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Know Thrombosis: Recognizing the Signs and Symptoms of Dangerous Blood Clots

You might be shocked to learn that one of the leading causes of preventable death is something many people have never heard of — and often don’t know they have. One in four people worldwide are dying from conditions caused by thrombosis, making it a leading global cause of death and disability. When a blood clot forms in an artery or vein, it can lead to heart attack, stroke, or a life-threatening clot in the lungs or leg, causing venous thromboembolism (VTE). In fact, VTE-related events cause more deaths each year in the U.S. and Europe than breast cancer, AIDS and motor vehicle crashes — combined. Yet public awareness of the condition is extremely low: according to a 2018 survey of American…

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Articles of Interest

Blood clots: five reasons they may happen

There’s been a lot of concern in recent days about blood clots, particularly after reports from Germany of people developing cerebral vein thrombosis – a blood clot in the brain – after receiving the Oxford/AstraZeneca vaccine. Other European countries have raised concerns about potentially increased risks of pulmonary embolisms and deep-vein thrombosis following vaccination.

I had a blood clot. An AI diagnosis may have saved my life

My lesson is not that everyone should outsource their health to software. It is that patient advocacy now has a new tool. A safe AI assistant, trained on your medical data, can help people gather their records, ask whether something urgent is being missed and push for the right diagnostic step. Medicine has always depended on second opinions. The next one may come from software, and the urgent task is to make sure it is accurate, accountable and used to save lives.

A point-of-care global thrombosis test measuring occlusion time and endogenous lysis time may indicate thrombotic status

Much research to identify clinically useful molecular biomarkers that reflect overall thrombotic status has been performed over the last few decades. One of the most probable molecular biomarkers appears to be D-dimer, but this lacks specificity, with poor predictive value in arterial thrombosis

A rare clotting disorder may cloud the world’s hopes for AstraZeneca’s COVID-19 vaccine

Scientists are now scrambling to understand how big that subset is and who’s in it. So far, most cases have been observed in women under age 65. But that could be because of the vaccinated population: Many countries initially used AstraZeneca only in people younger than 65 because early clinical trials included few older recipients.

Blood clot discovery upends consensus about how wounds heal

Blood clots form in a fundamentally different way from previously thought, scientists have found, in a discovery they say will have far-reaching medical implications for wound care and the treatment of clotting disorders. Working at the Institut Laue-Langevin (ILL) in France, an international research team investigated the chemical reaction that triggers clotting on a wound, sealing the site and keeping it free of infection. A cylindrical blood protein called fibrinogen forms a surface layer when exposed to air — the first stage of a healing process that leads to a protective scab. The consensus view has long been that fibrinogen molecules accumulate on the blood’s surface in a single, upward-tilted layer. The ILL experiments showed that in reality the protein stays flat and stacks up in multiple layers like sheets of paper.

Deadly blood clots, risky treatments: The high‑stakes battle against deep vein thrombosis in sports and beyond

The challenge of creating balanced blood-thinning drugs is of great interest to my lab at McMaster University’s Thrombosis and Atherosclerosis Research Institute. A promising candidate for treating clotting disorders is ADAMTS13. It’s a protein that plays a role in the typical maintenance of blood clots but shows great potential as a blood-thinning medication. Previous research with this protein has found that in acute blood-clotting conditions such as ischemic stroke, ADAMTS13 is effective at breaking apart blood clots but does not result in the same risk of bleeding. Further testing on the protein in chronic conditions like DVT still needs to be performed, but there is potential for it to act as a long-term blood thinner.

Open Your Eyes to Thrombosis

Thrombosis does not discriminate. Clots can affect anyone regardless of location, age, ethnicity or race. The most important thing you can do to protect yourself from a life-threatening blood clot is to learn if you are at risk. Know the signs and symptoms and contact your health care professional immediately if needed.

Sticky Blood : From Blood Clots to Covid-19

Thromboses - blood clots that form in the circulation - are easily the biggest single killer of British men and women. They affects people of all ages, races and ethnicities. Most strokes and heart attacks are caused by thromboses forming in the arteries supplying the heart or brain. But clots in the veins can be just as lethal, particularly when part of the clot breaks off and travels around the circulation and lodges in the lungs.

The Blood-Clot Problem Is Multiplying

For weeks, Americans looked on as other countries grappled with case reports of rare, sometimes fatal blood abnormalities among those who had received the AstraZeneca vaccine against COVID-19. That vaccine has not yet been authorized by the FDA, so restrictions on its use throughout Europe did not get that much attention in the United States. But Americans experienced a rude awakening this week when public-health officials called for a pause on the use of the Johnson & Johnson vaccine

The Most Important Things To Know About Blood Clots

We know that thrombosis—clot formation within a blood vessel anywhere in the body—causes 1 in 4 deaths globally. The number one killer is a heart attacks, when a blood clot develops in a coronary artery, which brings blood to the heart. Strokes occur when a clot occurs in the blood vessels supplying oxygen to the brain. Deep vein thrombosis (DVT) and pulmonary embolism (PE) are less common, occurring in about 1 out of 1,000 people in the population every year.

The Ride of My Life: Kim’s Story of Deep Vein Thrombosis and Pulmonary Embolism

How taking a road trip set the stage for one woman’s journey with deadly vein clots — and what you can learn from it.

Thrombosis: The Hidden Risks and What Cancer Caregivers Need to Know

Thrombosis — the formation of blood clots in a vein or artery — can affect anyone. But cancer patients are at higher risk of thrombosis than the general population, so caregivers should be particularly aware. The most common type of thrombosis in cancer patients is deep-vein thrombosis (DVT), which occurs when a clot forms in a vein deep inside the body, usually veins in the leg or arm.

Triggers, targets and treatments for thrombosis

Thrombosis — localized clotting of the blood — can occur in the arterial or the venous circulation and has a major medical impact. Acute arterial thrombosis is the proximal cause of most cases of myocardial infarction (heart attack) and of about 80% of strokes, collectively the most common cause of death in the developed world. Venous thromboembolism is the third leading cause of cardiovascular-associated death.

Understand Your Risk for Excessive Blood Clotting

Many factors can lead to excessive blood clotting, leading to limited or blocked blood flow.

What Do You Know About Blood Clots?

Who's at risk? Everyone! According to the National Institutes of Health, Deep Vein Thrombosis affects 350,000 to 600,000 Americans every year, killing at least 100,000 people. But your chances increase if you smoke, are pregnant, are taking hormone therapy or birth control pills, are obese, have cancer, or are over the age of 40. Check The Coalition to Prevent Deep Vein Thrombosis' risk factor assessment tool to see what your specific risk factor is.

What To Know About The Blood Clot Risks Associated With The Johnson & Johnson Vaccine

We know that these clots are an immune phenomenon, which means that they don't occur right after the shot. So if you get the shot and the next day you feel crummy, that's actually probably normal. But in the four to 20 days after a shot, whether it's AstraZeneca or Johnson & Johnson, if you start getting severe symptoms - so I mean a headache that doesn't go away, difficulties with your vision that are really interfering with your function, terrible chest pain, shortness of breath, swelling in a limb - these are symptoms that you would notice

When a Cramp Is Actually a Clot

Deep-vein thrombosis is often mistaken by both patients and doctors for something else. I was suspicious of what I thought was a runner's cramp, and got lucky.

Resources

11 Things That Can Raise Your Risk of Blood Clots

There are only a few true causes of blood clots, but there are many risk factors that raise your odds of getting one—including some that you can change.

Thrombosis Adviser

A venous & arterial thrombosis resource.

Thrombosis Australia

The goal of TA is to provide impartial health information to Australians who require thrombosis prevention. It incorporates basic information on the circumstances of thrombosis, and real life stories from patients and their families who have experienced thrombosis or related conditions.

Thrombosis Canada

Thrombotic vascular disease, which encompasses myocardial ischemia, stroke, peripheral arterial disease, and venous thromboembolism, represents the single greatest risk to the health of Canadians. By bringing evidence-based primary and secondary prevention strategies to Canadian clinicians, the human and economic burden of vascular disease will be reduced.

Thrombosis Research

Thrombosis Research was established in 1972 and is an international journal with a goal of rapid dissemination of new information on thrombosis, hemostasis, and vascular biology to advance science and clinical care.

Thrombosis UK

Thrombosis UK is a charity working to improve understanding & awareness of life-threatening blood clots (thrombosis), often known as a DVT (deep vein thrombosis) and PE (pulmonary embolism). We want everyone to #KnowThrombosis

World Thrombosis Day

Celebrated year round, World Thrombosis Day (WTD) is recognized on 13 October. WTD focuses attention on the often overlooked and misunderstood disease of thrombosis.

Thrombosis Journal

Topics of particular interest include the diagnosis of arterial and venous thrombosis, new antithrombotic treatments, new developments in the understanding, diagnosis and treatments of atherosclerotic vessel disease, relations between haemostasis and vascular disease, hypertension, diabetes, immunology and obesity.

American Society of Hematology

The risk factors for developing a venous clot are different from those for an arterial clot, and people at risk for getting one are not necessarily at risk for getting the other. Different risk factors or events can cause unnatural clotting; however, each factor may initiate clotting in a different way.

NHS

Arterial thrombosis usually affects people whose arteries are clogged with fatty deposits. This is known as atherosclerosis.