A Public Health Crisis...
Almost 300,000 Americans die each year from blood clots in the veins. Most of these lives could have been saved if more patients and health professionals had known about the risks, symptoms and treatments.
That’s why NATT is leading the fight to spread the word.
The National Alliance for Thrombosis and Thrombophilia (NATT) is a nationwide alliance of patients and medical professionals committed to preventing and treating health problems caused by blood clots. We promote awareness, early diagnosis and optimal treatment through research, education, support and advocacy. Whether you are a patient, family member or medical professional, NATT is your “go-to” resource for information and breaking news on:
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Thrombosis… the formation or presence of a blood clot (thrombus) inside a blood vessel.
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Thrombophilia… the tendency to form blood clots.
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Deep vein thrombosis (DVT) … when clots form in deep veins, usually in the legs.
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Pulmonary embolism (PE) … a serious and often fatal complication of DVT in which blood clots travel through the veins to the lungs.
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Venous thromboembolism (VTE) …the collective term for DVT and PE.
The Numbers are Staggering
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Almost 900,000 Americans develop venous thromboembolism (VTE) every year
- Of these, about 380,000 develop deep vein thrombosis (DVT)
- Nearly 300,000 deaths per year.
- Only 50% of those with DVT have symptoms, yet quick, effective treatment is critical
- 600,000 are affected annually by pulmonary embolism (PE).
- Up to 25% of those patients with PE present with sudden death.
- 1 in 20 Americans are affected by hereditary thrombophillia – an inherited predisposition to blood clots.
- 52% of hospitalized adults are at risk of dangerous blood clots.
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The recurrence rate of venous thomboembolism (VTE) is 30% over 10 years.
The good news is that positive lifestyle choices and optimal treatment in high-risk situations can save lives and prevent blood clots in a significant number of cases…
However, the bad news is that only 50% of those with DVT have symptoms, making this “Silent Killer” extremely difficult to diagnose. This is compounded by the fact that 74% of Americans have no knowledge about DVT, its symptoms or risk factors.
This is why raising awareness is critical. The National Alliance for Thrombosis and Thrombophilia (NATT) is working to prevent, diagnose and treat thrombosis and thrombophilia through education, research, support and advocacy.
Why Get Involved?
Because
it’s a question of life and death.
You can help us save lives – “Stop the Clot” – and improve the quality
of lives – by supporting our efforts. Find out how you can
Volunteer or Donate.
March is DVT Awareness Month!
March is DVT Awareness Month. DVT Awareness Month is sponsored by the Coalition to Prevent DVT. The purpose is to raise awareness of this serious public health issue. The Coalition is comprised of more than 35 representatives from nationally know medical societies, patient advocacy groups, and other public health organizations. The Coalition received congressional support from Senators Arlen Specter (R-PA) and Byron Dorgan (D-ND) who co-sponsored Senate Resolution 56, which passed with unanimous consent on March 2nd, 2005 declaring March DVT Awareness Month in memory of NBC correspondent David Bloom who died of from DVT while embedded with coalition forces in Iraq.

Thrombosis and Thrombophilia is to prevent, diagnose and treat thrombosis and
thrombophilia through research, education, support and advocacy." 



