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Psychogenic epilepsy

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https://www.readbyqxmd.com/read/28520630/diagnostic-yield-of-routine-electroencephalography-with-concurrent-video-recording-in-detecting-interictal-epileptiform-discharges-in-relation-to-reasons-for-request-a-prospective-study-of-1-080-video-electroencephalograms
#1
Laia Grau-López, Marta Jiménez, Jordi Ciurans, Sonia Barambio, Alejandra Fumanal, Juan L Becerra
PURPOSE: The aim of this study was to prospectively analyze the sensitivity and specificity of routine electroencephalography with concurrent video recording (vEEG) in relation to the reasons for requesting the test and to investigate when routine vEEG should be requested. METHODS: We prospectively analyzed 1,080 consecutive vEEGs performed between April 2015 and April 2016. The requests for vEEG were classified as requests with a low suspicion of epilepsy (syncope, confusion or delirium, suspicion of psychogenic nonepileptic seizures, and paroxysmal focal neurological deficit) or requests with a high suspicion of epilepsy (first clinical seizure, suspected status epilepticus, follow-up study of a patient with epilepsy, and acute symptomatic seizures)...
May 16, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28464309/psychiatric-and-behavioral-comorbidities-in-epilepsy-a-critical-reappraisal
#2
REVIEW
Anne T Berg, Hamada H Altalib, Orrin Devinsky
Psychiatric and behavioral disorders are important aspects of epilepsy and have received increasing attention in the last several years. The literature upon which most of the field relies contains some biases that must be carefully examined and resolved in future studies. First, in the pediatric epilepsy literature, many reports find that children with epilepsy have high levels of behavioral and psychiatric disorders when compared to appropriate controls. Most of these studies rely on parent-proxy completed instruments to assess these behavioral endpoints...
May 2, 2017: Epilepsia
https://www.readbyqxmd.com/read/28432961/diurnal-patterns-and-relationships-between-physiological-and-self-reported-stress-in-patients-with-epilepsy-and-psychogenic-non-epileptic-seizures
#3
Barbora Novakova, Peter R Harris, Markus Reuber
PURPOSE: Patients with epilepsy and those with psychogenic non-epileptic seizures (PNES) experience high levels of stress and stress is one of the most frequently self-identified seizure precipitants. Although stress is a multifaceted phenomenon, few studies have systematically examined its different components in patients with seizures. The aim of this study was therefore to describe diurnal patterns of psychological and physiological measures of stress in patients with epilepsy and patients with PNES, and explore their relationships to each other in order to improve our understanding of the mechanisms underlying stress and seizure occurrence in these patients...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427027/multisensory-temporal-function-and-eeg-complexity-in-patients-with-epilepsy-and-psychogenic-nonepileptic-events
#4
Jean-Paul Noel, LeAnne Kurela, Sarah H Baum, Hong Yu, Joseph S Neimat, Martin J Gallagher, Mark Wallace
Cognitive and perceptual comorbidities frequently accompany epilepsy and psychogenic nonepileptic events (PNEE). However, and despite the fact that perceptual function is built upon a multisensory foundation, little knowledge exists concerning multisensory function in these populations. Here, we characterized facets of multisensory processing abilities in patients with epilepsy and PNEE, and probed the relationship between individual resting-state EEG complexity and these psychophysical measures in each patient...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427022/stereotypy-of-psychogenic-nonepileptic-seizures
#5
Moshe Herskovitz
Psychogenic nonepileptic seizures (PNES) are defined as paroxysmal episodes in which epileptic semiology features are manifested, without the characteristic concomitant electrical discharges seen in epileptic seizures. Although many studies have dealt with semiologic classification of PNES, most of the studies did not raise the question of consistency of PNES in the same patient. The aim of this study was to measure the degree of consistency of PNES among individual patients. We retrospectively reviewed medical records and video- EEG records of all adult patients who underwent monitoring in our center from August 1st 2013 to May 31st 2015...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28424403/-non-convulsive-status-epilepticus-caused-by-hyponatremia-in-an-elderly-woman-a-case-report
#6
Yoshinori Kurauchi, Masahiro Yasaka, Keisuke Tokunaga, Masaki Saito, Shun Shimohama, Yasushi Okada
We report the case of a 67-year-old woman with non-convulsive status epilepticus (NCSE) due to hyponatremia. She had a history of psychogenic polydipsia but not epilepsy. She was admitted to our hospital with dysbulia. On admission, she was confused and disoriented (Glasgow Coma Scale: 6, E1V1M4). Magnetic resonance imaging of the brain showed no abnormalities. Laboratory test showed hyponatremia (Na<sup>+</sup> level: 115 mEq/L). The electroencephalography (EEG) showed a generalized slow wave of 5 Hz during recording...
April 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28411517/pre-and-post-surgical-psychiatric-assessments-and-intervention-by-major-epilepsy-centers-in-japan-nationwide-survey
#7
Hiroko Goji, Toshihiko Fukuchi, Kousuke Kanemoto
BACKGROUND: Although psychiatric issues following epilepsy surgery are now widely recognized as a major problem, actual awareness of these issues by epilepsy centers remains to be elucidated. This is the first known report regarding the use of psychiatric assessments and interventions by epilepsy centers throughout Japan. PARTICIPANTS AND METHODS: At the beginning of 2016, we sent a questionnaire regarding psychiatric assessments performed before and after epilepsy surgery, psychiatric intervention after surgery, and future plans for dealing with psychiatric issues in relation to epilepsy surgery, which consisted of a total of 24 items, to all members of the Japan Epilepsy Center Association (JEPICA)...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28407526/the-impact-of-antidepressants-on-seizure-frequency-and-depressive-and-anxiety-disorders-of-patients-with-epilepsy-is-it-worth-investigating
#8
Ramses Ribot, Bichun Ouyang, Andres M Kanner
PURPOSE: Depression and anxiety disorders in patients with epilepsy (PWE) remain under-recognized and under-treated, despite being the most common psychiatric co-morbidities. Selective serotonin re-uptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs) are considered first-line treatment for primary depression and anxiety disorders. We performed this study to investigate if SSRIs and SNRIs could affect the seizure frequency of PWE and to assess whether such effect is independent of the response of the mood and anxiety disorders to these drugs...
May 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28371670/panic-symptoms-in-transient-loss-of-consciousness-frequency-and-diagnostic-value-in-psychogenic-nonepileptic-seizures-epilepsy-and-syncope
#9
G H Rawlings, J Jamnadas-Khoda, M Broadhurst, R A Grünewald, S J Howell, M Koepp, S W Parry, S M Sisodiya, M C Walker, M Reuber
PURPOSE: Previous studies suggest that ictal panic symptoms are common in patients with psychogenic nonepileptic seizures (PNES). This study investigates the frequency of panic symptoms in PNES and if panic symptoms, just before or during episodes, can help distinguish PNES from the other common causes of transient loss of consciousness (TLOC), syncope and epilepsy. METHODS: Patients with secure diagnoses of PNES (n=98), epilepsy (n=95) and syncope (n=100) were identified using clinical databases from three United Kingdom hospitals...
March 27, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28318732/paroxysmal-events-during-prolonged-video-video-electroencephalography-monitoring-in-refractory-epilepsy
#10
A Sanabria-Castro, F Henríquez-Varela, C Monge-Bonilla, S Lara-Maier, M Sittenfeld-Appel
INTRODUCTION: Given that epileptic seizures and non-epileptic paroxysmal events have similar clinical manifestations, using specific diagnostic methods is crucial, especially in patients with drug-resistant epilepsy. Prolonged video electroencephalography monitoring during epileptic seizures reveals epileptiform discharges and has become an essential procedure for epilepsy diagnosis. The main purpose of this study is to characterise paroxysmal events and compare patterns in patients with refractory epilepsy...
March 16, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28315806/paroxysmal-nonepileptic-events-in-children-with-epilepsy
#11
Yuji Ito, Hiroyuki Kidokoro, Tamiko Negoro, Masaharu Tanaka, Yu Okai, Yoko Sakaguchi, Chikako Ogawa, Tomoya Takeuchi, Atsuko Ohno, Hiroyuki Yamamoto, Tomohiko Nakata, Satoshi Maesawa, Kazuyoshi Watanabe, Yoshiyuki Takahashi, Jun Natsume
OBJECTIVE: The aim of this study was to clarify the characteristics of paroxysmal nonepileptic events (PNEs) suspected as being epileptic seizures by families of children with epilepsy. METHODS: The video-EEG (vEEG) recordings of habitual paroxysmal events in children with epilepsy at Nagoya University Hospital between October 2006 and January 2016 were reviewed. Based on the doctor's suspicion before the vEEG, the PNEs were divided into two groups that included PNEs suspected as epileptic seizures and PNEs suspected as PNEs...
February 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28288363/the-role-of-postictal-laboratory-blood-analyses-in-the-diagnosis-and-prognosis-of-seizures
#12
REVIEW
Robert D Nass, Robert Sassen, Christian E Elger, Rainer Surges
BACKGROUND: Epileptic seizures (ES) lead to alterations in the blood laboratory values and reflect changes in different organ systems. Here, we review the diagnostic and prognostic value of various blood laboratory values within the context of epilepsy. METHODS: Narrative review and literature search on PubMed using the term, "seizure" and various laboratory values. RESULTS: Laboratory markers can help clinicians determine whether an unwitnessed event was more likely to be epileptic or non-epileptic...
April 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28275874/psychogenic-nonepileptic-seizures-a-concise-review
#13
REVIEW
Ali A Asadi-Pooya
Psychogenic nonepileptic seizures (PNES) are commonly diagnosed and treated at epilepsy centers; however, their neurobiology is still poorly understood. Diagnosis relies on a multidisciplinary evaluation and is usually based on different combinations of data. They are diagnosed most reliably by recording a seizure while under video-EEG monitoring. Treatment includes multiple phases. Fewer than 40% of adults with PNES are expected to become seizure-free within 5 years after diagnosis. This article presents a concise review of the current literature about the definition, diagnosis, epidemiology, clinical characteristics, treatment, and prognosis of PNES...
March 8, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28271336/the-relationship-between-headaches-with-epileptic-and-non-epileptic-seizures-a-narrative-review
#14
REVIEW
William S Kingston, Todd J Schwedt
PURPOSE OF REVIEW: The purpose of this review is to examine the relationship between headaches and epilepsy as well as headaches and psychogenic non-epileptic seizures (PNES). Emphasis was placed on clinical characteristics, pathophysiology, and treatment. RECENT FINDINGS: Epilepsy and headaches are common disorders that co-occur more often than would be expected by chance. There are some overlapping clinical features between migraine and epilepsy as well as evidence for shared underlying mechanisms...
March 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28251465/the-yield-of-non-elective-inpatient-video-eeg-monitoring-in-adults
#15
Jacques Theitler, Daniella Dassa, Revital Gandelman-Marton
BACKGROUND: Inpatient video-EEG monitoring (VEM) can contribute to the diagnosis and treatment in many of the monitored patients. Most admissions to VEM are elective and are scheduled ahead before the monitoring session. PURPOSE: To retrospectively evaluate the yield of non-elective VEM sessions. METHODS: We retrospectively reviewed the VEM recordings and medical records of all the patients admitted to our one-bed VEM unit from June 2007 to June 2015...
March 1, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28236725/diagnostic-implications-of-review-of-systems-questionnaires-to-differentiate-epileptic-seizures-from-psychogenic-seizures
#16
Wesley T Kerr, Emily A Janio, Chelsea T Braesch, Justine M Le, Jessica M Hori, Akash B Patel, Sarah E Barritt, Norma L Gallardo, Janar Bauirjan, Andrea M Chau, Eric S Hwang, Emily C Davis, David Torres-Barba, Andrew Y Cho, Jerome Engel, Mark S Cohen, John M Stern
OBJECTIVE: Early and accurate diagnosis of patients with psychogenic nonepileptic seizures (PNES) leads to appropriate treatment and improves long-term seizure prognosis. However, this is complicated by the need to record seizures to make a definitive diagnosis. Suspicion for PNES can be raised through knowledge that patients with PNES have increased somatic sensitivity and report more positive complaints on review-of-systems questionnaires (RoSQs) than patients with epileptic seizures...
April 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28222340/a-comparative-retrospective-exploration-of-the-profiles-of-patients-in-south-africa-diagnosed-with-epileptic-and-psychogenic-non-epileptic-seizures
#17
David G Anderson, Maria Damianova, Skye Hanekom, Marilyn Lucas
Psychogenic non-epileptic seizures (PNES) have a high prevalence globally but the accurate diagnosis of this condition still remains a challenge. This is particularly the case in countries where there is scarce expertise and insufficient affordable medical facilities to which patients have access. The rate of PNES diagnosis in epilepsy units is typically within the range of 20 to 30%. In the context of developing countries, this rate tends to be higher and increases demand on the existing scarce health care capacities...
April 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28185785/can-antibiotics-cause-a-psychosis-case-report-and-review-of-the-literature
#18
Duy Ly, Lynn E DeLisi
It is relatively unknown that some of the possible side effects of antibiotic treatment can be transient psychotic episodes and other encephalopathies such as seizure disorders. Since these are rare events, there have not been many studies about them, nor is there a clear understanding of the underlying basis for these symptoms. This phenomenon was recently brought to our attention by a patient whose case history is discussed here. For the past few years, he has been diagnosed at different times with schizophrenia, schizoaffective disorder, bipolar disorder with psychosis, temporal lobe epilepsy, and psychogenic nonepileptic seizures...
February 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28162058/prevalence-of-epilepsy-in-74-949-school-children-in-khartoum-state-sudan
#19
Inaam N Mohamed, Maha A Elseed, Ahlam A Hamed, Manar E Abdel-Rahman, Sarah M El-Sadig, Ilham M Omer, Abdelgadir H Osman, Ammar E Ahmed, Zein A Karrar, Mustafa A Salih
BACKGROUND: Data on childhood epilepsy in Sudan are scarce and the only published study on its prevalence was published in 1983. This study aimed to determine the current prevalence of epilepsy in school children in Khartoum State. METHODS: This is an analytical population-based, cross-sectional study conducted in Khartoum State, Sudan. The study included students in the basic (primary) schools aged 6-14 years. Simple random sampling was used to draw a cluster of four of the seven localities comprising Khartoum State...
February 6, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28131930/the-approach-to-patients-with-psychogenic-nonepileptic-seizures-in-epilepsy-surgery-centers-regarding-diagnosis-treatment-and-education
#20
Kette D Valente, Luciano De Paola, Andre Palmini, Eduardo Faveret, Gerardo Maria de Araujo-Filho, Helio van der Linden, Marino M Bianchin, Roger Walz, Rudá Alessi, Tonicarlo Velasco, Wagner A Teixeira, W Curt LaFrance
Previous studies, using surveys, provided an understanding about how health-care providers address patients with PNES. To date, there is limited information on the management of patients with PNES by tertiary referral centers for epilepsy. In this study, we surveyed 11 Brazilian epilepsy center directors about diagnosis, treatment, education and research on PNES. Respondents reported that patients with PNES represented 10-20% of all adult patients recorded by video-EEG (VEEG). All respondents recognized VEEG as the method to confirm the diagnosis, and 81...
March 2017: Epilepsy & Behavior: E&B
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