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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

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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

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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.
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Psychosis: Goals of Pharmacotherapy01:26

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Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation.
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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Antiepileptic Drugs: Glutamate Antagonists01:14

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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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Antiepileptic Drugs: Sodium Channel Blockers01:08

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Antiepileptic drugs are specialized medications that prevent seizures in individuals diagnosed with epilepsy. These drugs primarily function by blocking the movement of sodium ions through channels in the neuronal membrane, inhibiting the repetitive firing of action potentials often associated with seizures.
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Status epilepticus: Refractory and super-refractory.

Deepanshu Dubey1, Jayantee Kalita1, Usha K Misra1

  • 1Department of Neurology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India.

Neurology India
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Summary
This summary is machine-generated.

Status epilepticus (SE) is a neurological emergency. Refractory SE (RSE) and super refractory SE (SRSE) require advanced treatments, often in intensive care units (ICUs), with a need for safer intravenous antiepileptic drugs (AEDs).

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Area of Science:

  • Neurology
  • Critical Care Medicine

Background:

  • Status epilepticus (SE) is a critical neurological emergency.
  • Refractory SE (RSE) and Super Refractory SE (SRSE) represent severe forms of SE with limited evidence-based treatment options.
  • Etiologies of RSE differ between developing and developed countries, with CNS infections and head injury prevalent in developing nations.

Purpose of the Study:

  • To review the definitions, incidence, and treatment challenges of RSE and SRSE.
  • To highlight the current treatment strategies, including second-line antiepileptic drugs (AEDs) and anesthetic agents.
  • To identify the need for novel intravenous AEDs with improved safety profiles for managing SE.

Main Methods:

  • Review of existing literature on SE, RSE, and SRSE definitions and management.
  • Analysis of treatment protocols, including AEDs and anesthetic agents.
  • Discussion of the safety concerns associated with current treatments and the limitations in resource-limited settings.

Main Results:

  • RSE affects 23%-48% of SE patients, and SRSE affects approximately 22%.
  • Treatment involves second-line AEDs (e.g., sodium valproate, phenytoin, levetiracetam) and anesthetic drugs (e.g., midazolam, propofol).
  • Current anesthetic treatments can cause hypotension and respiratory depression, necessitating ICU care and raising safety concerns regarding EEG burst suppression.

Conclusions:

  • Management of RSE and SRSE is challenging and not evidence-based.
  • There is a critical need for intravenous AEDs with better cardiovascular and respiratory safety profiles.
  • Limited ICU availability in developing countries further complicates the management of these severe SE forms.