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Related Concept Videos

Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
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...
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
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,...
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 26, 2026

Experimental Model of Ligature-Induced Peri-Implantitis in Mice
05:37

Experimental Model of Ligature-Induced Peri-Implantitis in Mice

Published on: May 17, 2024

Bacterial meningitis after tooth extraction.

P Maurer1, E Hoffman, H Mast

  • 1Ruhr-Universität Bochum, Universitätsklinik für Mund-Kiefer-Gesichtschirurgie, Knappschafts-Krankenhaus Bochum Langendreer, Inder Schornau 23-25, Bochum. peter.drmaurer@web.de

British Dental Journal
|January 24, 2009
PubMed
Summary
This summary is machine-generated.

Tooth extraction can lead to wound infections, with rare systemic complications like bacterial meningitis. This case highlights a patient with undiagnosed diabetes developing meningitis post-molar extraction.

Related Experiment Videos

Last Updated: Jun 26, 2026

Experimental Model of Ligature-Induced Peri-Implantitis in Mice
05:37

Experimental Model of Ligature-Induced Peri-Implantitis in Mice

Published on: May 17, 2024

Area of Science:

  • Dentistry
  • Infectious Diseases
  • Endocrinology

Background:

  • Post-extraction infections can occur in up to 5% of patients.
  • Systemic infections following dental procedures are rare but serious complications.
  • Underlying conditions like immunosuppression, diabetes, and HIV increase infection risk.

Observation:

  • A patient underwent molar extraction.
  • Two days post-extraction, the patient presented with symptoms suggestive of bacterial meningitis.
  • The patient had previously undiagnosed latent diabetes mellitus.

Findings:

  • Bacterial meningitis was identified as a systemic complication post-molar extraction.
  • The patient's latent diabetes mellitus was a likely contributing factor to the severe infection.
  • This case underscores the importance of considering systemic complications in dental patients.

Implications:

  • Highlights the potential link between dental procedures and severe systemic infections.
  • Emphasizes the need for early diagnosis and management of underlying conditions like diabetes.
  • Suggests increased vigilance for systemic complications in patients undergoing tooth extractions, especially those with risk factors.