From Head to Toe, Take Control:
Prevent Thrombosis, Protect Your Health
Prevent Thrombosis, Protect Your Health
World Thrombosis Day, founded by the International Society on Thrombosis and Haemostasis (ISTH), is a global initiative held annually on October 13th. Our mission is to raise awareness about thrombosis, a condition often underestimated and misunderstood. Your participation can help inspire positive change and ensure that more individuals are informed, protected and empowered against this often silent threat. Join us today and share your story to be a catalyst for a healthier and safer future for all.

Blood clot prevention:
Why it matters
Why it matters
Feeling Empowered as a Patient is Life-Changing
Patient empowerment through health education puts you at the center of your healthcare and maximizes treatment benefits. Learning about your health condition helps you understand your treatment plan, long-term care options and healthcare costs while creating a more positive healthcare experience. This patient-focused platform provides tools and resources to take control of your health journey, make informed medical decisions and communicate effectively with your healthcare team about blood clot prevention and thrombosis treatment options.
VTE Risk Assessment
The campaign offers a timely opportunity to discuss, update or establish an organization’s VTE policy. While there is no universal policy on VTE prevention, several models do exist. Learn more.
ISTH Academy Thrombosis Resources
The ISTH Academy offers the latest resources and information on thrombosis and other bleeding conditions. These resources include abstracts, journal articles, recorded webinars, webcasts and more. Learn more.
Share Resources With Your Patients
Review campaign resources and provide them to recently diagnosed patients who are seeking guidance and support. View the resources.
Know Thrombosis
Healthcare professionals must recognize blood clot risks from head to toe in clinical settings, particularly venous thromboembolism (VTE) including deep vein thrombosis (DVT) and pulmonary embolism (PE). VTE risk assessments should be conducted across all medical specialties for every hospitalized patient, as key risk factors include prolonged immobility, surgery, cancer and certain medications.
Timely VTE risk assessment, prophylaxis and early detection are essential for preventing thrombotic events and reducing patient morbidity.
World Thrombosis Day, led by the International Society on Thrombosis and Haemostasis (ISTH), provides healthcare professionals with up-to-date scientific research, clinical guidelines and preventive strategies. ISTH is the leading thrombosis and hemostasis professional organization worldwide with more than 7,700 members in 100+ countries supporting evidence-based VTE prevention across all medical disciplines.
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Make a Donation
The success of the World Thrombosis Day campaign hinges on the generosity of supporters like you. By making a financial contribution, you empower us to deliver top-notch education and resources every year. If you’re passionate about our cause and ready to make a difference, please click the link below to donate. Your support is invaluable in the fight against thrombosis.