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Related Concept Videos

Hepatic Encephalopathy01:29

Hepatic Encephalopathy

DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...

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Related Experiment Video

Updated: Jun 8, 2026

Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression
07:30

Design of Cecal Ligation and Puncture and Intranasal Infection Dual Model of Sepsis-Induced Immunosuppression

Published on: June 15, 2019

[Sepsis associated encephalopathy].

B Cretin1, N Collongues, N Philippi

  • 1Département de neurologie, service de neuropsychologie, centre mémoire de ressources et de recherche d'Alsace, hôpitaux universitaires de Strasbourg, and UMR 7191, LINC, CNRS, université de Strasbourg, 1, place de l'Hôpital, 67091 Strasbourg, France. benjamin.cretin@chru-strasbourg.fr

Revue Neurologique
|October 5, 2010
PubMed
Summary
This summary is machine-generated.

Sepsis-associated encephalopathy (SAE) is a common cause of delirium resulting from infection. Early treatment of the infection and inflammation can lead to recovery or minimal consequences.

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Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Critical Care Medicine

Context:

  • Sepsis-associated encephalopathy (SAE) is a frequent complication of sepsis, presenting as delirium.
  • SAE is characterized by diffuse cerebral dysfunction due to the body's systemic response to infection, excluding direct central nervous system infection.
  • It is diagnosed by exclusion, highlighting the need for clear diagnostic criteria.

Purpose:

  • To elucidate the underlying pathogenic mechanisms of SAE.
  • To describe the clinical, biological, and radiological features for rapid identification of SAE.
  • To emphasize the importance of timely management for improved patient outcomes.

Summary:

  • SAE involves intense central nervous system inflammation and blood-brain barrier impairment.
  • Clinical, biological, and radiological characteristics aid in SAE diagnosis.
  • Despite severe prognosis, early intervention is crucial.

Impact:

  • Improved understanding of SAE pathogenesis.
  • Enhanced diagnostic capabilities for SAE.
  • Potential for better patient outcomes through prompt and appropriate management of sepsis and its neurological complications.