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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,...
Cerebral Edema ll: Pathophysiology01:22

Cerebral Edema ll: Pathophysiology

Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...
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...
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...
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...
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 Videos

Brain abscess formation as a CSF shunt complication: a case report.

Aimun Ab Jamjoom1, Abrar R Waliuddin, Abdulhakim B Jamjoom

  • 1Section of Neurosurgery, King Khalid National Guards Hospital, PO Box 9515, Jeddah 21423, Saudi Arabia. jamjoomab@ngha.med.sa.

Cases Journal
|February 3, 2009
PubMed
Summary

Brain abscesses from cerebrospinal fluid shunt complications are rare. This case highlights the need for prompt diagnosis and management of shunt infections and abscesses in shunted patients.

Related Experiment Videos

Area of Science:

  • Neurosurgery
  • Infectious Diseases
  • Neurology

Background:

  • Cerebrospinal fluid (CSF) shunts are used to treat hydrocephalus.
  • Brain abscess formation secondary to CSF shunt complications is exceptionally rare, with limited documented cases.
  • Shunt infections can lead to serious neurological complications.

Purpose of the Study:

  • To report a rare case of brain abscess adjacent to a functioning ventricular catheter in a patient with a concurrent shunt infection.
  • To emphasize the importance of considering brain abscess as a complication in shunted patients presenting with infectious symptoms.
  • To advocate for prompt and appropriate management of both the abscess and shunt infection.

Main Methods:

  • Case report of a patient with a CSF shunt.
  • Clinical presentation, diagnostic imaging (e.g., MRI, CT), and microbiological analysis were reviewed.
  • Management strategies for brain abscess and shunt infection were documented.

Main Results:

  • A brain abscess was identified adjacent to a functioning ventricular catheter.
  • The shunt infection was caused by a pathogen distinct from the one causing the abscess.
  • The patient underwent expedited management for both conditions.

Conclusions:

  • Brain abscess is a rare but critical complication of CSF shunts that requires high clinical suspicion.
  • Early recognition of subtle imaging findings and prompt treatment are crucial for favorable outcomes.
  • Management should address both the abscess and the underlying shunt infection, including removal of non-functioning hardware.