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  • Article
  • Open Access
1 Citations
2,048 Views
10 Pages

Etiology and Mortality of Nonconvulsive Status Epilepticus

  • Firdevs Ezgi Uçan Tokuç,
  • Emine Görgülü,
  • Fatma Genç,
  • Meltem Korucuk,
  • Abidin Erdal and
  • Yasemin Biçer Gömceli

Objectives: Nonconvulsive status epilepticus (NCSE) is a disease with a high mortality rate and a very diverse etiology. The disease prognosis is related to the etiology. We aimed to investigate the etiology, mortality rates, and factors affecting mo...

  • Article
  • Open Access
5 Citations
2,671 Views
12 Pages

The Impact of Nonconvulsive Status Epilepticus after Cardiac Surgery on Outcome

  • Keso Skhirtladze-Dworschak,
  • Alessia Felli,
  • Susanne Aull-Watschinger,
  • Rebekka Jung,
  • Mohamed Mouhieddine,
  • Andreas Zuckermann,
  • Edda Tschernko,
  • Martin Dworschak and
  • Ekaterina Pataraia

26 September 2022

Neurological complications after heart surgery are associated with tremendous morbidity and mortality. Nonconvulsive status epilepticus (NCSE), which can only be verified by EEG, may cause secondary brain damage. Its frequency and its impact on outco...

  • Review
  • Open Access
385 Views
34 Pages

Point-of-Care EEG for Non-Convulsive Seizure and Status Epilepticus: Advances, Limitations, and Future Directions

  • Ana Leticia Fornari Caprara,
  • Jamir Pitton Rissardo,
  • Hana Rababeh,
  • April Pivonka,
  • Priya Shah,
  • Kaitlyn Piotrowski,
  • Matthew George Petruncio,
  • Anusha Keshireddy,
  • Zehra Jaffri and
  • Evren Burakgazi-Dalkilic
  • + 4 authors

22 February 2026

Point-of-care electroencephalography (POC-EEG) has emerged as a practical tool for the rapid detection of non-convulsive seizures (NCS) and non-convulsive status epilepticus (NCSE) in acute neurological settings where access to conventional EEG is of...

  • Article
  • Open Access
5 Citations
3,698 Views
9 Pages

Non-Convulsive Status Epilepticus in Aneurysmal Subarachnoid Hemorrhage: A Prognostic Parameter

  • Martin Vychopen,
  • Tim Lampmann,
  • Harun Asoglu,
  • Agi Güresir,
  • Hartmut Vatter,
  • Johannes Wach and
  • Erdem Güresir

22 January 2023

A non-convulsive status epilepticus (ncSE) is a potentially fatal complication for patients in neurointensive care. In patients with aneurysmal subarachnoid hemorrhage (SAH), ncSE remains scarcely investigated. In this study, we aim to investigate th...

  • Technical Note
  • Open Access
7 Citations
3,383 Views
15 Pages

20 September 2023

Central nervous system (CNS) disorders are among the most frequent presentations in critically ill children. Status epilepticus (SE) is a frequent scenario in the resuscitation bay. In patients with altered mental status, non-convulsive SE (NCSE) is...

  • Case Report
  • Open Access
2 Citations
2,414 Views
10 Pages

11 August 2023

Acute encephalopathy with biphasic seizures and reduced diffusion (AESD) is characterized by biphasic seizures following febrile viral infections and delayed reduced diffusion of the cerebral white matter on magnetic resonance imaging (MRI) diffusion...

  • Review
  • Open Access
6 Citations
3,528 Views
48 Pages

Point-of-Care Electroencephalography in Acute Neurological Care: A Narrative Review

  • Roberto Fratangelo,
  • Francesco Lolli,
  • Maenia Scarpino and
  • Antonello Grippo

Point-of-care electroencephalography (POC-EEG) systems are rapid-access, reduced-montage devices designed to address the limitations of conventional EEG (conv-EEG), enabling faster neurophysiological assessment in acute settings. This review evaluate...

  • Article
  • Open Access
4 Citations
3,835 Views
16 Pages

Inhibition of Glutamate Release, but Not of Glutamine Recycling to Glutamate, Is Involved in Delaying the Onset of Initial Lithium-Pilocarpine-Induced Seizures in Young Rats by a Non-Convulsive MSO Dose

  • Marek J. Pawlik,
  • Blanca I. Aldana,
  • Lautaro F. Belfiori-Carrasco,
  • Marta Obara-Michlewska,
  • Mariusz P. Popek,
  • Anna Maria Czarnecka and
  • Jan Albrecht

15 October 2021

Initial seizures observed in young rats during the 60 min after administration of pilocarpine (Pilo) were delayed and attenuated by pretreatment with a non-convulsive dose of methionine sulfoximine (MSO). We hypothesized that the effect of MSO result...

  • Case Report
  • Open Access
455 Views
11 Pages

Non-Convulsive Status Epilepticus and Mild Neurodevelopmental Phenotype in a Female with a Novel p.Thr657Ala Variant in the GRIA3 Gene

  • Alfonso Rubino,
  • Giorgia Bruno,
  • Gabriella Errichiello,
  • Fabio Acquaviva,
  • Daniele De Brasi,
  • Alfonsina Tirozzi,
  • Pia Santangelo,
  • Carmela Russo,
  • Antonio Varone and
  • Pia Bernardo
  • + 1 author

5 December 2025

Background: The GRIA3 gene encodes the GluA3 subunit of AMPA-type glutamate receptors, which are crucial for excitatory neurotransmission in the central nervous system. Pathogenic GRIA3 variants cause X-linked neurodevelopmental disorders of varying...

  • Article
  • Open Access
10 Citations
2,347 Views
14 Pages

Striatal Patchwork of D1-like and D2-like Receptors Binding Densities in Rats with Genetic Audiogenic and Absence Epilepsies

  • Evgeniya T. Tsyba,
  • Inna S. Midzyanovskaya,
  • Lidia M. Birioukova,
  • Leena M. Tuomisto,
  • Gilles van Luijtelaar and
  • Kenul R. Abbasova

Binding densities to dopamine D1-like and D2-like receptors (D1DR and D2DR) were studied in brain regions of animals with genetic generalized audiogenic (AGS) and/or absence (AbS) epilepsy (KM, WAG/Rij-AGS, and WAG/Rij rats, respectively) as compared...

  • Article
  • Open Access
3 Citations
2,202 Views
15 Pages

Investigating Peri-Ictal MRI Abnormalities: A Prospective Neuroimaging Study on Status Epilepticus, Seizure Clusters, and Single Seizures

  • Angelo Pascarella,
  • Lucia Manzo,
  • Oreste Marsico,
  • Emilio Africa,
  • Alessandra Coglitore,
  • Vittoria Cianci,
  • Alessandro Bulgari,
  • Domenico Abelardo,
  • Sara Gasparini and
  • Edoardo Ferlazzo
  • + 4 authors

15 April 2025

Background/Objectives: Brain magnetic resonance imaging (MRI) often reveals acute peri-ictal abnormalities (PMAs) during or shortly after status epilepticus (SE) but also following single seizures (SiS) or clusters of seizures (CS). However, the inci...

  • Article
  • Open Access
4 Citations
2,992 Views
11 Pages

A Validation Study for SHE Score for Acute Subdural Hematoma in the Elderly

  • Martin Vychopen,
  • Motaz Hamed,
  • Majd Bahna,
  • Attila Racz,
  • Inja Ilic,
  • Abdallah Salemdawod,
  • Matthias Schneider,
  • Felix Lehmann,
  • Lars Eichhorn and
  • Valeri Borger
  • + 6 authors

Objective: The aim of this study was the verification of the Subdural Hematoma in the Elderly (SHE) score proposed by Alford et al. as a mortality predictor in patients older than 65 years with nontraumatic/minor trauma acute subdural hematoma (aSDH)...

  • Conference Report
  • Open Access

The diversity of EEG pattern of hours or days lasting epileptic twilight states is illustrated with parts of recording-pictures. They include: The “spike-wave variant” in children with Lennox- Gastaut syndrome, the various recordings of fast, general...

  • Article
  • Open Access
5 Citations
4,229 Views
6 Pages

Diagnostic Value of Serum Procalcitonin in Patients with Convulsion in Emergency Department, an Observational Study

  • Hisashi Murakami,
  • Hiromu Naraba,
  • Takashi Gondo,
  • Masaki Mochizuki,
  • Hidehiko Nakano,
  • Yuji Takahashi,
  • Tomohiro Sonoo,
  • Hideki Hashimoto and
  • Kensuke Nakamura

Procalcitonin (PCT), a widely used biomarker for bacterial infections, is sometimes measured in convulsion patients to distinguish bacterial infections including bacterial meningitis. However, serum PCT elevation is reported in several other conditio...

  • Review
  • Open Access
13 Citations
6,255 Views
10 Pages

Seizures and Sepsis: A Narrative Review

  • Francesco Alessandri,
  • Rafael Badenes and
  • Federico Bilotta

3 March 2021

Patients with sepsis-associated encephalopathy (SAE) can develop convulsive or nonconvulsive seizures. The cytokine storm and the overwhelming systemic inflammation trigger the electric circuits that promote seizures. Several neurologic symptoms, ass...

  • Review
  • Open Access
60 Citations
16,536 Views
8 Pages

Treatment of Established Status Epilepticus

  • Jessica J. Falco-Walter and
  • Thomas Bleck

Status epilepticus is the most severe form of epilepsy, with a high mortality rate and high health care costs. Status epilepticus is divided into four stages: early, established, refractory, and super-refractory. While initial treatment with benzodia...

  • Article
  • Open Access
3 Citations
2,835 Views
22 Pages

20 February 2024

The involvement of the prefrontal cortical dopaminergic system in the psychopathology of epilepsies and comorbid conditions such as autism spectrum disorder (ASD) still needs to be explored. We used autoradiography to study the D1-like (D1DR) and D2-...

  • Case Report
  • Open Access
2 Citations
4,263 Views
6 Pages

Ictal fMRI: Mapping Seizure Topography with Rhythmic BOLD Oscillations

  • David Fischer,
  • Otto Rapalino,
  • Matteo Fecchio and
  • Brian L. Edlow

13 December 2022

Functional magnetic resonance imaging (fMRI) has shown elevations in the blood-oxygen-level-dependent (BOLD) signal associated with, but insensitive for, seizure. Rather than evaluating absolute BOLD signal elevations, assessing rhythmic oscillations...

  • Case Report
  • Open Access
1 Citations
2,222 Views
8 Pages

Status Epilepticus in Post-Transplantation Hyperammonemia Involves Careful Metabolic Management

  • Vikram Venkata Puram,
  • Brent Berry,
  • Malik Ghannam and
  • Yuka Furuya

21 September 2022

Hyperammonemia is a condition that may result after solid organ transplantation, particularly lung transplantation. However, it is very uncommon for this presentation to occur more than 30 days post-transplantation. Hyperammonemia and the resulting e...

  • Case Report
  • Open Access
3 Citations
3,051 Views
11 Pages

Electroencephalographic Features of Presumed Hepatic Encephalopathy in a Pediatric Dog with a Portosystemic Shunt—A Case Report

  • Raluca Adriana Ștefănescu,
  • Vasile Boghian,
  • Gheorghe Solcan,
  • Mario Darius Codreanu and
  • Mihai Musteata

16 January 2025

Hepatic encephalopathy (HE) in dogs is a metabolic disorder of the central nervous system that occurs secondarily to liver dysfunctions, whether due to acquired or congenital causes. A portosystemic shunt is the presence of abnormal communications be...

  • Systematic Review
  • Open Access
1 Citations
3,858 Views
20 Pages

Status Epilepticus in Chromosomal Disorders Associated with Epilepsy: A Systematic Review

  • Luca Bergonzini,
  • Jacopo Pruccoli,
  • Ilaria Pettenuzzo,
  • Rosa Pugliano,
  • Luca Soliani,
  • Anna Fetta and
  • Duccio Maria Cordelli

23 January 2023

Status Epilepticus (SE) is a neurological emergency resulting from the failure of mechanisms of seizure termination or from the initiation of mechanisms that lead to prolonged seizures. The International League Against Epilepsy (ILAE) identified 13 c...

  • Review
  • Open Access
28 Citations
5,285 Views
21 Pages

2 February 2023

The pharmacological treatment of epilepsy is purely symptomatic. Despite many decades of intensive research, causal treatment of this common neurologic disorder is still unavailable. Nevertheless, it is expected that advances in modern neuroscience a...

  • Review
  • Open Access
20 Citations
8,718 Views
14 Pages

Managing Status Epilepticus in the Older Adult

  • Stephane Legriel and
  • Gretchen M. Brophy

The aim of this systematic review was to describe particularities in epidemiology, outcome, and management modalities in the older adult population with status epilepticus. There is a higher incidence of status epilepticus in the older adult populati...

  • Article
  • Open Access
9 Citations
3,436 Views
11 Pages

Epileptiform Discharge and Electrographic Seizures during the Hypothermia Phase as Predictors of Rewarming Seizures in Children after Resuscitation

  • Jainn-Jim Lin,
  • Mei-Hsin Hsu,
  • Shao-Hsuan Hsia,
  • Ying-Jui Lin,
  • Huei-Shyong Wang,
  • Hsuan-Chang Kuo,
  • Ming-Chou Chiang,
  • Oi-Wa Chan,
  • En-Pei Lee and
  • the iCNS Group
  • + 1 author

The aim of this study was to determine the frequency, timing, and predictors of rewarming seizures in a cohort of children undergoing therapeutic hypothermia after resuscitation. We retrospectively reviewed consecutive pediatric patients undergoing t...

  • Article
  • Open Access
11 Citations
3,315 Views
13 Pages

Predicting the Functional Outcome of Adult Patients with Status Epilepticus

  • Chih-Hsiang Lin,
  • Chen-Jui Ho,
  • Yan-Ting Lu,
  • Fu-Yuan Shih,
  • Yao-Chung Chuang and
  • Meng-Han Tsai

Patients that survive status epilepticus (SE) may suffer from neurological and cognitive deficits that cause severe disabilities. An effective scoring system for functional outcome prediction may help the clinician in making treatment decisions for S...

  • Article
  • Open Access
6 Citations
2,677 Views
10 Pages

Subthreshold Cannabidiol Potentiates Levetiracetam in the Kainic Acid Model of Temporal Lobe Epilepsy: A Pilot Study

  • Chiara Lucchi,
  • Mattia Marcucci,
  • Kawther Ameen Muhammed Saeed Aledresi,
  • Anna-Maria Costa,
  • Giuseppe Cannazza and
  • Giuseppe Biagini

10 September 2024

Refractoriness to antiseizure medications is still a major concern in the pharmacotherapy of epilepsy. For this reason, we decided to evaluate the combination of levetiracetam and cannabidiol, administered at a subthreshold dose, to limit the possibl...

  • Review
  • Open Access
14 Citations
4,587 Views
17 Pages

Absence epilepsy is a non-convulsive type of epilepsy characterized by the sudden loss of awareness. It is associated with thalamo-cortical impairment, which may cause neuropsychiatric and neurocognitive problems. Rats with spontaneous absence-like s...

  • Review
  • Open Access
15 Citations
3,711 Views
19 Pages

Antiseizure Medications in Alzheimer’s Disease from Preclinical to Clinical Evidence

  • Francesca Bosco,
  • Lorenza Guarnieri,
  • Vincenzo Rania,
  • Ernesto Palma,
  • Rita Citraro,
  • Maria Tiziana Corasaniti,
  • Antonio Leo and
  • Giovambattista De Sarro

10 August 2023

Alzheimer’s disease (AD) and epilepsy are common neurological disorders in the elderly. A bi-directional link between these neurological diseases has been reported, with patients with either condition carrying almost a two-fold risk of contract...

  • Article
  • Open Access
6 Citations
7,330 Views
14 Pages

Neurochemical Changes and c-Fos Mapping in the Brain after Carisbamate Treatment of Rats Subjected to Lithium–Pilocarpine-Induced Status Epilepticus

  • José Eduardo Marques-Carneiro,
  • Astrid Nehlig,
  • Jean-Christophe Cassel,
  • Eduardo Ferreira Castro-Neto,
  • Julia Julie Litzahn,
  • Anne Pereira de Vasconcelos,
  • Maria Da Graça Naffah-Mazacoratti and
  • Maria José da Silva Fernandes

1 November 2017

The administration of lithium–pilocarpine (LiPilo) in adult rats is a validated model reproducing the main clinical and neuropathological features of temporal lobe epilepsy (TLE). Previous studies have shown that carisbamate (CRS) has the property of...

  • Article
  • Open Access
1 Citations
5,750 Views
13 Pages

Real-Time Computing Strategies for Automatic Detection of EEG Seizures in ICU

  • Laura López-Viñas,
  • Jose L. Ayala and
  • Francisco Javier Pardo Moreno

12 December 2024

Developing interfaces for seizure diagnosis, often challenging to detect visually, is rising. However, their effectiveness is constrained by the need for diverse and extensive databases. This study aimed to create a seizure detection methodology inco...

  • Review
  • Open Access
5 Citations
3,369 Views
12 Pages

Imaging of Status Epilepticus

  • Pilar Bosque Varela,
  • Lukas Machegger,
  • Bernardo Crespo Pimentel and
  • Giorgi Kuchukhidze

23 April 2025

MRI plays an increasingly important role in the diagnosis of status epilepticus (SE). Approximately half of patients with SE do not have pre-existing epilepsy, and the cause of de novo SE is frequently unknown. The role of MRI in the identification o...

  • Article
  • Open Access
14 Citations
3,500 Views
11 Pages

Putrescine Intensifies Glu/GABA Exchange Mechanism and Promotes Early Termination of Seizures

  • Zsolt Kovács,
  • Serguei N. Skatchkov,
  • Zsolt Szabó,
  • Saif Qahtan,
  • Miguel P. Méndez-González,
  • Christian J. Malpica-Nieves,
  • Misty J. Eaton,
  • Julianna Kardos and
  • László Héja

Endogenous anticonvulsant mechanisms represent a reliable and currently underdeveloped strategy against recurrent seizures and may recall novel original therapeutics. Here, we investigated whether the intensification of the astroglial Glu-GABA exchan...

  • Article
  • Open Access
16 Citations
3,754 Views
9 Pages

18 November 2021

Background: Status epilepticus (SE) is a neurological emergency and is usually associated with significant morbidity and mortality rates. Several clinical scales have been proposed to predict the clinical outcome of such incidents, including the Stat...

  • Article
  • Open Access
6 Citations
3,279 Views
7 Pages

Epileptic seizures in critically ill patients

  • Virginija Stasiukynienė,
  • Vidas Pilvinis,
  • Dagmara Reingardienė and
  • Liuda Janauskaitė

The aim of this article – to review the causes, clinical signs, pathophysiology, consequences, and treatment of seizures and status epilepticus in critically ill patients. Only 25% of people, who have seizures and status epilepticus, have epilepsy as...

  • Review
  • Open Access
101 Citations
15,054 Views
13 Pages

Beta-lactams are the most commonly prescribed antimicrobials in intensive care unit (ICU) settings and remain one of the safest antimicrobials prescribed. However, the misdiagnosis of beta-lactam-related adverse events may alter ICU patient managemen...

  • Article
  • Open Access
1 Citations
1,909 Views
19 Pages

Background: Absence epilepsy is a non-convulsive form of genetic generalized epilepsy characterized by spontaneous bilateral spike-and-wave discharges (SWDs) in EEG. In contrast to grand-mal epilepsy, absence epilepsy without greatly expressed motor...

  • Review
  • Open Access
18 Citations
6,148 Views
20 Pages

Our recent work on genetic epilepsy (GE) has identified common mechanisms between GE and neurodegenerative diseases including Alzheimer’s disease (AD). Although both disorders are seemingly unrelated and occur at opposite ends of the age spectrum, it...

  • Article
  • Open Access
10 Citations
7,473 Views
19 Pages

Hippocampal Proteome of Rats Subjected to the Li-Pilocarpine Epilepsy Model and the Effect of Carisbamate Treatment

  • José Eduardo Marques-Carneiro,
  • Daniele Suzete Persike,
  • Julia Julie Litzahn,
  • Jean-Christophe Cassel,
  • Astrid Nehlig and
  • Maria José da Silva Fernandes

In adult rats, the administration of lithium–pilocarpine (LiPilo) reproduces most clinical and neuropathological features of human temporal lobe epilepsy (TLE). Carisbamate (CRS) possesses the property of modifying epileptogenesis in this model. Inde...