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https://www.readbyqxmd.com/read/29351559/characterisation-of-ictal-and-interictal-states-of-epilepsy-a-system-dynamic-approach-of-principal-dynamic-modes-analysis
#1
Zabit Hameed, Saqib Saleem, Jawad Mirza, Muhammad Salman Mustafa, Qamar-Ul-Islam
Epilepsy is a brain disorder characterised by the recurrent and unpredictable interruptions of normal brain function, called epileptic seizures. The present study attempts to derive new diagnostic indices which may delineate between ictal and interictal states of epilepsy. To achieve this, the nonlinear modeling approach of global principal dynamic modes (PDMs) is adopted to examine the functional connectivity of the temporal and frontal lobes with the occipital brain segment using an ensemble of paediatric EEGs having the presence of epileptic seizure...
2018: PloS One
https://www.readbyqxmd.com/read/29336036/the-incidence-and-significance-of-periictal-apnea-in-epileptic-seizures
#2
Nuria Lacuey, Bilal Zonjy, Johnson P Hampson, M R Sandhya Rani, Anita Zaremba, Rup K Sainju, Brian K Gehlbach, Stephan Schuele, Daniel Friedman, Orrin Devinsky, Maromi Nei, Ronald M Harper, Luke Allen, Beate Diehl, John J Millichap, Lisa Bateman, Mark A Granner, Deidre N Dragon, George B Richerson, Samden D Lhatoo
OBJECTIVE: The aim of this study was to investigate periictal central apnea as a seizure semiological feature, its localizing value, and possible relationship with sudden unexpected death in epilepsy (SUDEP) pathomechanisms. METHODS: We prospectively studied polygraphic physiological responses, including inductance plethysmography, peripheral capillary oxygen saturation (SpO2 ), electrocardiography, and video electroencephalography (VEEG) in 473 patients in a multicenter study of SUDEP...
January 16, 2018: Epilepsia
https://www.readbyqxmd.com/read/29335082/-a-comparative-analysis-of-anti-n-methyl-d-aspartate-receptor-encephalitis-with-or-without-abnormal-findings-on-cranial-magnetic-resonance-imaging
#3
Jian-Zhao Zhang, Qian Chen, Ping Zheng, Li-Na Xie, Xiao-Li Yi, Hai-Tao Ren, Jian Yang
OBJECTIVE: To investigate the clinical features of children with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis with normal or abnormal cranial magnetic resonance imaging (MRI) findings via a comparative analysis. METHODS: A retrospective analysis was performed for the clinical data of 33 children with anti-NMDAR encephalitis. The clinical features and prognosis were compared between the children with normal and abnormal cranial MRI findings. RESULTS: In the 33 children with anti-NMDAR encephalitis, the most common initial symptoms were seizures (61%) and involuntary movement (61%), followed by language disorder (54%), mental and behavioral abnormalities (52%), and disturbance of consciousness (30%)...
January 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29325982/multiple-cerebral-infarct-with-cerebral-vasculitis-in-a-young-patient-with-ulcerative-colitis
#4
Maeng Real Park, Mun Ki Min, Ji Ho Ryu, Dae Sub Lee, Kang Ho Lee
Ulcerative colitis (UC) is a chronic and debilitating disorder, characterized by inflammation of the colonic mucosa. UC can be considered a systemic disorder but UC-related manifestations in the central nervous system (CNS) are quite rare. A 29-year-old man was admitted to the emergency department with repeated generalized tonic-clonic (GTC) type seizures. Based on brain CT, brain metastasis or hemorrhagic infarct was suspected. Diffusion-weighted image of brain MRI showed high signal in the left thalamus and heterogenous enhancement in the right parietal and left frontal lobes...
January 4, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29321231/chronic-traumatic-encephalopathy-in-an-epilepsy-surgery-cohort-clinical-and-pathologic-findings
#5
Amy L Jones, Jeffrey W Britton, Melissa M Blessing, Joseph E Parisi, Gregory D Cascino
OBJECTIVE: To determine the occurrence of chronic traumatic encephalopathy (CTE) in young adult patients undergoing epilepsy surgery. METHODS: Ten patients who underwent epilepsy surgery were randomly selected for this retrospective study. The patients were 18-45 years of age, had preoperative neuropsychological evaluation, and had 1 year postoperative follow-up. Microscopic sections from resections were evaluated for the presence of CTE with standard stains and antibodies to tau (clone AT8)...
January 10, 2018: Neurology
https://www.readbyqxmd.com/read/29291205/topiramate-induced-peripheral-neuropathy-a-case-report-and-review-of-literature
#6
Sherifa Ahmed Hamed
Drug-induced peripheral neuropathy had been rarely reported as an adverse effect of some antiepileptic drugs (AEDs) at high cumulative doses or even within the therapeutic drug doses or levels. We describe clinical and diagnostic features of a patient with peripheral neuropathy as an adverse effect of chronic topiramate (TPM) therapy. A 37-year-old woman was presented for the control of active epilepsy (2010). She was resistant to some AEDs as mono- or combined therapies (carbamazepine, sodium valproate, levetiracetam, oxcarbazepine and lamotrigine)...
December 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/29289531/epileptic-seizures-are-reduced-by-autonomic-biofeedback-therapy-through-enhancement-of-fronto-limbic-connectivity-a-controlled-trial-and-neuroimaging-study
#7
Yoko Nagai, Julia Aram, Matthias Koepp, Louis Lemieux, Marco Mula, Hugo Critchley, Sanjay Sisodiya, Mara Cercignani
BACKGROUND: Thirty-percent of patients with epilepsy are drug-resistant, and might benefit from effective noninvasive therapeutic interventions. Evidence is accumulating on the efficacy of autonomic biofeedback therapy using galvanic skin response (GSR; an index of sympathetic arousal) in treating epileptic seizures. This study aimed to extend previous controlled clinical trials of autonomic biofeedback therapy with a larger homogeneous sample of patients with temporal lobe epilepsy. In addition, we used neuroimaging to characterize neural mechanisms of change in seizure frequency following the therapy...
December 13, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29275588/-impairments-of-gray-matter-in-mri-negative-epileptic-patients-with-different-seizure-types
#8
W Quan, Q Xu, F Yang, G H Chen, Z X Lin, Q R Zhang, J H Xiao, G M Lu, Z Q Zhang
Objective: To investigate the damage of gray matter structure in MRI-negative epilepsy patients with different symptoms by voxel-based morphometry (VBM). Methods: From June, 2009 to October, 2016, ninety MRI-negative epilepsy patients and thirty-five healthy volunteers underwent the 3T magnetic resonance imaging scan in Nanjing General Hospital. The patients were divided into three groups, including idiopathic generalized tonic-clonic seizure (I-GTCS), secondarily generalized tonic-clonic seizure (S-GTCS), and partial seizure (PS) according to different symptoms...
December 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29250844/intractable-epilepsy-due-to-a-rosette-forming-glioneuronal-tumor-with-a-dysembryoplastic-neuroepithelial-background
#9
Noriko Sumitomo, Akihiko Ishiyama, Makoto Shibuya, Eiji Nakagawa, Yu Kaneko, Akio Takahashi, Taisuke Otsuki, Akiyoshi Kakita, Yuko Saito, Noriko Sato, Kenji Sugai, Masayuki Sasaki
A rosette-forming glioneuronal tumor (RGNT) was initially reported as an infratentorial tumor that comprised both small neurocytic rosettes and astrocytic components. However, a few studies have reported supratentorial RGNTs arising in the cerebral hemispheres. Here, we report an unusual case involving a 9-year-old boy with a supratentorial RGNT who presented with intractable epilepsy and behavioral changes. Brain MRI revealed a well-circumscribed space-occupying lesion with septae in the right inferomedial parietal lobe...
December 18, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29250756/sporadic-nocturnal-frontal-lobe-epilepsy-report-on-two-cases-and-review-of-the-first-taiwanese-series-of-10-cases
#10
Shih-Bin Yeh, Carlos H Schenck
PURPOSE: To report two additional cases of sporadic (i.e. non-familial) Nocturnal Frontal Lobe Epilepsy (NFLE) and integrate these two cases within the first series of 10 cases of sporadic NFLE reported in Taiwanese patients, and compare the findings with familial NFLE and with findings from Caucasian NFLE patients. METHODS: Clinical interviews, neurological examinations, EEG, brain MRI, and overnight videopolysomnographic (vPSG) monitoring with EEG seizure montage, and treatment outcome...
June 15, 2017: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/29248175/calvarium-mass-as-the-first-presentation-of-glioblastoma-multiforme-a-very-rare-manifestation-of-high-grade-glioma
#11
S Taghipour Zahir, M Mortaz, M Baghi Yazdi, N Sefidrokh Sharahjin, M Shabani
Glioblastoma multiforme (GBM) is a high grade glial tumor, primarily located in cerebral hemispheres. The most common clinical presentations are slowly progressive neurological deficit such as motor weakness, seizure, and headaches that last less than three months. Calvarium and extra-axial invasion are very rare and generally occur after a brain biopsy or surgery, or secondary to radiotherapy of primary intra-axial glial tumors. We report a case of GBM with calvarium involvement in a 60-year-old man who presented with a frontal bump and left-sided clumsiness...
December 13, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29247375/a-novel-mutation-in-lamc3-associated-with-generalized-polymicrogyria-of-the-cortex-and-epilepsy
#12
J L Zambonin, D A Dyment, Y Xi, R E Lamont, T Hartley, E Miller, M Kerr, K M Boycott, J S Parboosingh, S Venkateswaran
Occipital cortical malformation is a rare neurodevelopmental disorder characterized by pachygyria and polymicrogyria of the occipital lobes as well as global developmental delays and seizures. This condition is due to biallelic, loss-of-function mutations in LAMC3 and has been reported in four unrelated families to date. We report an individual with global delays, seizures, and polymicrogyria that extends beyond the occipital lobes and includes the frontal, parietal, temporal, and occipital lobes. Next-generation sequencing identified a homozygous nonsense mutation in LAMC3: c...
December 15, 2017: Neurogenetics
https://www.readbyqxmd.com/read/29237665/intermittent-catatonia-and-complex-automatisms-caused-by-frontal-lobe-epilepsy-in-dementia
#13
Robynne George, Alex Langford
An 82-year-old man was admitted to the emergency department following bizarre behaviour. Police had noticed him driving erratically through his village. He did not stop when instructed, drove slowly home and appeared 'vacant' on questioning. While in hospital, he had approximately 15 episodes of catatonia, involving rigidity, negativism, mutism except echolalia and perseveration, automatic obedience and utilisation phenomena, lasting 2-20 min each. Between episodes, he was amnestic but otherwise well. Electroencephalography demonstrated bifrontal slowing with left-sided emphasis, and captured two focal onset partial seizures with the clinical correlate of the syndrome described above...
December 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29219786/periinsular-anterior-quadrantotomy-technical-note
#14
Giulia Cossu, Sebastien Lebon, Margitta Seeck, Etienne Pralong, Mahmoud Messerer, Eliane Roulet-Perez, Roy Thomas Daniel
Refractory frontal lobe epilepsy has been traditionally treated through a frontal lobectomy. A disconnective technique may allow similar seizure outcomes while avoiding the complications associated with large brain resections. The aim of this study was to describe a new technique of selective disconnection of the frontal lobe that can be performed in cases of refractory epilepsy due to epileptogenic foci involving 1 frontal lobe (anterior to the motor cortex), with preservation of motor function. In addition to the description of the technique, an illustrative case is also presented...
December 8, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29213045/-an-effect-of-epilepsy-on-sleep-structure
#15
S G Khachatryan, Yu S Tunyan
In this review, the authors discuss the problem of management of the patient with epilepsy with regard an impact of epileptic seizures and syndromes on sleep structure. Sleep disorders can lead to worsening of seizure control and general medical condition of the patients. However, seizures themselves and types of epilepsy can affect the sleep architecture. One of the most frequent symptoms of disordered sleep in epilepsy patients is excessive daytime sleepiness, which can be a consequence of poor sleep quality due to frequent nocturnal seizures or excessive interictal epileptiform activity during sleep leading to frequent arousals...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29204347/impairment-of-consciousness-induced-by-bilateral-electrical-stimulation-of-the-frontal-convexity
#16
Imran H Quraishi, Christopher F Benjamin, Dennis D Spencer, Hal Blumenfeld, Rafeed Alkawadri
We report a case of impairment of consciousness (IOC) induced by electrical cortical stimulation (ECS) of homologous regions within the lateral frontal convexities in a patient with medically intractable epilepsy. The patient had mixed features of idiopathic generalized and focal epilepsy. On intracranial EEG recording, interictal and ictal discharges showed a high degree of synchrony across widespread bilateral fronto-parietal areas. We identified regions in the lateral frontal lobes that reliably and produced loss of consciousness by ECS...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/29201855/posterior-reversible-encephalopathy-syndrome-after-head-trauma-surgery-in-pediatric-patient-without-any-underlying-disease
#17
Jae Eon Yoon, Cheol Young Lee, Hyun Woo Kim
Posterior reversible encephalopathy syndrome (PRES) is a neurological disorder characterized by signs of posterior cerebral edema upon radiographic examination. A 16-year-old girl was involved in motorcycle accident and depressed frontal fracture was presented. She had generalized seizures 3 days after dural repair and fracture reduction. Signal changes was noted on both parietal lobes in the magnetic resonance images and it was completely resolved in 3 months follow-up. We would like to present the case that demonstrated PRES related hypertension after head trauma surgery for cerebrospinal fluid leakage in pediatric patient without any underlying disease...
October 2017: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29196579/clinical-and-molecular-characterization-of-kcnt1-related-severe-early-onset-epilepsy
#18
Amy McTague, Umesh Nair, Sony Malhotra, Esther Meyer, Natalie Trump, Elena V Gazina, Apostolos Papandreou, Adeline Ngoh, Sally Ackermann, Gautam Ambegaonkar, Richard Appleton, Archana Desurkar, Christin Eltze, Rachel Kneen, Ajith V Kumar, Karine Lascelles, Tara Montgomery, Venkateswaran Ramesh, Rajib Samanta, Richard H Scott, Jeen Tan, William Whitehouse, Annapurna Poduri, Ingrid E Scheffer, W K Kling Chong, J Helen Cross, Maya Topf, Steven Petrou, Manju A Kurian
OBJECTIVE: To characterize the phenotypic spectrum, molecular genetic findings, and functional consequences of pathogenic variants in early-onset KCNT1 epilepsy. METHODS: We identified a cohort of 31 patients with epilepsy of infancy with migrating focal seizures (EIMFS) and screened for variants in KCNT1 using direct Sanger sequencing, a multiple-gene next-generation sequencing panel, and whole-exome sequencing. Additional patients with non-EIMFS early-onset epilepsy in whom we identified KCNT1 variants on local diagnostic multiple gene panel testing were also included...
January 2, 2018: Neurology
https://www.readbyqxmd.com/read/29196578/precision-therapy-for-epilepsy-due-to-kcnt1-mutations-a-randomized-trial-of-oral-quinidine
#19
Saul A Mullen, Patrick W Carney, Annie Roten, Michael Ching, Paul A Lightfoot, Leonid Churilov, Umesh Nair, Melody Li, Samuel F Berkovic, Steven Petrou, Ingrid E Scheffer
OBJECTIVE: To evaluate quinidine as a precision therapy for severe epilepsy due to gain of function mutations in the potassium channel gene KCNT1. METHODS: A single-center, inpatient, order-randomized, blinded, placebo-controlled, crossover trial of oral quinidine included 6 patients with severe autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE) due to KCNT1 mutation. Order was block randomized and blinded. Four-day treatment blocks were used with a 2-day washout between...
January 2, 2018: Neurology
https://www.readbyqxmd.com/read/29179101/the-cinderella-syndrome-a-narrative-study-of-social-curfews-and-lifestyle-restrictions-in-juvenile-myoclonic-epilepsy
#20
Teresa Leahy, Michael J Hennessy, Timothy J Counihan
Several factors are thought to contribute to inadequate seizure control in patients with juvenile myoclonic epilepsy (JME), including drug resistance, neuropsychiatric comorbidity, and poor lifestyle choices. Recent evidence supports the existence of frontal lobe microstructural deficits and behavioral changes that may contribute to poor seizure control in a minority of patients. Counseling patients on the importance of adequate sleep hygiene and alcohol restriction is an important part of the management strategy for patients with JME...
November 24, 2017: Epilepsy & Behavior: E&B
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