Publications by authors named "Abraira L"

Background: Idiopathic Generalized Epilepsies (IGE) are a subset of syndromes defined by the International League against Epilepsy (ILAE) with the particularity to respond to a narrow number of ASMs and particularly to valproic acid (VPA). Recommendations have changed in the last decade. We aimed to describe changes in antiseizure medication (ASM) in adult IGE over the last 10 years.

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Objective: Pathological amyloid-β (Aβ) accumulation and hyperphosphorylated tau proteins have been described in resected temporal lobe specimens of epilepsy patients. We aimed to determine cerebrospinal fluid (CSF) Aβ1-42 and p181-tau levels and cerebral Aβ deposits on positron emission tomography (Aβ PET) and correlate these findings with cognitive performance in adults with drug-resistant temporal lobe epilepsy (TLE).

Methods: In this cross-sectional study, we enrolled individuals with drug-resistant TLE who were 25-55 years old.

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Introduction: Seizures are a common complication of subarachnoid hemorrhage (SAH) in both acute and late stages: 10-20 % acute symptomatic seizures, 12-25 % epilepsy rate at five years. Our aim was to identify early electroencephalogram (EEG) and computed tomography (CT) findings that could predict long-term epilepsy after SAH.

Material And Methods: This is a multicenter, retrospective, longitudinal study of adult patients with aneurysmal SAH admitted to two tertiary care hospitals between January 2011 to December 2022.

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Article Synopsis
  • After having a stroke, some people might have seizures, which can affect their ability to drive safely.
  • Researchers studied over 4,400 stroke survivors to figure out their risk of having a seizure in the next year using the SeLECT model.
  • The results showed that people without seizures right after their stroke have a lower risk, while those with seizures have a much higher risk, and tools like apps can help decide if they can drive safely.
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Aim: Patients whose epilepsy begins with seizures with unknown etiology in old age have been studied to a limited extent. The aim is to clinically characterise these patients, and predict their risk of developing epilepsy in the long term.

Materials And Methods: This is a retrospective observational study of patients over 55 years old experiencing a first epileptic seizure with unknown etiology.

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Introduction: In addition to clinical factors, blood-based biomarkers can provide useful information on the risk of developing post-stroke epilepsy (PSE). Our aim was to identify serum biomarkers at stroke onset that could contribute to predicting patients at higher risk of PSE.

Patients And Methods: From a previous study in which 895 acute stroke patients were followed-up, 51 patients developed PSE.

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Background And Objectives: The occurrence of seizures after aneurysmal subarachnoid hemorrhage (aSAH) is associated with a poorer functional and cognitive prognosis and less favorable quality of life. It would be of value to promptly identify patients at risk of epilepsy to optimize follow-up protocols and design preventive strategies. Our aim was to develop a predictive score to help stratify epilepsy risk in patients with aSAH.

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Purpose: Currently, there is a limited availability of tools to predict seizure recurrence after discontinuation of antiseizure medications (ASMs). This study aimed to establish the seizure recurrence rate following ASM cessation in adult patients with idiopathic generalized epilepsy (IGE) and to assess the predictive performance of the Lamberink and the Stevelink prediction models using real-world data.

Methods: Retrospective longitudinal study in IGE patients who underwent ASM withdrawal in a tertiary epilepsy clinic since June 2011, with the latest follow up in January 2024.

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Objective: To analyze the differences in clinical management during the epilepsy transition process from pediatric to adult care and to determine the quality of life and degree of satisfaction of patients and caregivers during the transition.

Methods: This is a longitudinal study including patients with epilepsy transferred from pediatric to adult epilepsy care between 2013 and 2017. Patients had a minimum follow-up of 3 years before the transition visit and at least 3 years consulting in the adults section.

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Background: The risk of developing epilepsy after de novo status epilepticus (SE) is nonnegligible. The individualized management of patients with high risk of subsequent epilepsy could improve long-term quality of life and cognitive impairment. We aimed to ascertain potential biomarkers of subsequent epilepsy and to construct a scoring system possessing predictive value for the diagnosis of post-SE epilepsy during follow-up.

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Introduction: This study aimed to determine whether the administration of antiepileptic drugs (AED) alters the likelihood of detecting epileptiform abnormalities in electroencephalographies (EEG) performed early after a first epileptic seizure.

Methods: We performed a retrospective, observational study including patients with a first seizure attended at our centre's emergency department between July 2014 and November 2019. We collected clinical data, as well as technical data on the acquisition and interpretation of the EEG performed within the first 72 hours after the seizure, and the factors related with seizure recurrence.

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Objective: Possible long-term consequences of status epilepticus (SE) include cognitive and behavioral impairment and the development of chronic epilepsy. However, these aspects have not been systematically studied in clinical practice. We aimed to evaluate long-term seizure recurrence after SE and the potential risk factors for their development.

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Importance: Acute symptomatic seizures occurring within 7 days after ischemic stroke may be associated with an increased mortality and risk of epilepsy. It is unknown whether the type of acute symptomatic seizure influences this risk.

Objective: To compare mortality and risk of epilepsy following different types of acute symptomatic seizures.

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Article Synopsis
  • Progressive gray matter volume reductions beyond the epileptogenic area are noted in temporal lobe epilepsy, but less is known about how these changes relate to cognitive performance, especially between gray and white matter.
  • A study compared brain volume data from 34 temporal lobe epilepsy patients and 30 healthy controls, using advanced imaging techniques and neuropsychological assessments to explore these correlations.
  • Results showed that reduced volumes in specific parietal regions were linked to poorer performance in visual memory, visuoperceptual skills, and visuospatial abilities among epilepsy patients, indicating widespread brain volume loss affects cognitive functions.
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Objective: To investigate the response to various antiseizure medications (ASMs) in the treatment of focal status epilepticus (SE) in the established phase, and the effect of administering several ASMs prior to sedation.

Methods: All SE cases in patients aged > 16 years treated with non-BZDs ASMs were prospectively collected in our centre from February 2011 to April 2019. In total, 281 episodes were analysed.

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Background: Diagnosis of epileptic seizures, particularly regarding status epilepticus (SE), may be challenging in an emergency room setting. The aim of the study was to study the diagnostic yield of perfusion computed tomography (pCT) in patients with single epileptic seizures and SE.

Methods: We retrospectively reviewed the records of patients who followed an acute ischemic stroke pathway during a 9-month period and who were finally diagnosed with a single epileptic seizure or SE.

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Brivaracetam is a newer antiseizure medication than levetiracetam. It has a more selective action on the synaptic vesicle glycoprotein 2A binding site, and it seems to provide a more favorable neuropsychiatric profile. The aim of this study was to assess the safety and tolerability of an overnight switch from levetiracetam to brivaracetam.

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Article Synopsis
  • The study investigated the economic impact of epilepsy on adults in Spain, focusing on hospital costs and factors contributing to higher medical expenses.
  • Researchers analyzed data from 110 newly diagnosed epilepsy patients over a 7-year period, finding that the average annual cost per patient was €2584, primarily due to anti-seizure medications and hospital admissions.
  • Key predictors for increased costs included having focal epilepsy, pre-existing health conditions, and a poor response to initial treatment within the first 6 months.
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Objectives: To evaluate the usefulness of quantitative electroencephalography (qEEG) in the analysis of baseline activity in patients with temporal lobe epilepsy (TLE) and identify measures potentially associated with disease duration and drug resistance.

Materials And Methods: Cross-sectional study of adult patients with TLE and controls who underwent video-EEG monitoring. Representative artifact-free resting wakefulness baseline EEG segments were selected for quantitative analysis.

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Article Synopsis
  • Researchers wanted to find out what causes seizures after a type of stroke called an acute ischemic stroke and if certain treatments help.* -
  • They looked at data from 4,229 adults and found that more severe strokes and specific types of strokes are linked to a higher chance of having seizures afterward.* -
  • The study showed that common treatments for strokes didn't change the risk of getting seizures or epilepsy after having a stroke.*
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Rationale: Late-onset epilepsy (LOE) often has underlying cerebrovascular cause and has been associated with neurocognitive deficits and dementia. Nevertheless, the interplay between these factors has not been studied thus far. Hence, we conducted a retrospective cross-sectional study aimed to explore how unprovoked epileptic seizures along with vascular-related factors contribute to neurocognitive impairments in patients with cerebral small vessel disease.

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  • The study aimed to explore how self-reported sleep quality affects cognitive function, anxiety, depression, and quality of life in patients with epilepsy (PWE) receiving anti-seizure medications.
  • Researchers included a sample of 150 patients, who completed various assessments, revealing that 44.4% experienced poor sleep quality and many showed signs of mild cognitive impairment.
  • While sleep quality didn't independently predict cognitive issues, poor sleep was linked to increased anxiety, depression, and lower quality of life in these patients.
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