Coagulation, inflammation, and the risk of neonatal white matter damage

Alan Leviton1, Olaf Dammann

  • 1Neuroepidemiology Unit, Children's Hospital and Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA. alan.leviton@tch.harvard.edu

Pediatric Research
|February 20, 2004
PubMed

Insights

Elevated coagulation factors in newborns with systemic inflammation may cause cerebral white matter damage by worsening inflammation, not by blocking blood vessels. This suggests new therapeutic targets for preventing brain injury.

Area of Science:

  • Biomedical Science
  • Neuroscience
  • Hematology

Background:

  • Systemic inflammation is linked to increased coagulation activation markers in newborns and adults.
  • Coagulation factors can worsen inflammation, creating a detrimental cycle.
  • Current therapies targeting only coagulation or inflammation have failed to reduce mortality in severe systemic inflammatory response syndrome and multi-organ dysfunction (SIRS/MOD).

Purpose of the Study:

  • To investigate the role of activated coagulation factors in neonatal cerebral white matter damage.
  • To propose a mechanism by which coagulation contributes to inflammation-induced brain injury in at-risk newborns.

Main Methods:

  • Review of existing literature on coagulation, inflammation, and neonatal brain injury.
  • Analysis of the relationship between systemic inflammatory response, coagulation factors, and cerebral white matter damage in newborns.
  • Comparison of therapeutic outcomes in SIRS/MOD.

Main Results:

  • Activated coagulation factors appear to exacerbate inflammation.
  • Activated protein C, with both anti-coagulant and anti-inflammatory effects, is the only therapy shown to reduce mortality in SIRS/MOD.
  • Newborns at risk for cerebral white matter damage often exhibit systemic inflammation with elevated coagulation factors.

Conclusions:

  • Activated coagulation factors likely contribute to neonatal cerebral white matter damage by enhancing inflammatory processes.
  • The mechanism is suggested to be inflammation exacerbation rather than direct blood vessel occlusion.
  • This understanding may guide novel therapeutic strategies for preventing neonatal brain injury.

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