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Quantitative EEG and functional outcome following acute ischemic stroke
Stroke is a leading cause of disability and mortality worldwide, and despite advances in disease prevention, acute treatment and rehabilitation, global stroke burden is expected to rise in the future (Feigin et al. 2017). Early post-stroke prognostication is essential both in the short-term (f. ex. in guiding treatment strategies) and in the long-term (to aid in rehabilitation management, in order to improve recovery and minimize disability). Predictors of stroke disability and associate death consistently include age and clinical / imaging related stroke severity (Adams et al.
Source: Clinical Neurophysiology - June 15, 2018 Category: Neuroscience Authors: Carla Bentes, Ana Rita Peralta, Pedro Viana, Hugo Martins, Carlos Morgado, Carlos Casimiro, Ana Catarina Franco, Ana Catarina Fonseca, Ruth Geraldes, Patr ícia Canhão, Teresa Pinho e Melo, Teresa Paiva, José M Ferro Source Type: research

Stroke causes a transient imbalance of interhemispheric information flow in EEG during Non-REM sleep
Stroke is one of the leading causes of disabilities and represents a major medical and socio-economical burden (Adamson et al., 2004; Global Burden of Disease Study Collaborators, 2015; Ovbiagele et al., 2013). Ischemic strokes account for more than 2/3 of all strokes (Feigin et al., 2009). In the minutes to weeks following the onset of a focal cerebral ischemia, a variety of local but also more distant changes in connectivity occur (Silasi and Murphy, 2014; Xerri et al., 2014). In particular, functional neuroimaging studies have highlighted a “hyperactivity” of the homotopic contralesional region following a unilatera...
Source: Clinical Neurophysiology - April 17, 2018 Category: Neuroscience Authors: Frederic Zubler, Andrea Seiler, Thomas Horvath, Corinne Roth, Silvia Miano, Christian Rummel, Heidemarie Gast, Lino Nobili, Kaspar A. Schindler, Claudio L. Bassetti Source Type: research

Interhemispheric motor interactions in hemiparetic children with perinatal stroke: Clinical correlates and effects of neuromodulation therapy
Perinatal ischemic stroke (PS) is the occlusion of arteries or veins that results in cerebral damage between 20 weeks gestation and 28 days of life (Raju, 2007; Nelson and Lynch, 2004). PS is common, occurring in>1:3000 live births, and accounts for most hemiparetic cerebral palsy (CP) (Kirton and DeVeber, 2013). Children with PS-induced hemiparetic CP typically manifest motor asymmetry and early hand preference in the first 4-6 months of life (Kirton et al., 2010b). How the motor system develops following such early unilateral brain injury is increasingly defined by animal (Martin et al., 2007) and human (Eyre, 2007; Staudt, 2007) studies.
Source: Clinical Neurophysiology - November 25, 2017 Category: Neuroscience Authors: Derek Eng, Ephrem Zewdie, Patrick Ciechanski, Omar Damji, Adam Kirton Source Type: research

34. A case of takotsubo syndrome induced by seizures. Review of letterature
We describe a patient who developed TTS after recurrent seizures.A 78years old man with parossistic atrial fibrillation and epilepsy symptomatic of previous ischemic stroke was hospitalized for relapsing of repeated partial seizures.
Source: Clinical Neurophysiology - November 11, 2017 Category: Neuroscience Authors: S. Mazzoli, E. Fallica, E. Cesnik, V. Govoni, V. Rispoli, E. Contaldi, V. Tugnoli Source Type: research

EP 74. Comparison of freehand B-mode and power-mode 3D ultrasound for visualisation and grading of internal carotid artery stenosis
Currently, colour-coded duplex sonography (2D-CDS) is clinical standard for detection and grading of ICAS (1,2) as a relevant risk factor for ischaemic stroke (3,4). Unlike angiographic imaging modalities, 2D-CDS assesses ICAS by its haemodynamic effects rather than luminal changes1. Therefore, aim of this study was to evaluate freehand 3D ultrasound (3DUS) for direct visualisation and quantification of ICAS.
Source: Clinical Neurophysiology - August 5, 2016 Category: Neuroscience Authors: A. Weinreich, D. Saur, J. Pelz Tags: ePoster Presentations – Neuroimaging II Source Type: research

EP 9. Prevalence, clinical characteristics and long-term course of headache in patients with stroke (multicenter study of DMKG)
Headache in association with stroke is a symptom not at all differentiated and investigated in Germany. According to previous data, it seems to be a common problem, but usually other symptoms of stroke are predominating. Furthermore, the treatment is focused on acute therapy of ischemic stroke followed by rehabilitation. However, headaches in subarachnoid hemorrhage as a special type of stroke represents the leading clinical symptom and thus also be diagnostically significant. Headache in stroke should be classified as symptomatic headache (IHS 6.1 –6.2).
Source: Clinical Neurophysiology - August 5, 2016 Category: Neuroscience Authors: S. Dietrich, A. D üring, D. Rothkirch, F. Filippopulos, O. Eren, T. Dresler, A. Straube, G. Goßrau, T. Kraya Source Type: research

Resolution of cerebral pathophysiology immediately following thrombectomy in acute ischaemic stroke: Monitoring via quantitative EEG
Quantitative EEG (QEEG) has demonstrated value in assessment of cerebral pathophysiology following acute ischaemic stroke (AIS; e.g., (Finnigan et al., 2013). Various reports indicate that EEG/QEEG can promptly detect cerebral responses to successful reperfusion therapy, even when this cannot be assessed clinically (Finnigan et al., 2006; de Vos et al., 2008, Finnigan et al., 2013). Additionally QEEG can indicate lack of favourable response to therapy, (e.g. unsuccessful alteplase) and may help expedite decisions regarding intra-arterial interventions (e.g.
Source: Clinical Neurophysiology - June 9, 2016 Category: Neuroscience Authors: Emma Schleiger, Andrew Wong, Stephen Read, Alan Coulthard, Simon Finnigan Tags: Letter to the Editor Source Type: research

Improved cerebral pathophysiology immediately following thrombectomy in acute ischaemic stroke: Monitoring via quantitative EEG
Quantitative EEG (QEEG) has demonstrated value in assessment of cerebral pathophysiology following acute ischaemic stroke (AIS; e.g., Finnigan and van Putten, 2013). Various reports indicate that EEG/QEEG can promptly detect cerebral responses to successful reperfusion therapy, even when this cannot be assessed clinically (Finnigan et al., 2006; de Vos et al., 2008, Finnigan and van Putten, 2013). Additionally QEEG can indicate lack of favourable response to therapy, (e.g. unsuccessful alteplase) and may help expedite decisions regarding intra-arterial interventions (e.g.
Source: Clinical Neurophysiology - June 9, 2016 Category: Neuroscience Authors: Emma Schleiger, Andrew Wong, Stephen Read, Alan Coulthard, Simon Finnigan Tags: Letter to the Editor Source Type: research

Functional and structural cortical characteristics after restricted focal motor cortical infarction evaluated at chronic stage – indications from a preliminary study
Motor disability is among the most common consequences of ischemic stroke. Following focal ischemic damage, the reorganization of the cortical functions begins (Ward and Cohen, 2004). Some initial improvement after the acute phase occurs due to resolution of the perilesional edema and recovery of other tissue functions surviving the ischemia (Hallett, 2001). However, it is thought that the long-term recovery occurs primarily due to brain plasticity through functional and structural reorganization (Hallett, 2001; Hodics et al., 2006).
Source: Clinical Neurophysiology - May 24, 2016 Category: Neuroscience Authors: Petro Julkunen, Sara Määttä, Laura Säisänen, Elisa Kallioniemi, Mervi Könönen, Pekka Jäkälä, Ritva Vanninen, Selja Vaalto Source Type: research

Changes in electrocorticographic beta frequency components precede spreading depolarization in patients with acute brain injury
Spreading depolarization (SD) occurs during the first two weeks after traumatic brain injury (TBI), subarachnoid hemorrhage (SAH), malignant hemispheric stroke (MHS) and intracranial hemorrhage (ICH). In patients with SAH, focal clusters of SDs are observed in brain areas where new ischemia occurs. After SAH and TBI, SDs are associated with DIND (delayed ischemic neurological deficit) and worsened outcome (Dreier et al. 2006; Dreier et al. 2011; Hartings et al. 2011a, Hartings et al. 2011b). In patients with subacute MHS, the incidence of SDs is particularly high (Dohmen et al.
Source: Clinical Neurophysiology - May 3, 2016 Category: Neuroscience Authors: Daniel N. Hertle, Marina Heer, Edgar Santos, Michael Schöll, Christina M. Kowoll, Christian Dohmen, Jennifer Diedler, Roland Veltkamp, Rudolf Graf, Andreas W. Unterberg, Oliver W. Sakowitz Source Type: research

In-depth performance analysis of an EEG based neonatal seizure detection algorithm
Full term neonates with neurological conditions such as hypoxic-ischaemic encephalopathy (HIE), stroke and meningitis are at high risk of developing seizures. There is accumulating evidence from animal models (Wirrell et al., 2001) and human studies (Glass et al., 2009) that neonatal seizures impose additional damage to the brain above and beyond the underlying aetiology. Prompt detection and treatment of seizures is therefore of paramount importance to optimize developmental outcome.
Source: Clinical Neurophysiology - February 20, 2016 Category: Neuroscience Authors: S. Mathieson, J. Rennie, V. Livingstone, A. Temko, E. Low, R.M. Pressler, G.B. Boylan Source Type: research

ID 30 – Influence of M1 hand knob ischemic stroke on motor activation: An fMRI study in chronic stage
To evaluate whether stroke lesion focused on the primary motor cortex hand knob re-localizes the hand motor area in the affected hemisphere.
Source: Clinical Neurophysiology - February 11, 2016 Category: Neuroscience Authors: E. Kallioniemi, M. Könönen, L. Säisänen, P. Julkunen, R. Vanninen, P. Jäkälä, S. Määttä, S. Vaalto Source Type: research

ID 366 – Cerebral venous thrombosis (CVT) in a female patient with severe obstructive sleep apnea (OSAS): Case presentation
Obstructive sleep apnea syndrome is reported to be a risk factor for arterial ischemic stroke, however, relationship between OSAS and cerebral venous thrombosis (CVT) remains uncertain.
Source: Clinical Neurophysiology - February 11, 2016 Category: Neuroscience Authors: H. Rashed, A. Marei, M. Tork, A. Abdelnasser Source Type: research

ID 430 – The value of the P300 event related potential in the ischemic stroke
So far, only little is known about the impact of stroke on Event Related Potentials. The aim of this prospective study was to follow-up P300 latencies and choice reaction time in stroke patients and evaluate their changes over a prospective 1-year follow-up period.
Source: Clinical Neurophysiology - February 11, 2016 Category: Neuroscience Authors: M. Dejanovic, V. Ivetic, V. Nestorovic, Z. Milanovic, M. Miric Source Type: research

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