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Related Concept Videos

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...
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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...
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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
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Updated: May 22, 2026

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials
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Viral encephalitis: current treatments and future perspectives.

Renan Barros Domingues1

  • 1Department of Pathology and Internal Medicine, Santa Casa School of Health Sciences (EMESCAM), Vitoria, ES, Brazil. renan-domingues@uol.com.br

Central Nervous System Agents in Medicinal Chemistry
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Viral encephalitis, infections affecting the central nervous system (CNS), present diverse symptoms and changing epidemiology. Advances in diagnosis and treatment improve outcomes, but significant challenges remain in managing these severe brain infections.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Virology

Background:

  • Viral encephalitis encompasses a spectrum of central nervous system (CNS) infections with varied clinical presentations, ranging from acute to chronic.
  • Pathogenesis involves direct viral invasion or secondary immune-mediated damage to the CNS.
  • Epidemiology is dynamic, influenced by lifestyle and ecological shifts, leading to emerging or re-emerging viral etiologies.

Purpose of the Study:

  • To review current pharmacological management strategies for major viral encephalitis types.
  • To analyze drug mechanisms of action, efficacy, and adverse effects.
  • To discuss future therapeutic perspectives and ongoing challenges.

Main Methods:

  • Literature review of scientific achievements in neuroimaging and molecular diagnostics.
  • Analysis of antiviral and immunomodulatory treatments.
  • Examination of neurointensive care advancements.

Main Results:

  • Significant progress in diagnosis and treatment has improved patient outcomes.
  • Despite advances, considerable morbidity and mortality persist.
  • Current therapeutic options require further optimization for efficacy and safety.

Conclusions:

  • Ongoing research is crucial to develop more effective treatments for viral encephalitis.
  • Addressing the evolving epidemiology and persistent challenges is essential.
  • Reducing the impact of these devastating CNS infections requires continued scientific effort.