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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

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

ID 381 – Functional neuroimaging study of patients with disorders of consciousness. Value of default mode network (DMN)
Resting FMRI allows estimation the neural networks activation, connectivity in the brain with present or absent evidence of consciousness. Patients with disorders of consciousness (DOC) show selective activation of the default mode network (DMN) as consciousness level increases. The study aim was to evaluate the DMN activation parameters in patients with unresponsive wakefulness syndrome (UWS) and minimal consciousness state (MCS). Material and methods: 4 patients with DOC: 1-anoxic, 1-traumatic, 1-hemorrhagic stroke, 1-acute disseminated encephalomyelitis.
Source: Clinical Neurophysiology - February 11, 2016 Category: Neuroscience Authors: L. Legostaeva, E. Zmeykina, E. Kremneva, A. Poydasheva, A. Chervyakov, D. Sergeev, I. Sychev, J. Ryabinkina, N. Suponeva, M. Piradov Source Type: research

ID 252 – Auditory startle reflex (ASR) in ischemic and hemorrhagic stroke
To evaluate the influence of cortical and subcortical vascular lesions on ASR.
Source: Clinical Neurophysiology - February 11, 2016 Category: Neuroscience Authors: S. Yagüe, M. Veciana, J. Pedro, P. Cardona, H. Quesada, H. Kumru, C. Flores, J. Montero, J. Valls-Solé Source Type: research

P99. Predictors of new cerebral microbleeds in patients with antiplatelet drug therapy
Cerebral microbleeds (CMBs) are an MRI marker of vascular damage in the brain and are associated with an increased risk for ischemic and especially hemorrhagic stroke. CMBs are known to be more prevalent in patients who take antiplatelet drug therapy, which is commonly used for secondary prevention in patients with ischemic stroke. The aim of the present study was to evaluate the usefulness of susceptibility weighted imaging (SWI) to identify patients at high risk for the development of new CMBs under antiplatelet drug therapy.
Source: Clinical Neurophysiology - July 5, 2015 Category: Neuroscience Authors: K. Menzler, M. Hausdörfer, C. Mayer, M. Belke, A. Gerstner, M. Teepker, R. Werner, H. Hamer, W. Oertel, F. Rosenow, S. Knake Source Type: research

The P300 in middle cerebral artery strokes or hemorrhages: Outcome predictions and source localization
Stroke is the leading cause of disability and is the third leading cause of death worldwide (Murray and Lopez, 1997). According to the World Health Organisation, a total of 15 million people suffer a stroke each year. Strokes can principally be classified into two main categories, ischemic and hemorrhagic (Donnan et al., 2008). 85% of all strokes are of ischemic origin (Qureshi et al., 2001) and most commonly occur within the territory of the middle cerebral artery (MCA). The MCA supplies the lateral portion of the cerebral cortex (about 60–70% of the hemisphere).
Source: Clinical Neurophysiology - November 1, 2014 Category: Neuroscience Authors: Mana R. Ehlers, Carmen López Herrero, Andreas Kastrup, Helmut Hildebrandt Source Type: research

The P300 in middle cerebral artery strokes or hemorrhages: outcome predictions and source localisation
Stroke is the leading cause of disability and is the third leading cause of death worldwide (Murray and Lopez, 1997). According to the World Health Organisation, a total of 15 million people suffer a stroke each year. Strokes can principally be classified into two main categories, ischemic and hemorrhagic (Donnan et al., 2008). 85 % of all strokes are of ischemic origin (Qureshi et al., 2001) and most commonly occur within the territory of the middle cerebral artery (MCA). The MCA supplies the lateral portion of the cerebral cortex (about 60 % - 70 % of the hemisphere).
Source: Clinical Neurophysiology - November 1, 2014 Category: Neuroscience Authors: Mana R. Ehlers, Carmen López Herrero, Andreas Kastrup, Helmut Hildebrandt Source Type: research

63. Resting state cortical electroencephalographic rhythms in acute stroke patients
Patients suffering from Alzheimer’s disease, Parkinson disease with dementia, and diffuse cerebrovascular dementia show different features of cortical sources of resting state electroencephalographic (EEG) rhythms (Babiloni et al., 2004, 2011). Here, we tested the hypothesis that stroke patients are characterized by peculiar abnormalities of these rhythms. Resting state eyes-closed EEG data were recorded in 29 acute stroke, 29 Alzheimer’s disease, 29 mild cognitive impairment patients, and 29 cognitively intact elderly subjects. Stroke patients were age matched with the other groups, they showed a mild cognitive declin...
Source: Clinical Neurophysiology - October 21, 2013 Category: Neuroscience Authors: F. Infarinato, C. Del Percio, R. Lizio, P. Sale, M. Franceschini, V. Lombardi, F. Orzi, P.M. Rossini, C. Babiloni Tags: Society Proceedings Source Type: research

11. “Two is better than one”? Simultaneous monitoring of multichannel somatosensory evoked potentials and electroencephalogram during carotid endarterectomy
In carotid endarterectomy (CEA), EEG and somatosensory evoked potentials (SEPs) are the most commonly used monitoring techniques to prevent perioperative stroke. However, which of these methods is the most appropriate is not definitely established. Here we evaluated retrospectively simultaneous EEG and SEP recordings. Our CEA series was analyzed backward to identify 30 patients requiring carotid shunt. Shunting was performed in 7.1% of 420 consecutive CEA over a 20-month period. All CEAs were continuously monitored by multi-channel EEG and SEPs before, during and 20min following carotid cross-clamping. The most reliable SE...
Source: Clinical Neurophysiology - October 21, 2013 Category: Neuroscience Authors: C. Cardinali, D. Battista, E. Del Sordo, S. Colon, N. Cellai, R. Mazzeo, E. Sirabella, S. Michelagnoli, F. Passuello, L. Ercolini, E. Barbanti, E. Chisci, P. Frosini, A. Lenzi, A. Molisso, L. Tramacere, A. Borgheresi, P. Vanni, M. Piccininni, G. Zaccara, Tags: Society Proceedings Source Type: research

P 78. The prognostic value of motor-evoked potentials in motor recovery and functional outcome after stroke – a systematic review of the literature
Conclusions: TMS may be helpful in prognosis of motor recovery and functional outcome in stroke patients, and may become additional tool in making decision about qualification to rehabilitation ward and length of rehabilitation process. However, further studies are necessary to determine the real value of this method. The interpretation of the results of our review was complicated by methodological variation between the included studies.
Source: Clinical Neurophysiology - September 19, 2013 Category: Neuroscience Authors: J. Bembenek, K. Kurczych, M. Karlinski, A. Czlonkowska Tags: Society Proceedings Source Type: research

4. ICU EEG study
This study suggests that long-term EEG monitoring in an unselected ICU population rarely influences treatment or outcome. In a selected population with known epilepsy the benefit may be larger.
Source: Clinical Neurophysiology - May 18, 2013 Category: Neuroscience Authors: Omar Khan, Christina Azevedo, Justin Montanye, Juan Gonzalez, Syed Arshad, Mark Natola, Stephen Surgenor, Richard Morse, Richard Nordgren, Krzysztof Bujarski, Gregory Holmes, Barbara Jobst, Vijay Thadani Tags: Society Proceedings Source Type: research

A cloudy story: Guillain–Barré syndrome concealed by a spontaneous intracerebral haemorrhage
We present a case of Guillain–Barré syndrome (GBS), probably associated with influenza vaccine, occurring in a patient some days after a spontaneous haemorrhagic stroke. A 79-year-old woman was admitted to the neurosurgery department after a sudden severe headache, dizziness, and progressive generalised weakness. She had a history of hypertension and paroxysmal atrial fibrillation in dicumarolic therapy. Head CT scan showed a haemorrhagic stroke in left cerebellum, with compression on the fourth ventricle.
Source: Clinical Neurophysiology - October 22, 2012 Category: Neuroscience Authors: V. Mantero, L. De Toni Franceschini, L. Abate, F. Villa, A. Patruno, S. Jann, G. Citerio Tags: Letters to the Editor Source Type: research