A case of otogenic brain abscess causing loss of consciousness

Min Kyu Kwak1, Jae Ho Chung1, Seung Hwan Lee1

  • 1Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Hanyang University, Seoul, Korea.

Insights

Otitis media can lead to serious brain abscesses. This case highlights successful treatment using antibiotics and otologic surgery alone, avoiding neurosurgery for an otogenic brain abscess.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Infectious Diseases

Background:

  • Otitis media, an inflammation of the middle ear, can lead to severe intracranial complications such as brain abscess.
  • Brain abscesses, particularly those originating from ear infections (otogenic), pose a significant risk of mortality.
  • Optimal surgical management and timing for otogenic brain abscesses remain subjects of ongoing clinical discussion.

Observation:

  • A 31-year-old male presented with an acute alteration in mental status.
  • The patient was diagnosed with an otogenic brain abscess.
  • Initial management involved empirical antibiotic therapy.

Findings:

  • The patient was successfully treated with a combination of antibiotics and otologic surgery.
  • Neurosurgical intervention was not required for this specific case.
  • This approach led to a favorable outcome, resolving the brain abscess.

Implications:

  • This case suggests that a tailored approach combining antibiotics and otologic surgery may be sufficient for certain otogenic brain abscesses.
  • It challenges the necessity of routine neurosurgical intervention in all such cases.
  • Further research into the precise indications and timing for surgical intervention in otogenic brain abscesses is warranted.

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...
7
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...
4
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...
6
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...
3
Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
2
Cytotoxic Edema: Pathophysiology01:21

Cytotoxic Edema: Pathophysiology

Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous...
4