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Psychogenic Seizures

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https://www.readbyqxmd.com/read/27908324/-psychotherapeutic-treatment-of-psychogenic-non-epileptic-seizures
#1
Dröfn Hilmarsdóttir, Steffen Birk, Charlotte Ulrikka Rask
Psychogenic non-epileptic seizures (PNES) are seizures which clinically resemble epileptic seizures but are without concurrent abnormal electrical charges. Though PNES can be just as serious and disabling as epileptic seizures, specific treatment guidelines are lacking, and different types of treatments are used. In this article we address the current research on psychotherapeutic treatment for PNES by discussing recent reviews and six randomized controlled trials (RCTs) on the subject. In conclusion, larger well-designed RCTs are needed in order to support the evidence for psychological interventions for this patient group...
November 28, 2016: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27898362/psychogenic-non-epileptic-seizure-in-patients-with-intellectual-disability-with-special-focus-on-choice-of-therapeutic-intervention
#2
Kousuke Kanemoto, Hiroko Goji, Yukari Tadokoro, Etsushi Kato, Tomohiro Oshima
PURPOSE: There have been a number of studies exploring treatments for psychogenic non-epileptic seizure (PNES) but largely neglecting the sizable subgroup of patients with intellectual disability (ID). In the present study, we attempted to demonstrate effects and preferred modes of therapeutic intervention in PNES patients with ID being treated at a Japanese municipal center with a short referral chain. METHODS: We examined 46 PNES patients with ID (ID group) and 106 PNES patients without ID (non-ID group) retrospectively in case charts...
November 14, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27863319/aberrant-gamma-band-cortical-sources-and-functional-connectivity-in-adolescents-with-psychogenic-non-epileptic-seizures-a-preliminary-report
#3
Shreekantiah Umesh, Sai Krishna Tikka, Nishant Goyal, Vinod Kumar Sinha, Shamshul Haque Nizamie
Psychogenic non-epileptic seizures (PNES) resemble epileptic seizures, but lack clinically evident abnormal electrical activity in the brain. We aimed to assess resting gamma spectral power, current source distribution and functional connectivity in adolescents with PNES. Interictal, 32 channels electroencephalographic recording of 15 adolescents with PNES was compared with 10 matched healthy controls. Spectral power, current source distribution and lagged linear coherence were assessed. Statistically significant gamma spectral power, cortical sources and connectivity pattern was found in some brain areas...
November 10, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27845151/data-fusion-for-paroxysmal-events-classification-from-eeg
#4
Evangelia Pippa, Evangelia I Zacharaki, Michael Koutroumanidis, Vasileios Megalooikonomou
BACKGROUND: Spatiotemporal analysis of electroencephalography is commonly used for classification of events since it allows capturing dependencies across channels. The significant increase of feature vector dimensionality however introduce noise and thus it does not allow the classification models to be trained using a limited number of samples usually available in clinical studies. NEW METHOD: Thus, we investigate the classification of epileptic and non-epileptic events based on temporal and spectral analysis through the application of three different fusion schemes for the combination of information across channels...
November 11, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/27818795/juvenile-myoclonic-epilepsy-in-rural-western-india-not-yet-a-benign-syndrome
#5
Devangi Desai, Soaham Desai, Trilok Jani
Purpose. To study prevalence of uncontrolled seizures in patients with juvenile myoclonic epilepsy [JME] and assess factors responsible for it. Methods. An ambispective study of all patients with JME attending our epilepsy clinic was done. We recruited all patients with JME evaluated between 1 January 2009 and 31 December 2013 and followed them up to 31 December 2015. Results. Amongst 876 patients with epilepsy, JME was present in 73 patients. Amongst them, 53 [72.6%] had uncontrolled seizures prior to neurology consultation...
2016: Epilepsy Research and Treatment
https://www.readbyqxmd.com/read/27818368/psychogenic-non-epileptic-seizures
#6
Robert C Doss, W Curt LaFrance
Psychogenic non-epileptic seizures (PNES) are diagnosed in at least 10-40% of the patients seen for long-term monitoring of epilepsy, and it is no surprise that patients with PNES are often treated for epilepsy. Given the substantial economic costs and mental health burden of misdiagnosis, it is imperative to establish early identification, correct diagnosis, and effective treatment of PNES in order to provide the greatest opportunity for remission of events, improved psychological functioning, and social-vocational outcome...
November 4, 2016: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/27776298/neurologists-can-identify-diagnostic-linguistic-features-during-routine-seizure-clinic-interactions-results-of-a-one-day-teaching-intervention
#7
Laura Jenkins, Jeremy Cosgrove, Paul Chappell, Ammar Kheder, Dilraj Sokhi, Markus Reuber
The diagnostic distinction between epilepsy and psychogenic nonepileptic seizures (PNES) can be challenging. Previous studies have demonstrated that experts in conversation analysis can identify linguistic and interactional features in transcripts and recordings of interviews with patients that reliably distinguish between epilepsy and PNES. In this study, ten senior neurology trainees took part in a one-day intervention workshop about linguistic and interactional differences in the conversation behavior of patients with epilepsy and those with PNES...
October 21, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27768938/hyperammonaemia-and-associated-factors-in-unprovoked-convulsive-seizures-a-cross-sectional-study
#8
Kenichiro Sato, Noritoshi Arai, Aki Omori, Ayumi Hida, Akio Kimura, Sousuke Takeuchi
PURPOSE: Hyperammonaemia is frequently observed in patients who have experienced convulsive seizures. Although excessive muscle contraction is presumed to be responsible for the elevated levels of ammonia, the underlying mechanism is poorly understood. The present study aimed to identify the independent factors associated with ammonia elevation using large-scale multivariate analysis. METHODS: We conducted a cross-sectional study involving 379 adult patients who had been transported to our emergency department and treated for unprovoked convulsive seizures between August 2010 and September 2015...
October 6, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27743551/early-childhood-trauma-and-hippocampal-volumes-in-patients-with-epileptic-and-psychogenic-seizures
#9
Benjamin Johnstone, Dennis Velakoulis, Cheng Yi Yuan, Anthony Ang, Chris Steward, Patricia Desmond, Terence J O'Brien
OBJECTIVE: Exposure to early life childhood trauma has been implicated as resulting in a vulnerability to epileptic and psychogenic nonepileptic seizures (PNES), hippocampal atrophy, and psychiatric disorders. This study aimed to explore the relationships between childhood trauma, epilepsy, PNES, and hippocampal volume in patients admitted to a video-electroencephalogram monitoring (VEM) unit. METHODS: One hundred thirty-one patients were recruited from the Royal Melbourne Hospital VEM unit...
November 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27733231/a-woman-with-psychogenic-non-epileptic-seizures-and-pelvic-mass
#10
Teng-da Xu, Sheng-Yong Xu, Jia-Yuan Dai
No abstract text is available yet for this article.
September 20, 2016: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/27728900/psychogenic-seizures-and-medical-humor-jokes-as-a-damaging-defense
#11
Benjamin Tolchin, Gaston Baslet, Barbara Dworetzky
No abstract text is available yet for this article.
October 7, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27723497/communicating-diagnostic-certainty-of-psychogenic-nonepileptic-seizures-a-national-study-of-provider-documentation
#12
Hamada H Altalib, Khalid Elzamzamy, Mary Jo Pugh, Javier Ballester Gonzalez, Kei-Hoi Cheung, Brenda T Fenton, Robert D Kerns, Cynthia A Brandt, W Curt LaFrance
Management of psychogenic nonepileptic seizures (PNES) requires collaboration among and between health care professionals. Although criteria are established for diagnosis of PNES, miscommunication between neurologists, primary care providers, and mental health professionals may occur if the clinical impression is not clearly articulated. We extracted progress notes from the Department of Veterans Affairs (VA) electronic health record (EHR) nationally to study veterans who were evaluated for PNES. Of the 750 patients being worked up for PNES, the majority of patients did not meet criteria for PNES (64...
October 7, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27723496/ictal-verbal-help-seeking-occurrence-and-the-underlying-etiology
#13
Ali A Asadi-Pooya, Marjan Asadollahi, Krzysztof Bujarski, Amin H Rabiei, Narsis Aminian, Dale Wyeth, Michael R Sperling
PURPOSE: Ictal verbal help-seeking has never been systematically studied before. In this study, we evaluated a series of patients with ictal verbal help-seeking to characterize its frequency and underlying etiology. METHODS: We retrospectively reviewed all the long-term video-EEG reports from Jefferson Comprehensive Epilepsy Center over a 12-year period (2004-2015) for the occurrence of the term "help" in the text body. All the extracted reports were reviewed and patients with at least one episode of documented ictal verbal help-seeking in epilepsy monitoring unit (EMU) were studied...
October 7, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27723495/semiological-classification-of-psychogenic-nonepileptic-seizures
#14
Ali A Asadi-Pooya, Jennifer Tinker, Elizabeth Fletman
PURPOSE: We classified patients with psychogenic nonepileptic seizures (PNESs) according to a newly proposed classification system. Then, we investigated the demographic and clinical differences between various classes of the patients. METHODS: We retrospectively investigated all patients with PNESs admitted to the Jefferson Comprehensive Epilepsy Center from 2012 through 2016. We classified the patients into four distinct classes: patients with generalized motor seizures, patients with akinetic seizures, patients with focal motor seizures, and patients with seizures with subjective symptoms...
October 7, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27719869/prognosis-of-functional-neurologic-disorders
#15
J Gelauff, J Stone
The prognosis of functional (psychogenic) neurologic disorders is important in being able to help answer patients' and carers' questions, determine whether treatment is worthwhile, and to find out which factors predict outcome. We reviewed data on prognosis of functional neurologic disorders from two systematic reviews on functional motor disorders and dissociative (nonepileptic) seizures as well as additional studies on functional visual and sensory symptoms. Methodologic problems include heterogeneity in studied samples and outcome measures, diagnostic suspicion and referral bias, small size and retrospective design of available studies, possible treatments during follow-up, and literature review bias...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719868/factitious-disorders-and-malingering-in-relation-to-functional-neurologic-disorders
#16
C Bass, P Halligan
Interest in malingering has grown in recent years, and is reflected in the exponential increase in academic publications since 1990. Although malingering is more commonly detected in medicolegal practice, it is not an all-or-nothing presentation and moreover can vary in the extent of presentation. As a nonmedical disorder, the challenge for clinical practice remains that malingering by definition is intentional and deliberate. As such, clinical skills alone are often insufficient to detect it and we describe psychometric tests such as symptom validity tests and relevant nonmedical investigations...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719851/psychogenic-nonepileptic-seizures-eeg-and-investigation
#17
R Duncan
In the investigation of psychogenic nonepileptic seizures (PNES), the main differential diagnoses are between convulsive PNES and tonic-clonic seizures, between swoon PNES and syncope, and between pseudoabsence PNES and absence seizures. For the best diagnostic certainty, events must be captured, ideally using video-electroencephalogram (EEG), including an electrocardiographic channel. The "video" part of video-EEG allows EEG changes (or lack of them) to be interpreted in the appropriate clinical context. When the diagnosis is based on less good data (e...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719849/nonepileptic-seizures-objective-phenomena
#18
W Curt Lafrance, R Ranieri, A S Blum
This chapter describes the evaluation process for the diagnosis of psychogenic nonepileptic seizures (PNES), which is determined based on concordance of the composite evidence available, including historic and physical exam findings, seizure semiology, and ictal/interictal electroencephalogram (EEG). No single clinical feature is pathognomonic of PNES. The diagnosis of PNES can be at times challenging, such as when seizure documentation on video-EEG cannot be readily achieved. A multicomponent approach to the diagnosis of PNES, with use of all available evidence, may facilitate diagnosis and then care of patients with PNES...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719848/nonepileptic-seizures-subjective-phenomena
#19
M Reuber, G H Rawlings
Psychogenic nonepileptic seizures (PNES) superficially resemble epileptic seizures or syncope and most patients with PNES are initially misdiagnosed as having one of the latter two types of transient loss of consciousness. However, evidence suggests that the subjective seizure experience of PNES and its main differential diagnoses are as different as the causes of these three disorders. In spite of this, and regardless of the fact that PNES are considered a mental disorder in the current nosologies, research has only given limited attention to the subjective symptomatology of PNES...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27719839/neurologic-diagnostic-criteria-for-functional-neurologic-disorders
#20
C Gasca-Salas, A E Lang
The diagnosis of functional neurologic disorders can be challenging. In this chapter we review the diagnostic criteria and rating scales reported for functional/psychogenic sensorimotor disturbances, psychogenic nonepileptic seizures (PNES) and functional movement disorders (FMD). A recently published scale for sensorimotor signs has some limitations, but may help in the diagnosis, and four motor and two sensory signs have been reported as highly reliable. There is good evidence using eight specific signs for the differentiation of PNES from seizures...
2017: Handbook of Clinical Neurology
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