Covid-19 & Blood Clots: What You Need To Know- Risk Factors, Complications, Prevention…,
People who have blood clots may experience cough and sharp chest pain. Clotting is one of the body’s natural responses to injury and occurs when a volume of blood changes to a semi-solid state in order to prevent excessive blood loss. Emerging evidence indicates that COVID-19 leads to blood clots in an estimated 30 per cent of critically ill patients. A blood clot (also called a thrombus), increases the risk of complications and death among those who have COVID-19. This infection causes blood clots in 20-30 per cent of critically ill patients.
Clots that form inside a deep vein, however, can be extremely dangerous. These clots may not dissolve on their own, and they can stop blood flow; this can be fatal. In some situations, a clot can break off and travel to another part of the body. This thrombus is then called an ‘embolus’; if the embolus reaches the brain, heart, or lungs, it can result in a life-threatening condition, such as a heart attack or stroke.
Why does COVID-19 cause blood clots?
Currently, there is much talk that coronavirus causes blood clots. Research suggests that clotting occurs when the novel coronavirus attacks the endothelial cells that line the blood vessels. The virus does this by binding to the ACE2 receptors, which are present in the endothelial cell membrane. Once bound to the receptors, blood vessels release proteins that cause the blood to clot. Studies also indicate that COVID-19 causes the body’s immune system to trigger a hyperactive inflammatory response. This inflammation may also cause clotting. There are various other factors that may also play a role in blood clotting in people with COVID-19. Patients who require hospital care due to the infection also have other risk factors for blood clots, if they have the following conditions or fall in the below-mentioned categories. Being older, Being overweight, Having hypertension, or high blood pressure, Existing diabetes, Are on medications that increase the risk of blood clotting, Have a history of heart failure, Having periods of inactivity, such as prolonged bed rest, Have undergone surgery recently, Are a smoker or have a history of smoking, A personal or family history of DVT or pulmonary embolism, Those with a blood clotting disorder.
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