Related Experiment Video
Updated: Jun 21, 2026

Metagenomic Next-Generation Sequencing of Cerebrospinal Fluid for the Detection of Central Nervous System Pathogens
Published on: April 17, 2026
Central nervous system infections: meningitis and brain abscess
Hitoshi Honda1, David K Warren
1Division of Infectious Diseases, Washington University of School of Medicine, 660 South Euclid Avenue, Campus Box, 8051 Saint Louis, MO 63110, USA. dwarren@im.wustl.edu
Abstract:
Despite advances in antimicrobial and antiviral therapy, meningitis and brain abscess are infections that result in significant morbidity and mortality. A multidisciplinary approach, including intensive care, is often required in the treatment of these infections. Meningitis is defined by the presence of the inflammation of the meninges, with characteristic changes in cerebrospinal fluid. Brain abscess is a focal infection of the brain parenchyma, commonly caused by bacterial, fungal, and parasitic pathogens. This article reviews the common infectious etiologies of central nervous system infections, especially bacterial meningitis and brain abscess, and their subsequent management in the intensive care unit.
Insights
Meningitis and brain abscess cause significant illness and death despite treatment advances. Effective management of these central nervous system infections requires a multidisciplinary intensive care approach.
Area of Science:
- Neurology
- Infectious Diseases
- Critical Care Medicine
Background:
- Meningitis and brain abscess remain serious infections with high morbidity and mortality rates.
- Advances in antimicrobial and antiviral therapies have not eliminated the threat posed by these central nervous system infections.
- Effective treatment often necessitates a multidisciplinary approach, integrating intensive care unit (ICU) strategies.
Purpose of the Study:
- To review common infectious causes of central nervous system (CNS) infections.
- To focus on bacterial meningitis and brain abscess etiologies.
- To outline the management of these conditions within the ICU setting.
Main Methods:
- Review of current literature on CNS infections.
- Analysis of common bacterial, fungal, and parasitic pathogens.
- Discussion of diagnostic criteria and therapeutic interventions.
Main Results:
- Bacterial meningitis is characterized by meningeal inflammation and specific cerebrospinal fluid changes.
- Brain abscess is a localized parenchymal infection with diverse causative agents.
- Intensive care is crucial for managing the complications and severity of these infections.
Conclusions:
- Despite therapeutic progress, meningitis and brain abscess continue to present significant clinical challenges.
- A comprehensive, multidisciplinary ICU-based approach is essential for optimizing patient outcomes.
- Understanding infectious etiologies is key to effective management strategies.
Related Concept Videos
Brain Abscess l: Introduction
Cryptococcal Meningitis
Bacterial Meningitis
Bacterial Meningitis I: Introduction
Bacterial Meningitis II: Pathophysiology
Viral Meningitis
