Related Experiment Video

Updated: Aug 18, 2026

An In Vitro Caseum Binding Assay that Predicts Drug Penetration in Tuberculosis Lesions
12:17

An In Vitro Caseum Binding Assay that Predicts Drug Penetration in Tuberculosis Lesions

Published on: May 8, 2017

Penetration and activity of antibiotics in brain abscess

Muhammad W Raza1, Amjad Shad, Steve J Pedler

  • 1Department of Microbiology/Virology/Public Health, Health Protection Agency, Newcastle General Hospital, Newcastle, UK. mraza7@hotmail.com

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|April 6, 2005
PubMed

Insights

Choosing the right antimicrobial for brain abscess requires considering drug penetration into cerebrospinal fluid and bacterial resistance. This review evaluates current and emerging treatments for effective brain abscess management.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Pharmacology

Background:

  • Cerebrospinal fluid penetration of antimicrobial agents is influenced by serum protein binding, molecular size, lipid solubility, and inflammation.
  • Brain abscess treatment is complicated by varied bacterial flora, local resistance patterns, and drug activity within the abscess environment.

Purpose of the Study:

  • To review conventional and newer antimicrobial agents for brain abscess management.
  • To evaluate antimicrobial properties relevant to cerebrospinal fluid penetration and abscess environment activity.

Main Methods:

  • Literature review of antimicrobial agents.
  • Analysis of factors affecting drug penetration and efficacy in brain abscess.

Main Results:

  • Key factors influencing antimicrobial efficacy in brain abscess include drug properties and local infection characteristics.
  • Both established and novel antimicrobial agents show potential, with varying suitability based on specific clinical scenarios.

Conclusions:

  • Optimizing antimicrobial selection for brain abscess necessitates a comprehensive understanding of drug pharmacokinetics and pharmacodynamics.
  • Further research into newer agents and resistance patterns is crucial for improving patient outcomes in brain abscess treatment.

More Related Videos

Analyzing the Permeability of the Blood-Brain Barrier by Microbial Traversal through Microvascular Endothelial Cells06:26

Analyzing the Permeability of the Blood-Brain Barrier by Microbial Traversal through Microvascular Endothelial Cells

Published on: February 14, 2020

A Platform of Anti-biofilm Assays Suited to the Exploration of Natural Compound Libraries09:39

A Platform of Anti-biofilm Assays Suited to the Exploration of Natural Compound Libraries

Published on: December 27, 2016

Related Concept Videos

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 Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...
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...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
Inhibitors of Gram-positive Cell Wall Synthesis01:23

Inhibitors of Gram-positive Cell Wall Synthesis

Bacterial cell walls are typically rigid structures composed mainly of peptidoglycan, a mesh-like polymer that provides mechanical strength and maintains cell shape. The synthesis of peptidoglycan is a crucial process in bacterial growth and serves as a primary target for many antibiotics.Mechanism of Action of Beta-Lactam AntibioticsBeta-lactam antibiotics, such as penicillin, inhibit peptidoglycan synthesis in actively growing cells. These antibiotics share a characteristic four-membered...
Antimicrobial Effectiveness01:28

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...