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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...
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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

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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,...
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Bacterial Phylum Spirochaetes

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Staphylococcal Skin Infections

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Related Experiment Video

Updated: May 21, 2026

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis
06:23

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis

Published on: May 23, 2021

Brucellosis presenting as septic shock.

Mehandi Haran1, Amit Agarwal, Yizhak Kupfer

  • 1Division of Pulmonary & Critical Care Medicine, Maimonides Medical Center, Medicine, Brooklyn, New York, USA.

BMJ Case Reports
|June 16, 2012
PubMed
Summary
This summary is machine-generated.

This case highlights a rare instance of Brucellosis reactivating after 50 years, presenting as septic shock. Prolonged gentamicin therapy was required for remission in this elderly patient.

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Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis
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Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells
15:29

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells

Published on: August 5, 2016

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Internal Medicine

Background:

  • Brucellosis is a zoonotic bacterial infection with diverse clinical manifestations.
  • Typical symptoms include fever, malaise, weight loss, and bone pain.
  • Early diagnosis and appropriate antibiotic treatment are crucial for patient outcomes.

Observation:

  • A 76-year-old man presented with septic shock, characterized by high fever, tachycardia, and hypotension.
  • The patient had a history of Brucellosis in 1956, treated with tetracycline and streptomycin.
  • Blood cultures confirmed Brucella melitensis infection, despite no recent exposure history.

Findings:

  • The patient experienced a relapse of Brucellosis just two days after initial treatment.
  • Septic shock developed after a 50-year period of apparent quiescence.
  • A prolonged four-week course of gentamicin was necessary to achieve remission.

Implications:

  • This case underscores the potential for long-term latency and reactivation of Brucellosis.
  • It emphasizes the importance of considering Brucellosis in patients with recurrent infections or unexplained sepsis.
  • Extended antibiotic therapy may be required for complicated or relapsed Brucellosis cases.