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Related Concept Videos

Hemorrhagic Stroke l: Introduction01:17

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...

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Sub-acute Cerebral Microhemorrhages Induced by Lipopolysaccharide Injection in Rats
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Microbleeds as a prognostic factor for acute subdural hematoma.

Tadashi Yamaguchi1, Hiroki Takai, Satoshi Hirai

  • 1Department of Neurosurgery, Kawasaki Medical School, Kurashiki, Okayama, Japan.

Neurologia Medico-Chirurgica
|May 28, 2013
PubMed
Summary

Microbleeds and contusional hemorrhage in acute subdural hematoma patients indicate a higher likelihood of poor outcomes. These findings on MRI may signal a worse prognosis for patients with acute subdural hematoma.

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Area of Science:

  • Neurosurgery
  • Neuroradiology
  • Neurology

Background:

  • Acute subdural hematoma (SDH) is a severe traumatic brain injury.
  • Predicting outcomes in SDH patients is crucial for clinical management.
  • The role of microbleeds in SDH prognosis requires further investigation.

Purpose of the Study:

  • To investigate the frequency of poor outcomes at discharge in acute subdural hematoma patients.
  • To determine the association between microbleeds, contusional hemorrhage (CH), and patient outcomes.
  • To assess the prognostic value of microbleeds in acute subdural hematoma.

Main Methods:

  • Retrospective analysis of 37 surgically treated acute subdural hematoma patients.
  • Magnetic resonance (MR) imaging within 2 weeks of head injury to identify microbleeds and CH.
  • Glasgow Outcome Scale used to categorize patient outcomes (good vs. poor) at discharge.

Main Results:

  • Microbleeds were present in 62% of patients, and CH in 70%.
  • Poor outcome was significantly more common in patients with both microbleeds and CH (93%) compared to those without (64%).
  • Younger patients (<60 years) with microbleeds had a higher rate of poor outcomes (75%) than those without (0%).

Conclusions:

  • The presence of microbleeds and CH on MR imaging may indicate a poor prognosis in acute subdural hematoma patients.
  • Microbleeds appear to be a significant negative prognostic factor, especially in younger patients.
  • Further research is warranted to explore the underlying mechanisms and clinical implications of microbleeds in SDH.