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Arteries of the Lower Limbs01:24

Arteries of the Lower Limbs

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Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
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Seizures: Classification01:13

Seizures: Classification

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Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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Dementia01:30

Dementia

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Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
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Alzheimer's Disease: Overview01:26

Alzheimer's Disease: Overview

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Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
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Antiepileptic Drugs: GABAergic Pathway Potentiators01:18

Antiepileptic Drugs: GABAergic Pathway Potentiators

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γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for...
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Antiepileptic Drugs: Glutamate Antagonists01:14

Antiepileptic Drugs: Glutamate Antagonists

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Glutamate is a fundamental neurotransmitter in the central nervous system, playing a vital role in neuronal communication and various cognitive processes. Glutamate stands as the principal excitatory neurotransmitter in the brain. Its presence is crucial for the communication between neurons, underpinning essential processes such as synaptic transmission, neuronal excitability, and plasticity. These functions are vital for higher-order cognitive processes, including learning and memory. The...
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Updated: Jun 6, 2025

Inducing Post-Traumatic Epilepsy in a Mouse Model of Repetitive Diffuse Traumatic Brain Injury
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[Post-Stroke Epilepsy and Vascular Dementia].

Tomotaka Tanaka1, Masafumi Ihara

  • 1Department of Neurology, National Cerebral and Cardiovascular Center Hospital.

No Shinkei Geka. Neurological Surgery
|December 2, 2024
PubMed
Summary

Stroke survivors face significant risks of epilepsy and cognitive impairment, particularly vascular dementia. Managing vascular risk factors is key for prevention and treatment of these debilitating post-stroke complications.

Area of Science:

  • Neurology
  • Geriatrics
  • Public Health

Background:

  • Stroke survivors frequently experience epilepsy and cognitive impairment, impacting quality of life and increasing mortality.
  • Post-stroke epilepsy constitutes a substantial portion of epilepsy cases in older adults, highlighting the need for seizure control.
  • Vascular dementia and Alzheimer's disease are primary concerns, with prevention strategies focusing on modifiable vascular risk factors.

Purpose of the Study:

  • To review essential information for clinical practice regarding post-stroke epilepsy and cognitive impairment.
  • To discuss diagnostic criteria, risk factors, and management strategies for these common post-stroke complications.
  • To highlight current research progress in prevention and treatment of these neurological sequelae.

Main Methods:

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  • Literature review of current research on post-stroke epilepsy and cognitive impairment.
  • Synthesis of information on diagnostic methods, risk factors, and treatment options.
  • Analysis of clinical guidelines and epidemiological data related to stroke complications.

Main Results:

  • Post-stroke epilepsy is a major cause of epilepsy in the elderly, necessitating effective seizure management.
  • Vascular risk factors like hypertension, dyslipidemia, and diabetes are critical targets for preventing dementia after stroke.
  • While progress is being made, effective treatments to reverse vascular dementia remain a significant challenge.

Conclusions:

  • Effective management of vascular risk factors is crucial for preventing and treating cognitive impairment post-stroke.
  • Continued research into diagnostic methods and preventative strategies for post-stroke epilepsy is essential.
  • Addressing these post-stroke complications is vital given the increasing number of stroke survivors in an aging society.