments in retinal vascular imaging modalities and software-based vasculopathy quantification...
November 27, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789676/artificial-intelligence-for-detection-of-optic-disc-abnormalities
#15
Dan Milea, Shweta Singhal, Raymond P Najjar
PURPOSE OF REVIEW: The aim of this review is to highlight novel artificial intelligence-based methods for the detection of optic disc abnormalities, with particular focus on neurology and neuro-ophthalmology. RECENT FINDINGS: Methods for detection of optic disc abnormalities on retinal fundus images have evolved considerably over the last few years, from classical ophthalmoscopy to artificial intelligence-based identification methods being applied to retinal imaging with the aim of predicting sight and life-threatening complications of underlying brain or optic nerve conditions...
November 26, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31789675/physiology-clinical-evidence-and-diagnostic-relevance-of-sound-induced-and-vibration-induced-vestibular-stimulation
#16
Ian S Curthoys, Julia Dlugaiczyk
PURPOSE OF REVIEW: To examine the recent literature concerning the neural basis and clinical evidence for the response of the labyrinth to sound and vibration: vestibular-evoked myogenic potentials (VEMPs) and vibration-induced nystagmus (VIN). RECENT FINDINGS: There are two streams of information from each otolith - a sustained stream (afferents with regular resting activity, signalling gravity and low-frequency linear accelerations) and a transient stream (afferents with irregular resting activity) signalling onset of linear acceleration, and sound and vibration...
November 26, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31770124/eye-movements-in-demyelinating-autoimmune-and-metabolic-disorders
#17
Jorge C Kattah, David S Zee
PURPOSE OF REVIEW: In the last three decades, the use of eye movements and vestibular testing in many neurological disorders has accelerated, primarily because of practical technologic developments. Although the acute vestibular syndrome is a prime example of this progress, more chronic neurologic and systemic disorders have received less attention. We focus here on recent contributions relating vestibular and ocular motor abnormalities in inflammatory, demyelinating, metabolic, and peripheral nervous system disorders RECENT FINDINGS: Vestibular abnormalities have been identified in acute demyelinating neuropathies (AIDP), in novel genetic mutations responsible for CANVAS (cerebellar ataxia, neuropathy vestibular areflexia syndrome), and in other inherited neuropathies (variants of Charcot-Marie-Tooth disease)...
November 19, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31743237/-excess-anxiety-and-less-anxiety-both-depend-on-vestibular-function
#18
Thomas Brandt, Marianne Dieterich
PURPOSE OF REVIEW: To present evidence of a functional interrelation between the vestibular and the anxiety systems based on a complex reciprocally organized network. The review focuses on the differential effects of various vestibular disorders, on psychiatric comorbidity, and on anxiety related to vertigo. RECENT FINDINGS: Episodic vertigo syndromes such as vestibular migraine, vestibular paroxysmia, and Menière's disease are associated with a significant increase of psychiatric comorbidity, in particular anxiety/phobic disorders and depression...
November 16, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31743236/vertigo-and-dizziness-in-the-emergency-room
#19
Andreas Zwergal, Marianne Dieterich
PURPOSE OF REVIEW: To provide an update on diagnostic algorithms for differential diagnosis of acute vertigo and dizziness and swift identification of potentially harmful causes. RECENT FINDINGS: About 25% of patients with acute vertigo and dizziness have a potentially life-threatening diagnosis, including stroke in 4-15%. Diagnostic work-up relies on the combination of symptom features (triggers, duration, history of vertigo/dizziness, accompanying symptoms) and a comprehensive vestibular, ocular motor, and balance exam...
November 16, 2019: Current Opinion in Neurology
https://read.qxmd.com/read/31743235/clinical-phenotype-radiological-features-and-treatment-of-myelin-oligodendrocyte-glycoprotein-immunoglobulin-g-mog-igg-optic-neuritis
#20
John J Chen, M Tariq Bhatti
PURPOSE OF REVIEW: To review the clinical characteristics, radiological manifestations and treatment of myelin oligodendrocyte glycoprotein (MOG)-immunoglobulin G (IgG) optic neuritis. RECENT FINDINGS: Serum antibodies to MOG (MOG-IgG) have recently been found to be a biomarker of MOG-IgG-associated disorder (MOGAD), a demyelinating disease distinct from both multiple sclerosis and aquaporin-4-IgG neuromyelitis optica spectrum disorder (AQP4-IgG-positive NMOSD)...
November 16, 2019: Current Opinion in Neurology
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