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Psychogenic Seizures

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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/28501288/recurrent-episodes-of-brief-global-amnesia-related-to-intrathecal-baclofen-pump-originally-mistaken-for-psychogenic-nonepileptic-seizures
#2
David Rosenblum, Gulam Noorani, Paul H Desan
No abstract text is available yet for this article.
March 16, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28464309/psychiatric-and-behavioral-comorbidities-in-epilepsy-a-critical-reappraisal
#3
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
#4
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/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/28427021/risk-factors-for-learning-problems-in-youth-with-psychogenic-non-epileptic-seizures
#6
Julia Doss, Rochelle Caplan, Prabha Siddarth, Brenda Bursch, Tatiana Falcone, Marcy Forgey, Kyle Hinman, W Curt LaFrance, Rebecca Laptook, Richard Shaw, Deborah Weisbrot, Matthew Willis, Sigita Plioplys
OBJECTIVES: This study examined the risk factors for learning problems (LP) in pediatric psychogenic non-epileptic seizures (PNES) and their specificity by comparing psychopathology, medical, cognitive/linguistic/achievement, bullying history, and parent education variables between subjects with PNES with and without LP and between subjects with PNES and siblings with LP. METHODS: 55 subjects with PNES and 35 siblings, aged 8-18years, underwent cognitive, linguistic, and achievement testing, and completed somatization and anxiety sensitivity questionnaires...
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
#7
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/28412926/acute-symptomatic-seizures-in-geriatric-patients-with-multiple-risk-factors-a-diagnostic-challenge
#8
Ralf Landwehr, Robert Liszka
Acute symptomatic seizures and epileptic disorders are frequent health problems of elderly patients. An early and reliable distinction of the seizure etiology is important to ensure adequate treatment, and to prevent unwarranted diagnostic and therapeutic procedures. The most common causes of acute symptomatic seizures - acute cerebrovascular disorders, metabolic disorders, traumatic brain injury, meningo-encephalitis, cerebral tumors, and withdrawal of alcohol and other central agents - are well-defined and seem to permit straightforward diagnostic and therapeutic strategies...
April 13, 2017: Current Aging Science
https://www.readbyqxmd.com/read/28411517/pre-and-post-surgical-psychiatric-assessments-and-intervention-by-major-epilepsy-centers-in-japan-nationwide-survey
#9
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
#10
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
#11
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/28341888/the-respiratory-control-of-carbon-dioxide-in-children-and-adolescents-referred-for-treatment-of-psychogenic-non-epileptic-seizures
#12
Kasia Kozlowska, Reena Rampersad, Catherine Cruz, Ubaid Shah, Catherine Chudleigh, Samantha Soe, Deepak Gill, Stephen Scher, Pascal Carrive
Psychogenic non-epileptic seizures (PNES) are a common problem in paediatric neurology and psychiatry that can best be understood as atypical responses to threat. Threats activate the body for action by mediating increases in arousal, respiration, and motor readiness. In previous studies, a range of cardiac, endocrine, brain-based, attention-bias, and behavioral measures have been used to demonstrate increases in arousal, vigilance, and motor readiness in patients with PNES. The current study uses respiratory measures to assess both the motor readiness of the respiratory system and the respiratory regulation of CO2...
March 24, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28318732/paroxysmal-events-during-prolonged-video-video-electroencephalography-monitoring-in-refractory-epilepsy
#13
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
#14
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/28314521/orienting-reaction-may-help-recognition-of-patients-with-psychogenic-nonepileptic-seizures
#15
Murat Yalçın, Evrim Tellioğlu, Ayşegül Gündüz, Mine Özmen, Naz Yeni, Çiğdem Özkara, Meral E Kiziltan
OBJECTIVE: Psychogenic nonepileptic seizures (PNES) are abrupt, paroxysmal changes in behavior or consciousness that may phenomenologically resemble epileptic seizures. Given the known association between anxiety and PNES, we hypothesized that in these subjects there may be evidence that the nervous system is hypersensitive to external stimuli. We aimed to test our hypothesis by means of the auditory startle reaction (ASR). By investigating ASR, we also had the opportunity to test presence of orienting reaction, which is generally defined as the second phase of response after the auditory stimulus, with longer latency...
March 14, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28291980/psychogenic-non-epileptic-seizure-status-diagnostic-and-treatment-challenge
#16
Silvio Basic, Ivana Markovic, Davor Sporis, Ivana Susak Sporis, Igor Filipcic
No abstract text is available yet for this article.
March 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28288363/the-role-of-postictal-laboratory-blood-analyses-in-the-diagnosis-and-prognosis-of-seizures
#17
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
#18
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
#19
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/28268494/gaussian-mixture-model-for-the-identification-of-psychogenic-non-epileptic-seizures-using-a-wearable-accelerometer-sensor
#20
Shitanshu Kusmakar, Ramanathan Muthuganapathy, Bernard Yan, Terence J O'Brien, Marimuthu Palaniswami
Any abnormal hypersynchronus activity of neurons can be characterized as an epileptic seizure (ES). A broad class of non-epileptic seizures is comprised of Psychogenic non-epileptic seizures (PNES). PNES are paroxysmal events, which mimics epileptic seizures and pose a diagnostic challenge with epileptic seizures due to their clinical similarities. The diagnosis of PNES is done using video-electroencephalography (VEM) monitoring. VEM being a resource intensive process calls for alternative methods for detection of PNES...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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