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Related Experiment Videos

Magnesium and brain trauma.

R Vink1

  • 1Department of Chemistry and Biochemistry, James Cook University of North Queensland, Townsville, Australia.

Magnesium and Trace Elements
|January 1, 1991
PubMed
Summary
This summary is machine-generated.

Magnesium (Mg) levels decrease in the brain after central nervous system (CNS) trauma, impacting neurological outcomes. Treatments that maintain Mg levels can improve recovery from traumatic brain injury.

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Trauma Research

Background:

  • Nuclear magnetic resonance (NMR) studies indicate a decline in intracellular free magnesium (Mg) following central nervous system (CNS) trauma.
  • This decrease in free Mg correlates with reduced total brain tissue Mg concentration.

Purpose of the Study:

  • To review evidence on the role of Mg concentration in irreversible tissue damage after traumatic brain injury (TBI).
  • To discuss the significance of Mg in TBI and its interaction with other injury factors.

Main Methods:

  • Review of existing literature and Nuclear Magnetic Resonance (NMR) studies on CNS trauma.
  • Correlation analysis between Mg concentration changes and neurological outcomes.

Main Results:

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  • A fall in both free and total Mg concentration occurs post-CNS injury.
  • Treatments inhibiting excitatory amino acids and opioid peptides can prevent or reduce Mg declines.
  • The extent of Mg changes and their attenuation correlate with neurological outcome.

Conclusions:

  • Cytosolic free Mg concentration plays a critical role in determining the severity of neurological deficits after CNS trauma.
  • Mg concentration is important in the development of irreversible tissue damage following TBI.