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Boehncke Sandra - - 2011
Pituitary dysfunction is a known complication of traumatic brain injury and subarachnoidal hemorrhage but there are few data about pituitary dysfunction as a complication of ischemic stroke. We prospectively studied patients 66-274 days after an ischemic stroke, evaluating the prevalence of pituitary dysfunction (by combined releasing hormone testing: GHRH, CRH), ...
Stuart R Morgan - - 2010
To study the feasibility of utilizing intracortical electroencephalography (ICE) including quantitative EEG (qEEG) analysis for the detection of vasospasm in five consecutive poor-grade SAH patients. Intracortical electroencephalography (ICE) was obtained via a single miniature parenchymal 8-contact depth electrode placed at the bedside. Quantitative EEG parameters, calculated on surface EEG and ...
Okumura Yasuo - - 2010
Although the anterior and posterior boundaries of cavotricuspid isthmus-dependent atrial flutter (AFL) are reported to be located at the tricuspid annulus and sinus venosa region or crista terminalis, the exact upper turnaround point of the AFL circuit remains unclear. The aim of this study was to determine the upper turnaround ...
Kartalci Sukru - - 2011
Panic patients have many functional deficiencies in the hypothalamic-pituitary-adrenal (HPA) axis. Previous studies have shown changed pituitary gland volume in some psychiatric disorders that have functional deficiencies in the HPA axis. However, to date no study has evaluated the pituitary gland volume in patients with panic disorder (PD). We investigated ...
Aho A J - - 2011
Entropy™, an anaesthetic EEG monitoring method, yields two parameters: State Entropy (SE) and Response Entropy (RE). SE reflects the hypnotic level of the patient. RE covers also the EMG-dominant part of the frequency spectrum, reflecting the upper facial EMG response to noxious stimulation. We studied the EEG, EMG, and Entropy ...
Gholipour Taha - - 2011
Combined electroencephalography (EEG) and functional MRI (EEG-fMRI) can be useful in the evaluation of epilepsy patients. The reproducibility of EEG-fMRI findings needs to be established to consider it as a clinically valuable method. We addressed the intrasubject reproducibility of EEG-fMRI and the possible superiority of higher magnetic field strength in ...
Létourneau Karine - - 2010
Epileptiform electroencephalogram (EEG) asymmetries are not uncommon in juvenile myoclonic epilepsy (JME) and can contribute to the misdiagnosis of this syndrome. The objective of this study is to further characterize patients with focal or asymmetric epileptiform electroencephalographic abnormalities and more specifically in terms of response to treatment. Controversial data exists ...
Howard R - - 2010
The assessment of hypoxic-ischaemic brain injury (HIBI) remains predominantly clinical but ancillary support from investigations is important in improving sensitivity and specificity of neurological examination. 39 patients with HIBI admitted to an intensive treatment unit (ITU) over 5 years were reviewed retrospectively. There were 27 males, mean age 52.6 years. ...
Sundar Uma Su - - 2010
Suprasellar tuberculomas are exceptionally rare. We present the case of a middle aged male who presented with generalised apathy and meningism of two weeks duration. Neuroimaging was suggestive of tuberculomas in suprasellar cistern, while endocrinological investigation showed panhypopituitarism manifesting as pituitary hypothyroidism, hypocortisolism, and hyperprolactinemia. Cerebrospinal fluid examination showed lymphocytic ...
Brigo Francesco - - 2010
Subclinical rhythmic electrographic discharges of adults (SREDA) is an uncommon distinctive EEG rhythmic pattern with uncertain significance. We report a patient with transient global amnesia in whom an EEG recording, performed after the acute phase of the neurological event, showed SREDA. Based on this EEG finding, we discuss about a ...
Sarà Marco - - 2011
Establishing prognosis in patients in a persistent vegetative state (VS) is still challenging. Neural networks underlying consciousness may be regarded as complex systems whose outputs show a degree of unpredictability experimentally quantifiable by means of nonlinear parameters such as approximate entropy (ApEn). The authors propose that the VS might be ...
de Waal Hanneke - - 2011
To compare differences in severity and type of electroencephalography (EEG) abnormalities between early and late onset Alzheimer's disease (AD) and to assess the influence of APOE genotype on this association, in order to understand the biological differences in AD according to age at onset Of 460 probable AD patients and ...
Borelli Paolo - - 2010
Tailoring the epileptic cortex is the key issue in the pre-surgical work-up of patients with pharmacoresistant focal epilepsy. Not always, however, the conventional MRI and the scalp EEG are able to provide the information needed to address this issue since the imaging may be normal (criptogenetic epilepsy) and the EEG, ...
Painold Annamaria - - 2010
Huntington's disease (HD) is a devastating neurodegenerative disorder with prominent motor and cognitive decline. Previous studies with small sample sizes and methodological limitations have described abnormal electroencephalograms (EEG) in this cohort. The aim of the present study was to investigate objectively and quantitatively the neurophysiological basis of the disease in ...
Nguyen Michel V-H - - 2010
To study the yield of routine EEG in geriatric patients. We examined standard EEG recordings of 701 patients aged 84.6±6.4 years. These were performed over a 15 month-period in a geriatric hospital. The majority of patients were hospitalized and 46.5% suffered from multiple medical problems. We found EEG abnormalities in 392/701 (56%) patients. ...
Kumar Gyanendra - - 2010
We report a patient in whom the characteristic electroencephalographic features of baclofen intoxication are highlighted and emphasize the role of electrographic abnormalities in the diagnosis of this condition.
Beridze M - - 2010
Study aimed at investigation of dominated EEG patterns in traumatic coma of different severity and to elucidate their prognostic value for outcome of disease within month. A total of 53 coma patients with severe traumatic brain injury have been investigated. Exclusion criteria comprised the patients needing the neurosurgical intervention due ...
Wirrell Elaine C - - 2010
EEGs performed for new-onset seizures show epileptiform discharge in approximately 18% to 56% of children and 12% to 50% of adults. An EEG after sleep deprivation improves detection of epileptiform abnormalities, showing discharge in 13% to 35% of patients whose standard EEG findings were normal. Some studies have also shown ...
Piccione Francesco - - 2011
In 2007, Schiff et al reported a patient in a minimally conscious state (MCS) who responded to deep brain stimulation (DBS), but clinicians cannot predict which patients might respond prior to the implantation of electrodes. A patient in a MCS for 5 years participated in an ABA design alternating between ...
Muniz Juan - - 2010
Prolonged video/EEG monitoring is the main activity of referral tertiary epilepsy centers. Occasionally, monitoring is repeated in the same patient, but this subgroup has not been specifically studied. The purpose of this study was to analyze repeated video/EEG monitoring. We reviewed all sessions of inpatient video/EEG monitoring performed over 3 ...
Heers M - - 2010
In diagnosis of epilepsies electrophysiological findings play a key role. While spontaneous electroencephalography (EEG) and EEG with sleep deprivation (EEGsd) are widely evaluated and used, application of magnetoencephalography (MEG) in this field is primarily limited to presurgical assessment of focal epilepsies. In this study we retrospectively compared MEG (M/EEG) and ...
Giffoni Silvyo David Araújo - - 2010
Abstract Objectives: We studied the neuroimaging and neurophysiological aspects of 17 patients with midline facial defects with ocular hypertelorism (MFDH). Methods: The investigation protocol included a previous semistructured questionnaire about family history; gestational, neonatal, and postnatal development; and dysmorphologic and neurologic evaluation. Recognized monogenic disorders and individuals with other well-known ...
Cvetkovska E - - 2010
(Full text is available at http://www.manu.edu.mk/prilozi). The aim of the study was to determine the possible relationship between different clinical and EEG features and executive functions in patients with juvenile myoclonic epilepsy (JME), i.e. to determine if sex, age, duration, absences, clinical asymmetric seizures, asymmetry or focality in epileptiform activity ...
Dericioglu Nese N Institute of Neurological Sciences and Psychiatry, Hacettepe University, Ankara, Turkey. - - 2010
Mesial temporal lobe epilepsy syndrome (MTLES) is the most common surgically remediable epileptic syndrome in adults. Its diagnosis is easy when clinical history is supported by positive laboratory findings. However, routine EEG may not be informative in some patients, thus delaying accurate diagnosis. Therefore, we sought to determine how often ...
Kuba Robert - - 2010
We evaluated the effect of vagus nerve stimulation (VNS) on interictal epileptiform discharges (IEDs) in 32 epileptic patients (18 females; 14 males) with an average age of 42.2+/-11.4 years, all of whom had been suffering from epilepsy for an average of 29.2+/-14.5 years. All of the patients had received VNS ...
Bozorg Ali M - - 2010
The objective of this study is to determine the yield of routine outpatient electroencephalogram (EEG) in the diagnosis of epilepsy in the veteran population. All consecutive outpatient EEGs at the James A. Haley Veterans Affairs Hospital in Tampa, FL from October 31, 2005, to October 30, 2007, were retrospectively reviewed. ...
Lapergue B - - 2010
Nonconvulsive status epilepticus (NCSE) in patients with confusion may be difficult to distinguish from nonepileptic (metabolic/toxic, postanoxic, and spongiform) encephalopathies. This study aimed to describe the misleading presentation of patients with sporadic Creutzfeldt-Jakob disease (sCJD) who were initially diagnosed with a refractory NCSE (rNCSE). We retrospectively reviewed the clinical characteristics, ...
Naunheim Rosanne S - - 2011
Advances in analysis of electrical signals have now made it possible to create a handheld electroencephalogram (EEG). The BrainScope device, currently under development by BrainScope Co, Inc, Washington, DC, was used to assess 153 patients who presented to a tertiary referral hospital with headache or altered mental status. A limited ...
Sander Christian - - 2010
OBJECTIVE: In a pilot study it was investigated whether assessment of EEG-vigilance is useful for the prediction of treatment outcome in ADHD patients. METHODS: Resting EEG recordings of 49 unmedicated ADHD patients and 49 age-matched controls were analyzed. Vigilance level was determined for 1-s segments with a computer-based algorithm, distinguishing ...
Maestri Roberto - - 2010
The physiological mechanisms responsible for periodic breathing (PB) in heart failure (HF) patients are still debated. A role for rhythmic shifts in the level of wakefulness has been suggested, but their existence has never been proven. In this study we investigated the existence of an oscillation in EEG activity during ...
Dahaba A A - - 2010
Diagnosis of ictal discharges during epileptic activity should be based on raw electroencephalography (EEG). The apparatus necessary for such a diagnosis would typically require time to properly set up and operate. The bispectral index (BIS), an EEG-derived parameter that is easy to establish and easy to use, has been shown ...
Szaflarski Jerzy P JP Department of Neurology, University of Cincinnati, Cincinnati, OH 45267-0525, USA. - - 2010
In a minority of patients with idiopathic generalized epilepsies (IGEs), seizures continue despite appropriate treatment. We sought to determine the clinical and EEG factors associated with medication response in these patients. All patients with IGEs evaluated by epilepsy specialists between 17 November 2008 and 16 November 2009 were included. We ...
Vulliemoz Serge - - 2010
OBJECTIVE: To demonstrate a subdermal wire electrode technique for establishing a ground (GND) and reference (REF) during long-term EEG monitoring (LTM) with intracranial electrodes. Usually, a separate GND and REF are required and this GND&REF pair can be selected contacts in the invasive electrode arrays themselves, special invasive electrodes, or ...
Clemens B - - 2010
OBJECTIVE: To investigate and localize the sources of spontaneous, scalp-recorded theta activity in patients with partial epilepsy (PE). METHODS: Nine patients with beginning, untreated PE (Group 1), 31 patients with already treated PE (Group 2), and 14 healthy persons were investigated by means of spectral analysis and LORETA, low resolution ...
Buoni Sabrina - - 2010
To assess the presence/absence of peculiar EEG features and epilepsy in MECP2-mutated Rett patients with the Zappella-Rett variant (Z-RTT) also known as preserved speech variant. Retrospective analysis of 16 (age 19.4+/-8.4years; range 8-38years) MECP2 mutated Z-RTT cases, including 11 high or intermediate performance (HIP), and five low-performance (LP) patients was ...
Masterton Richard A J - - 2010
Simultaneous EEG and functional MRI (EEG-fMRI) studies of focal epileptiform spikes commonly use the canonical haemodynamic response function (HRF) to model the blood-oxygenation-level-dependent (BOLD) response to these events. Support for the use of the canonical HRF has come from large studies that contain mixed cohorts of epilepsy syndromes and discharge ...
Yilmaz Kutluhan - - 2010
Although diagnostic contribution of intravenous diazepam administration during electroencephalography (EEG) recording in subacute sclerosing panencephalitis has been known, no another drug with less potential side effects has been studied in this procedure. In this study, diazepam is compared with midazolam in 25 subacute sclerosing panencephalitis-diagnosed children and 10 children with ...
Bateman Lisa M - - 2010
Sudden unexplained death in epilepsy (SUDEP) is a common cause of death in patients with epilepsy, with cardiorespiratory dysfunction and a primary cessation of cerebral function proposed as causes. We report two cases of SUDEP in patients with intractable temporal lobe epilepsy undergoing video-EEG (electroencephalography) telemetry at two centers. Both ...
Lee Jong Woo - - 2010
EEGs obtained after craniotomy are difficult to read because of a breach rhythm consisting of unfiltered sharply contoured physiologic waveforms that can mimic interictal epileptiform discharges. Magnetoencephalography (MEG) is less affected by the skull breach. The postcraniotomy EEG and MEG scans of 20 patients were reviewed by two experienced electroencephalographers. ...
Jalili Mahdi - - 2010
The interhemispheric asymmetries that originate from connectivity-related structuring of the cortex are compromised in schizophrenia (SZ). Under the assumption that such abnormalities affect functional connectivity, we analyzed its correlate-EEG synchronization-in SZ patients and matched controls. We applied multivariate synchronization measures based on Laplacian EEG and tuned to various spatial scales. ...
Visani E - - 2010
OBJECTIVE: To evaluate the EEG recorded in photosensitive idiopathic generalised epilepsy (IGE) patients at rest and during 14Hz IPS, frequency capable of inducing photoparoxysmal responses (PPRs). METHODS: Power spectrum density and coherence profiles were estimated using a block autoregressive parametric model (AR) in 28 patients and 22 controls. RESULTS: At ...
Sar? Marco - - 2010
Consciousness has not yet been satisfactorily defined because of its puzzling nature which involve the perception of the environment (perceptual awareness) and of the self (self-awareness). Current available methods fail in establishing prognosis in patients with vegetative state (VS): to our mind, this failure stems from the heterogeneous localization of ...
Douw Linda - - 2010
Although epilepsy affects almost 1% of the world population, diagnosis of this debilitating disease is still difficult. The EEG is an important tool for epilepsy diagnosis and classification, but the sensitivity of interictal epileptiform discharges (IEDs) on the first EEG is only 30-50%. Here we investigate whether using 'functional connectivity' ...
Bubrick Ellen J EJ Department of Neurology, Division of Epilepsy, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. - - 2010
Nonconvulsive status epilepticus (NCSE) is a serious condition commonly considered when evaluating a patient with altered mental status, and an electroencephalogram (EEG) is necessary for diagnosis. Neurology house staff often must make this diagnosis at times when no EEG technologist is available. We report our experience with abbreviated, emergency below-the-hairline ...
Tanaka Naoaki - - 2010
The purpose of this study is to assess the accuracy of spatiotemporal source analysis of magnetoencephalography (MEG) and scalp electroencephalography (EEG) for representing the propagation of frontotemporal spikes in patients with partial epilepsy. This study focuses on frontotemporal spikes, which are typically characterized by a preceding anterior temporal peak followed ...
Bagnato S - - 2010
OBJECTIVE: To investigate the prognostic value of standard electroencephalogram (EEG) in predicting the improvement of the level of consciousness in patients suffering from severe disturbances of consciousness following coma caused by acute brain injuries. METHODS: A standard EEG was recorded at admission in our rehabilitation department in a total of ...
Brodbeck Verena - - 2010
Repetitive Transcranial Magnetic Stimulation (rTMS) is a non-invasive method for brain stimulation. Group-studies applying rTMS in epilepsy patients aiming to decrease epileptic spike- or seizure-frequency have led to inconsistent results. Here we studied whether therapeutic trains of rTMS have detectable effects on individual spike pattern and/or frequency in patients suffering ...
Moeller F - - 2009
In patients with nonlesional frontal lobe epilepsy (FLE), the delineation of the epileptogenic zone is difficult. Therefore these patients are often not considered for surgery due to an unclear seizure focus. The aim of this study was to investigate whether EEG-fMRI can add useful information in the preoperative evaluation of ...
Chawla Lakhmir S - - 2009
Abstract Level of consciousness at the end of life in critically ill patients is poorly characterized. We report a case series of seven patients who were neurologically intact before the decision to withdraw care due to extensive systemic critical illness. As part of our end-of-life care protocol, bispectral index (BIS) ...
Beniczky S - - 2010
BACKGROUND: Ketogenic diet (KD) is an effective treatment for pharmacoresistant epilepsy: more than half of the patients show a greater than 50% reduction in seizures. OBJECTIVE: To identify clinical or electroencephalogram (EEG) variables predicting the response to KD. METHODS: Clinical and EEG data were retrospectively analysed from 50 consecutive patients ...
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