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Electroconvulsive eeg

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https://www.readbyqxmd.com/read/28640168/degree-of-postictal-suppression-depends-on-seizure-induction-time-in-magnetic-seizure-therapy-and-electroconvulsive-therapy
#1
Sarah Kayser, Bettina H Bewernick, Martin Soehle, Christina Switala, Sabrina M Gippert, Nadine Dreimueller, Thomas E Schlaepfer
OBJECTIVES: Anesthesia is required for both magnetic seizure therapy (MST) and electroconvulsive therapy (ECT), although it has anticonvulsant properties. In this case, bispectral index (BIS) monitoring, a specific electroencephalogram-derived monitoring, can be used to find the optimal seizure induction time during anesthesia to elicit adequate seizures. A measurement of seizure adequacy in electroencephalogram is the postictal suppression. The purpose of this study was to investigate the influence of seizure induction time on the degree of postictal suppression by comparing BIS versus no-BIS monitoring in MST and ECT...
June 20, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28575344/raw-eeg-characteristics-bispectral-index-and-suppression-ratio-variations-during-generalized-seizure-in-electroconvulsive-therapy
#2
A Ntahe, G Fournis, B Gohier, L Beydon
No abstract text is available yet for this article.
June 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28570500/concurrent-electroconvulsive-therapy-and-bupropion-treatment
#3
Christopher R Takala, Jonathan G Leung, Lauren L Murphy, Jennifer R Geske, Brian A Palmer
BACKGROUND: Bupropion is associated with a dose-dependent increased risk of seizures. Use of concomitant bupropion and electroconvulsive therapy (ECT) remains controversial because of an increased risk of prolonged seizures. This is the first systematic evaluation of the effect of bupropion on ECT. METHODS: A case group (n = 119), patients treated with concomitant ECT and bupropion, was compared with an age and gender frequency-matched control group (n = 261), treated with only ECT...
May 31, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28455892/psychotic-symptoms-as-a-complication-of-electroconvulsive-therapy-a-case-report
#4
Anna Antosik-Wójcińska, Magdalena Chojnacka, Łukasz Święcicki
We report a patient who experienced atypical symptoms in the course of electroconvulsive therapy (ECT). During ECT treatment patient experienced psychotic symptoms which should be differentiated with prolonged delirium and nonconvulsive status epilepticus. 46-year-old female was referred to hospital with a diagnosis of major depressive disorder with no psychotic features in the course of recurrent depression. Despite several changes of pharmacological treatment no improvement was achieved, therefore it was decided to initiate ECT...
February 26, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/28424861/s-ketamine-compared-to-etomidate-during-electroconvulsive-therapy-in-major-depression
#5
Maxim Zavorotnyy, Ina Kluge, Kathrin Ahrens, Thomas Wohltmann, Benjamin Köhnlein, Patricia Dietsche, Udo Dannlowski, Tilo Kircher, Carsten Konrad
Objective of the study was to compare two commonly used anesthetic drugs, S-ketamine and etomidate, regarding their influence on seizure characteristics, safety aspects, and outcome of electroconvulsive therapy (ECT) in major depression. Treatment data of 60 patients who underwent a total number of 13 ECTs (median) because of the severe or treatment-resistant major depressive disorder (DSM-IV) were analyzed. Etomidate, mean dosage (SD) = 0.25 (0.04) mg/kg, was used for anesthesia in 29 participants; 31 patients received S-ketamine, mean dosage (SD) = 0...
April 19, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28263242/dexmedetomidine-combined-with-intravenous-anesthetics-in-electroconvulsive-therapy-a-meta-analysis-and-systematic-review
#6
Xiang Li, Fang Tan, Nan Cheng, Na Guo, Zhi-Yong Zhong, Zi-Qing Hei, Qian-Qian Zhu, Shao-Li Zhou
OBJECTIVE: The aim of this study was to investigate how the combined use of dexmedetomidine with intravenous anesthetics influences seizure duration and circulatory dynamics in electroconvulsive therapy (ECT). METHODS: A literature search was performed to identify studies that evaluated the effect of dexmedetomidine on motor- or electroencephalogram (EEG)-based seizure durations and maximum mean arterial pressure (MAP) and heart rate (HR) after ECT. Moreover, recovery time and post-ECT agitation were evaluated...
March 4, 2017: Journal of ECT
https://www.readbyqxmd.com/read/28236994/-electroconvulsive-therapy-and-level-of-evidence-from-causality-to-dose-effect-relationship
#7
J-A Micoulaud-Franchi, C Quilès, M Cermolacce, R Belzeaux, M Adida, E Fakra, J-M Azorin
OBJECTIVES: The first objective of this article is to summarize the history of electroconvulsive therapy (ECT) in psychiatry in order to highlight the transition from clinical level of evidence based on phenomenological descriptions to controlled trial establishing causal relationship. The second objective is to apply the criteria of causation for ECT, to focus on the dose-effect relationship criteria, and thus to analyze the conditions of application of these criteria for ECT. METHODS: A literature review exploring the use of electricity, ECT and electroencephalography (EEG) in psychiatry was conducted...
December 2016: L'Encéphale
https://www.readbyqxmd.com/read/28235531/effects-of-the-concurrent-use-of-a-reduced-dose-of-propofol-with-divided-supplemental-remifentanil-and-moderate-hyperventilation-on-duration-and-morphology-of-electroconvulsive-therapy-induced-electroencephalographic-seizure-activity-a-randomized-controlled
#8
Kohki Nishikawa, Michiaki Yamakage
STUDY OBJECTIVE: The clinical adequacy of electroconvulsive therapy (ECT) depends on not only seizure duration but also seizure amplitude and postictal suppression. The objective of this study was to evaluate the effects of combination of a reduced dose of propofol and moderate hyperventilation on seizure duration and electrical stimulus requirement for adequate ictal amplitude and postictal suppression. DESIGN: Prospective, randomized, controlled trial. SETTING: Operating room at a municipal hospital...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27984098/dynamic-cross-entropy
#9
Dorian Aur, Fidel Vila-Rodriguez
BACKGROUND: Complexity measures for time series have been used in many applications to quantify the regularity of one dimensional time series, however many dynamical systems are spatially distributed multidimensional systems. NEW METHOD: We introduced Dynamic Cross-Entropy (DCE) a novel multidimensional complexity measure that quantifies the degree of regularity of EEG signals in selected frequency bands. Time series generated by discrete logistic equations with varying control parameter r are used to test DCE measures...
October 28, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/27666327/temporal-lobe-epilepsy-following-maintenance-electroconvulsive-therapy-electrical-kindling-in-the-human-brain
#10
Alexander Bryson, Helen Gardner, Ian Wilson, Tim Rolfe, John Archer
Maintenance electroconvulsive therapy (ECT) is sometimes prescribed for refractory psychiatric conditions. We describe five patients who received maintenance ECT and developed florid temporal epileptiform abnormalities on electroencephalography (EEG) despite no history of epilepsy and normal neuroimaging. All patients had received regular ECT for at least 8 months. Three patients had clinical events consistent with epileptic seizures, and video-EEG monitoring captured electrographic seizures in two patients...
November 2016: Epilepsia
https://www.readbyqxmd.com/read/27513252/sevoflurane-versus-propofol-for-electroconvulsive-therapy-effects-on-seizure-parameters-anesthesia-recovery-and-the-bispectral-index
#11
Melekşah Pekel, Nadide Aysun Postaci, İsmail Aytaç, Derya Karasu, Hüseyin Keleş, Özlem Şen, Bayazit Dikmen, Erol Göka
BACKGROUND/AIM: In this prospective randomized cross-over study we compare the effects of sevoflurane versus propofol for electroconvulsive therapy (ECT) anesthesia. MATERIALS AND METHODS: Twenty four patients (ASA I-III, 18-65 years old) receiving ECT three times per week were included. Anesthesia was induced with either propofol (0.75 mg/kg iv) or 5% sevoflurane in 100% oxygen. Consecutive ECT sessions followed a 2 × 2 crossover design and a 2-day washout period until the 10th ECT...
2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27462511/effects-of-modified-electroconvulsive-therapy-on-the-electroencephalogram-of-schizophrenia-patients
#12
Ling Zhao, Yansheng Jiang, Hongxing Zhang
BACKGROUND: This study aimed to investigate the modified electroconvulsive therapy (MECT) on the electroencephalogram (EEG) of schizophrenia patients. A total of 26 schizophrenia patients who received MECT were recruited. EEG recording was initiated at 30 min before 1st and 6th MECT and terminated on the 2nd day. Images without artifacts were selected for the analysis of δ, θ, α1, α2 and β bands. The wave energy at each frequency, index of waves at different bands from the same lead, index of waves at the same band from different leads, time of epileptic discharge, time of resting state, and time to the stable EEG were determined and compared...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27029661/the-effect-of-adjuvant-remifentanil-with-propofol-or-thiopentone-on-seizure-quality-during-electroconvulsive-therapy
#13
R MacPherson, M Marroquin-Harris, V Gálvez, P Tor, C Loo
In order to optimise outcome to Electro Convulsive therapy (ECT), there has been a trend to utilise remifentanil as an adjunct to standard intravenous induction agents. This has allowed a reduction in the dose of anaesthetic agent, and usually an improved response to stimulation. However there have been no previous studies to ascertain whether this improvement is simply as a result of the reduced dose of anaesthetic agent or whether remifentanil itself might possess epileptogenic properties. This retrospective case-controlled study examined ECT outcomes, determined by EEG quality analysis, in patients who received ECT with or without remifentanil, where there was no dose reduction in the anaesthetic agent...
March 2016: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/27008331/representations-of-ect-in-english-language-film-and-television-in-the-new-millennium
#14
Avery Madeleine Matthews, Peter B Rosenquist, William Vaughn McCall
OBJECTIVE: The aim of the study was to survey the media landscape to determine whether visual depictions of electroconvulsive therapy (ECT) are becoming more or less medically accurate in the new millennium. METHOD: English-language film and television shows depicting ECT were analyzed for patient demographics, administrator roles, indication, consent, anesthesia, paralytics, bite block, lead placement, electroencephalogram, and outcome. RESULTS: Thirty-nine ECT scenes were viewed, and just 3 included all 5 essential tools of modern ECT: anesthesia, paralytic, electrodes, electroencephalogram, and a bite block...
September 2016: Journal of ECT
https://www.readbyqxmd.com/read/26822480/remifentanil-in-electroconvulsive-therapy-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#15
REVIEW
Yoshiteru Takekita, Taro Suwa, Naotaka Sunada, Hirotsugu Kawashima, Chiara Fabbri, Masaki Kato, Aran Tajika, Toshihiko Kinoshita, Toshi A Furukawa, Alessandro Serretti
In electroconvulsive therapy (ECT), remifentanil is often used concurrently with anesthetics. The objective of this study was to provide an up-to-date and comprehensive review on how the addition of remifentanil to anesthetics affects seizure duration and circulatory dynamics in mECT. We performed a meta-analysis of RCTs that investigated seizure duration and circulatory dynamics in patients treated with ECT using anesthetics alone (non-remifentanil group) and with anesthetics plus remifentanil (remifentanil group)...
December 2016: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/26776393/-negative-symptoms-of-schizophrenia-from-electrophysiology-to-electrotherapy
#16
REVIEW
J-A Micoulaud Franchi, C Quiles, R Belzeaux, M Adida, J-M Azorin
The aim of this review of the literature is to summarize the state of the knowledge concerning the relationship between negative symptoms in schizophrenia, electrophysiology and electrotherapy. The scientific literature search of international articles was performed during August and September 2015 using the PubMed electronic database. We used the following MeSH terms: "Negative symptoms", "Schizophrenia", "Electrophysiology", "Neurophysiology", "EEG power", "Alpha rhythm", "Transcranial magnetic stimulation", "Transcranial direct current stimulation", "Electroconvulsive therapy", "Neurofeedback", "Vagus Nerve Stimulation", "Deep Brain Stimulation", and "State dependent"...
December 2015: L'Encéphale
https://www.readbyqxmd.com/read/26736728/brain-network-properties-in-depressed-patients-receiving-seizure-therapy-a-graph-theoretical-analysis-of-peri-treatment-resting-eeg
#17
RANDOMIZED CONTROLLED TRIAL
Zhi-De Deng, Shawn M McClinctock, Sarah H Lisanby
Electroconvulsive therapy (ECT), the most efficacious antidepressant therapy for treatment-resistant depression, has been reported to alter functional brain network architecture by down-regulating connectivity in frontotemporal circuitry. Magnetic seizure therapy (MST), which induces therapeutic seizures with high dose repetitive transcranial magnetic stimulation, has been introduced to improve the seizure therapy risk/benefit ratio. Unfortunately, there is limited understanding of seizure therapy's underlying mechanisms of action...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/26663628/acute-psychosis-due-to-non-paraneoplastic-anti-nmda-receptor-encephalitis-in-a-teenage-girl-case-report
#18
Sandra Kramina, Laura Kevere, Nikita Bezborodovs, Santa Purvina, Guntis Rozentals, Jurgis Strautmanis, Zane Viksna
Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis is a disease occurring when antibodies produced by the body's own immune system attack NMDA-type glutamate receptors in the brain. Most anti-NMDAR encephalitis cases are associated with paraneoplastic syndrome. We analyze the case of a 15-year-old girl who was hospitalized in a child psychiatry clinic in Riga, Latvia, with de novo acute polymorphic psychotic disorder gradually progressing to a catatonic state. The patient received antipsychotic and electroconvulsive therapy with no beneficial effect...
December 2015: PsyCh Journal
https://www.readbyqxmd.com/read/26075471/diagnosis-etiology-and-treatment-of-nonconvulsive-status-epilepticus-a-semiological-oriented-review
#19
REVIEW
Pedro Beleza, João Rocha, João Pinho
BACKGROUND: Nonconvulsive status epilepticus (NCSE) defines a prolonged electrographic seizure activity resulting in nonconvulsive symptoms. Semiology is a crucial element in diagnosis, etiological evaluation, and treatment plan of NCSE. It includes mostly generalized myoclonic status (GMS), focal simple motor status (FSMS), and dyscognitive status (DS). REVIEW SUMMARY: This review aims to guide clinicians in diagnosis, etiological evaluation, and treatment of patients with NCSE based on semiological presentation...
June 2015: Neurologist
https://www.readbyqxmd.com/read/25973770/flatliner-notes-troubleshooting-a-faulty-eeg-recording-or-a-case-of-preictal-suppression
#20
Peter B Rosenquist, W Vaughn McCall
Modern electroconvulsive therapy devices are largely trouble free but will periodically malfunction. We present a systematic approach to correction of a failure in the electroencephalogram recording capability of our Thymatron System IV machine.
March 2016: Journal of ECT
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