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Related Experiment Videos

Hypercoagulable states and stroke: a selective review.

Steven R Levine1

  • 1Stroke Program, Department of Neurology, Mount Sinai School of Medicine, New York, NY 10029, USA. steven.levine@mssm.edu

CNS Spectrums
|September 13, 2005
PubMed
Summary
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Blood disorders contribute to 5-10% of ischemic strokes, particularly in younger individuals. Testing for hypercoagulable states is recommended for young patients with cryptogenic stroke or a family history of thrombosis.

Area of Science:

  • Neurology
  • Hematology
  • Internal Medicine

Background:

  • Blood disorders are linked to 5-10% of ischemic strokes, especially in younger patients.
  • Hypercoagulable states increase thrombotic tendency and stroke risk, while bleeding diathesis can cause intracranial hemorrhage.
  • Limited prospective studies exist on hypercoagulable states and arterial stroke compared to genetic thrombophilias and venous thrombosis.

Purpose of the Study:

  • To evaluate the role of blood disorders and hypercoagulable states in ischemic stroke.
  • To determine the appropriate screening and diagnostic approach for coagulation defects in stroke patients.
  • To assess the clinical implications and treatment strategies for stroke patients with identified hypercoagulable states.

Main Methods:

  • Review of existing literature on blood disorders, hypercoagulable states, and stroke epidemiology.

Related Experiment Videos

  • Analysis of diagnostic yield for coagulation testing in different stroke patient demographics.
  • Examination of current treatment guidelines and clinical trial data for hypercoagulable states and stroke.

    • Main Results:

    • Hypercoagulable states are more frequently associated with arterial stroke in younger patients.
    • Screening for coagulation defects is most beneficial in young patients with cryptogenic stroke or family history of thrombosis.
    • The diagnostic yield is low in unselected ischemic stroke patients and older individuals.
    • Long-term warfarin therapy is common for first-time stroke with a hypercoagulable state, despite limited clinical trial support.

    Conclusions:

    • Blood disorders are an important, though less common, cause of ischemic stroke, particularly in younger populations.
    • Targeted screening for hypercoagulable states is crucial for specific patient groups to guide therapy and improve outcomes.
    • Further clinical trials are needed to support evidence-based treatment strategies for stroke patients with hypercoagulable states.