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Related Concept Videos

Psychosurgery01:30

Psychosurgery

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Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
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Neurosurgery and the glymphatic system.

Per Kristian Eide1,2,3

  • 1Department of Neurosurgery, Oslo University Hospital - Rikshospitalet, Nydalen, Pb 4950 N-0424, Norway. p.k.eide@medisin.uio.no.

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The glymphatic system clears brain waste, but human assessment methods are limited. Intrathecal MRI shows promise for evaluating glymphatic function in neurological disorders.

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Area of Science:

  • Neuroscience
  • Neurosurgery
  • Medical Imaging

Background:

  • The glymphatic system facilitates cerebrospinal fluid transport and metabolic waste removal in the brain.
  • Research on the glymphatic system has rapidly expanded, highlighting its potential role in central nervous system disorders.
  • Current understanding heavily relies on animal models, necessitating human-specific investigation.

Purpose of the Study:

  • To review current methodologies for assessing human glymphatic function.
  • To examine evidence for the human glymphatic system and its distinction from the meningeal-lymphatic system.
  • To explore human evidence of glymphatic-meningeal lymphatic system dysfunction in neurosurgical diseases.

Main Methods:

  • Literature review focusing on human studies of glymphatic system function.
  • Analysis of imaging techniques, particularly intrathecal contrast-enhanced MRI.
  • Examination of studies linking glymphatic function to neurosurgical conditions.

Main Results:

  • Limited techniques currently exist for evaluating glymphatic function in humans.
  • Intrathecal contrast-enhanced MRI offers promising evidence for a human glymphatic system, despite limitations.
  • The glymphatic and meningeal lymphatic systems are interconnected and function collaboratively.
  • Human studies indicate glymphatic dysfunction in neurosurgical diseases, aiding pathophysiology understanding.

Conclusions:

  • Assessing human glymphatic function remains challenging due to limited imaging modalities.
  • Further development of imaging techniques is crucial for clinical translation of glymphatic research.
  • Understanding the glymphatic system's role in neurosurgical diseases requires robust human data.