Don’t take the risk of not getting the vaccine for fear of blood clots, it can be a problem

Don't take the risk of not getting the vaccine for fear of blood clots, it can be a problem

Coronary Vaccine (Photo Credit: PTI)

Melbourne, 10 June: (Conversation) As a hematologist, we care for many patients who have had blood clots or who have thinned blood. They are often asked: “Should I get the AstraZeneca vaccine?” The answer is usually a resounding “yes”. Very different. People with a history of such conditions are not at risk of getting the AstraZeneca vaccine. In fact, people in this group may be at higher risk from COVID-19, so vaccination should not be delayed.

First, how are blood clots formed?

As a fluid, blood flows through the vessels of our body and carries oxygen, nutrients, proteins and immune cells to every organ. However, if we are injured or have an operation, we need to stop bleeding from the wound. Our blood contains components that work to convert it from liquid to semi-solid in a matter of seconds. At the first sign of damage, the smallest platelet in the blood cell – sticks to the wall of the damaged blood vessel and the proteins that accumulate there along the damaged wall stop bleeding from the wound.

Frozen in the veins

Sometimes the natural process of blood clotting and the anticoagulant process become unbalanced, increasing the risk of blood clots in one’s veins. This can happen to the following people:

Patients with cancer or infection

Pregnant women

Taking estrogen-containing birth control pills

Those who are unable to walk after surgery or major trauma

Who have inherited such a situation.

In all of these cases, an abnormal blood clot may form and develop in the deep veins or lungs (pulmonary embolism) of the conjunctiva (deep vein thrombosis). Also, blood clots are rarely formed in other places – for example, on the floor or in the veins of the brain. Read more: Corona slows down in Europe, CM Yogi keeps a close eye on Ground Zero, important meeting with Team-9

Arterial clots

The arteries that supply blood to the heart, brain and lower extremities can be narrowed due to risk factors including smoking, diabetes and high blood pressure and cholesterol.

A clot formed in these places can block blood flow, which can lead to a heart attack or stroke.

What is TTS?

The AstraZeneca vaccine is associated with TRTS, a rare condition called thrombocytopenia syndrome or thrombosis. Cases of this condition have been reported even after the Johnson and Johnson Covid vaccine, although it is not found in Australia. We now know a lot more about this situation a few months ago. TTS is caused by an abnormal immune response, which results in the development of antibodies directed at platelets (blood cells stop bleeding). This causes the platelets to become overly active, causing blood clots to form in the body, which can also form in places where we don’t usually see clots like the brain or the abdomen. ALSO READ: COVID-19 UPDATE: Retail sales of passenger vehicles fell 59 percent due to COVID-19: FADA

Platelets are also consumed in this process, resulting in a decrease in the number of platelets. “Thrombosis” refers to clotting and “thrombocytopenia” refers to a low platelet count. The Australian Technical Advisory Group on Immunization (ATAGI) recently estimated the risk of getting the AstraZeneca vaccine for people 50 years of age or older in Australia, with a risk of 1.6 per 100,000 doses of TTS. However, this picture may change as more people are now vaccinated. Fortunately, rapid progress has been made in diagnosing and treating TTS. Physicians now know about its symptoms. Most TTS patients in Australia are recovering or recovering.

Do not delay in vaccinating

There is no evidence that people who have had a blood clot or inherited condition in the past or are taking blood thinners or similar drugs are at risk for TTS. It is important to remember that people at risk of heart attack and stroke, including diabetes and high blood pressure, are at increased risk of developing severe COVID-19 if infected. Also, the cavid itself makes the blood more “sticky” and significantly increases the risk of blood clots. That’s why we advise our patients: If you have had deep vein thrombosis, pulmonary embolism, heart attack or stroke before, there is no risk of getting TTS from your vaccine. You should get your vaccine as soon as you qualify.


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