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بهترین سایت شرط بندی ایرانی
بهترین سایت شرط بندی ایرانی
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Global Statistics

All countries
695,781,740
Confirmed
Updated on September 26, 2023 9:04 pm
All countries
627,110,498
Recovered
Updated on September 26, 2023 9:04 pm
All countries
6,919,573
Deaths
Updated on September 26, 2023 9:04 pm

Global Statistics

All countries
695,781,740
Confirmed
Updated on September 26, 2023 9:04 pm
All countries
627,110,498
Recovered
Updated on September 26, 2023 9:04 pm
All countries
6,919,573
Deaths
Updated on September 26, 2023 9:04 pm

COVID-19: Possible mechanism for blood clotting identified

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New research offers a better understanding of the pathophysiology that underlies disease progression in COVID-19.
Image credit: Fuzis, 2010.

A new study suggests a possible mechanism for the elevated presence of blood clots in COVID-19 patients.

The research, published in the journal Circulation, may help clinicians develop more effective treatments for COVID-19.

The sudden emergence and rapid global spread of the new coronavirus have meant clinical responses have focused on supporting those with severe infections, supplemented with emergency societal interventions, such as widespread social distancing, to reduce infection rates.

Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on prevention and treatment.

Because SARS-CoV-2 is a new virus, previous treatments developed for similar strains will not necessarily work. Instead, possible therapies need to be identified in theory, tested and, once safe, implemented in the real world. However, this all takes time.

SARS-CoV-2 is mainly a danger because for some patients — particularly those with certain underlying health conditions, compromised immune systems, or who are later in life — a type of severe acute respiratory syndrome can develop, similar to pneumonia.

COVID-19, the disease caused by the virus, makes a person’s lungs inflamed.

According to an interview in The Guardian with Prof. John Wilson, president-elect of the Royal Australasian College of Physicians, if this inflammation is severe, inflammatory material can collect in the bottom of a person’s lungs. This can make it difficult for them to gain enough oxygen into their blood, cause organs to shut down, and potentially lead to death.

However, in addition to this pneumonia-like reaction, clinicians have also noticed that patients with COVID-19 can develop organ damage in a way not directly linked to a lack of oxygen in the blood. This is particularly common in the kidneys and heart.

There is some evidence that a problem with blood coagulation causes this organ damage. Coagulation is the process where a person’s blood thickens. It is crucial in stopping a person from bleeding if they get a cut.

However, if a person’s blood coagulates too much or too little, they can have serious issues: too little, and they can develop internal or external bleeding, as seen in hemophilia. Too much and they could develop blood clots that can cause a stroke or heart attack.

The authors of the recent study note that COVID-19 may increase coagulation in some people’s blood, which consequently causes organ damage as blood vessels become blocked. However, it is not yet clear how or why this occurs, which impedes the development of effective treatments.

In the study, the researchers studied 62 patients, including autopsies on five of whom had died. Of these individuals, 38 had confirmed COVID-19.

After conducting multidimensional flow cytometry — a way of measuring the presence of particular cells in a fluid — and comparing these results to the control groups, the researchers identified a significant number of neutrophils and platelets in the subjects.

Neutrophils are a type of immune cell that combat pathogens entering the body, such as the SARS-CoV-2 virus, while platelets are a type of blood cell necessary for coagulation.

The researchers found that these two cells seemed to react to and activate one another, resulting in excessive coagulation, blockage of blood vessels, and serious damage to nearby tissue.

Furthermore, when activated, the neutrophils exude web-like structures designed to help them trap bacteria, but experts believe they exacerbate the blocking of blood vessels.

According to Dr. Konstantin Stark, of the University Hospital Ludwig-Maximilian-University Munich, Germany, and a co-author of the paper:

“These findings contribute to a better understanding of the pathophysiology that underlie disease progression in COVID-19. The study also identifies immunothrombosis as a promising target for the prevention and treatment of lung failure and thrombotic complications that arise in cases of COVID-19.”

For live updates on the latest developments regarding the novel coronavirus and COVID-19, click here.


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Hot Topics

City of Cape Town urges people to leave Kataza the baboon alone

Kataza the baboon. Facebook / Baboon Matters The City of Cape Town has asked the public not to feed a baboon that has relocated to Tokai. The baboon, known as Kataza or SK11, is slowly being integrated into the Tokai troop. Video footage, however, shows humans feeding Kataza. The City of Cape Town has requested that Kataza…

Rassie: There are various benefits for SA rugby to go north

As SA Rugby moves to determine which franchises will go to Europe in future, Rassie Erasmus has noted several potential benefits for the local game should that route be followed.The national director of rugby believes the high world rankings of Wales, Ireland and Scotland mean PRO Rugby is competitive and that fans will eventually identify…

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(John Finney Photography/Moment/Getty Images) An abnormally bad season of weather may have had a significant impact on the death toll from both World War I and the 1918 Spanish flu pandemic, according to new research, with many more lives being lost due to torrential rain and plummeting temperatures. Through a detailed analysis of an ice…

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City of Cape Town urges people to leave Kataza the baboon alone

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As SA Rugby moves to determine which franchises will go to Europe in future, Rassie Erasmus has noted several potential benefits for the local game should that route be followed.The national director of rugby believes the high world rankings of Wales, Ireland and Scotland mean PRO Rugby is competitive and that fans will eventually identify…

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(John Finney Photography/Moment/Getty Images) An abnormally bad season of weather may have had a significant impact on the death toll from both World War I and the 1918 Spanish flu pandemic, according to new research, with many more lives being lost due to torrential rain and plummeting temperatures. Through a detailed analysis of an ice…