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Updated: Aug 17, 2026

Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation
Published on: October 15, 2021
Abstract:
The ear has been recognized as a source of intracranial infection at least since the time of Hippocrates. Not much progress was achieved in the diagnosis and treatment of intracranial sepsis until the latter part of the 19th century when surgeons such as McEwan began a direct surgical attack on brain abscesses. While the advent of the antibiotics in the 1940's and 1950's made a significant reduction in the mortality of meningitis, the surgical treatment of brain abscess has not altered much since then. Newer diagnostic methods such as the CTT scan should help to reduce mortality rates which even recently have varied from 7-40 per cent for brain abscesses.
Insights
Intracranial infections originating from the ear have a long history. While antibiotics reduced meningitis mortality, brain abscess treatment remains largely surgical, with newer imaging like CTT scans improving outcomes.
Area of Science:
- Neurology
- Infectious Diseases
- Neurosurgery
Background:
- The ear has historically been a recognized source of intracranial infections.
- Significant advancements in diagnosing and treating intracranial sepsis were limited until the late 19th century.
Purpose of the Study:
- To review the historical progression and current state of intracranial infection diagnosis and treatment, particularly brain abscesses.
- To highlight the impact of antibiotics and newer diagnostic technologies on patient outcomes.
Main Methods:
- Historical review of intracranial infection management.
- Analysis of the impact of surgical interventions and antibiotic therapy.
- Discussion of the role of modern diagnostic imaging, such as computed tomography (CT) scans.
Main Results:
- Surgical intervention for brain abscesses, pioneered in the late 19th century, remains a primary treatment modality.
- Antibiotics significantly decreased meningitis mortality but had less impact on brain abscess surgical treatment.
- Recent diagnostic tools like CT scans show promise in reducing brain abscess mortality rates, which historically range from 7-40%.
Conclusions:
- Despite advances, surgical treatment for brain abscesses has seen limited evolution.
- Newer diagnostic technologies, such as CT scans, are crucial for improving the prognosis of intracranial infections originating from the ear.
- Continued development in diagnostic and potentially therapeutic strategies is needed to further reduce mortality associated with brain abscesses.
Related Concept Videos
Hemorrhagic Stroke ll: Pathophysiology
Bacterial Meningitis II: Pathophysiology
Increased Intracranial Pressure l: Introduction
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