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Related Experiment Video

Updated: Dec 25, 2025

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
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The Evolving Concept of Cryptogenic Stroke.

Hooman Kamel

    Continuum (Minneapolis, Minn.)
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    PubMed
    Summary
    This summary is machine-generated.

    Anticoagulation offers no benefit over antiplatelet therapy for secondary stroke prevention in embolic stroke of undetermined source. Current recommendations include antiplatelet therapy, with specific considerations for minor stroke symptoms, atrial fibrillation monitoring, and patent foramen ovale evaluation.

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    Area of Science:

    • Neurology
    • Cardiology
    • Vascular Medicine

    Background:

    • Cryptogenic stroke, often termed embolic stroke of undetermined source (ESUS), was previously considered a single entity responsive to anticoagulation.
    • Recent randomized trials have challenged this notion, impacting the understanding of ESUS etiology and treatment.

    Purpose of the Study:

    • To review recent randomized trials on cryptogenic stroke evaluation and management.
    • To inform clinical practice regarding secondary stroke prevention strategies for ESUS.

    Main Methods:

    • Analysis of findings from large-scale randomized clinical trials.
    • Evaluation of treatment outcomes comparing anticoagulation and antiplatelet therapy for ESUS.

    Main Results:

    • Two major trials demonstrated no significant benefit of anticoagulation over antiplatelet therapy for secondary stroke prevention in ESUS.
    • Single antiplatelet therapy is the recommended long-term treatment for secondary prevention in ESUS.
    • Specific patient subgroups require tailored management: dual antiplatelet therapy for minor early symptoms, atrial fibrillation monitoring, and PFO evaluation for younger patients.

    Conclusions:

    • Current evidence supports antiplatelet therapy as the standard of care for secondary stroke prevention in ESUS.
    • Personalized treatment strategies for cryptogenic stroke are evolving based on recent trial data.
    • Implementing these findings aims to reduce stroke recurrence in the ESUS population.