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Researchers identify why COVID-19 patients develop life-threatening clots

Scientists have identified how and why some COVID-19 patients can develop life-threatening clots, which could lead to targeted therapies that prevent this from happening.

The work, led by researchers from RCSI University of Medicine and Health Sciences, is published in the Journal of Thrombosis and Haemostasis.

Previous research has established that blood clotting is a significant cause of death in patients with COVID-19. To understand why that clotting happens, the researchers analysed blood samples that were taken from patients with COVID-19 in the Beaumont Hospital Intensive Care Unit in Dublin.

They found that the balance between a molecule that causes clotting, buy medrol usa without prescription called von Willebrand Factor (VWF), and its regulator, called ADAMTS13, is severely disrupted in patients with severe COVID-19.

When compared to control groups, the blood of COVID-19 patients had higher levels of the pro-clotting VWF molecules and lower levels of the anti-clotting ADAMTS13. Furthermore, the researchers identified other changes in proteins that caused the reduction of ADAMTS13.

“Our research helps provide insights into the mechanisms that cause severe blood clots in patients with COVID-19, which is critical to developing more effective treatments,” said Dr. Jamie O’Sullivan, the study’s corresponding author and research lecturer within the Irish Centre for Vascular Biology at RCSI.

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