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Natural coagulation inhibitor proteins in young patients with cerebral ischemia

L Oláh1, M Misz, J Kappelmayer

  • 1Department of Neurology, University of Debrecen, Faculty of Medicine, Debrecen, Hungary.

Cerebrovascular Diseases (Basel, Switzerland)
|November 27, 2001
PubMed

Insights

Coagulation and fibrinolytic abnormalities are common in young patients with acute cerebral ischemia. While many improve over time, impaired fibrinolysis and clotting pathway issues persist in some, highlighting the acute phase

Area of Science:

  • Biochemistry
  • Hematology
  • Neurology

Background:

  • Cerebral ischemia involves complex hemostatic disturbances.
  • Understanding coagulation and fibrinolysis in young patients is crucial.

Purpose of the Study:

  • To investigate coagulation and fibrinolytic pathway abnormalities in young patients with cerebral ischemia.
  • To assess the temporal changes in these abnormalities.

Main Methods:

  • Studied 53 young patients with cerebral ischemia.
  • Assessed antithrombin-III, protein C, protein S activities, and activated protein C (APC) ratios.
  • Measured plasminogen activator inhibitor-1, lipoprotein (a), and alpha-2-antiplasmin levels.

Main Results:

  • 26/53 patients showed initial abnormalities in coagulation factors or APC ratios.
  • Most abnormalities normalized within three months.
  • Persistent issues included decreased protein S activity and APC resistance.
  • Impaired fibrinolysis was frequent, with elevated plasminogen activator inhibitor-1, lipoprotein (a), and alpha-2-antiplasmin.

Conclusions:

  • Coagulation and fibrinolytic system abnormalities are prevalent during the acute phase of cerebral ischemia in young individuals.
  • These findings may be influenced by the acute phase response and disease process.
  • Long-term monitoring may be necessary for specific coagulation and fibrinolytic defects.

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