RCSI Coronavirus Study: Blood Clotting a Significant Cause of Death in Patients With COVID-19 by 30Seconds Health

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3 months ago
RCSI Coronavirus Study: Blood Clotting a Significant Cause of Death in Patients With COVID-19

A study led by clinician scientists at RCSI University of Medicine and Health Sciences has found that Irish patients admitted to hospital with severe coronavirus (COVID-19) infection are experiencing abnormal blood clotting that contributes to death in some patients. The study, carried out by the Irish Centre for Vascular Biology, RCSI and St James's Hospital, Dublin, is published in current edition of the British Journal of Haematology.

The authors found that abnormal blood clotting occurs in Irish patients with severe COVID-19 infection, causing micro-clots within the lungs. They also found that Irish patients with higher levels of blood clotting activity had a significantly worse prognosis and were more likely to require ICU admission.

“Our novel findings demonstrate that COVID-19 is associated with a unique type of blood clotting disorder that is primarily focussed within the lungs and which undoubtedly contributes to the high levels of mortality being seen in patients with COVID-19,” said Professor James O’Donnell, Director of the Irish Centre for Vascular Biology, RCSI and Consultant Haematologist in the National Coagulation Centre in St James's Hospital, Dublin.

“In addition to pneumonia affecting the small air sacs within the lungs, we are also finding hundreds of small blood clots throughout the lungs. This scenario is not seen with other types of lung infection, and explains why blood oxygen levels fall dramatically in severe COVID-19 infection. Understanding how these micro-clots are being formed within the lung is critical so that we can develop more effective treatments for our patients, particularly those in high risk groups. Further studies will be required to investigate whether different blood thinning treatments may have a role in selected high risk patients in order to reduce the risk of clot formation,” said Professor O’Donnell.

Emerging evidence also shows that the abnormal blood-clotting problem in COVID-19 results in a significantly increased risk of heart attacks and strokes.

Professor O’Donnell led the cross disciplinary study, with joint first authors Dr Helen Fogarty and Dr Liam Townsend, along with consultants from multiple specialties within St James’s Hospital and researchers at RCSI University of Medicine and Health Sciences and Trinity College Dublin.

Photo: Professor James O'Donnell, Director of the Irish Centre for Vascular Biology 

Further research on these findings will continue under Irish COVID-19 Vasculopathy Study (iCVS) which has been jointly funded by the Health Research Board and Irish Research Council as part of the Irish government’s COVID-19 Rapid Response Research Funding.

Ranked number one globally for Good Health and Well-being in the Times Higher Education (THE) University Impact Rankings 2020, RCSI University of Medicine and Health Sciences is an international not-for-profit university, with its headquarters in Dublin.

RCSI is exclusively focused on education and research to drive improvements in human health worldwide. It is among the top 250 universities worldwide in the THE World University Rankings (2020) and its research is ranked first in Ireland for citations. RCSI has been awarded Athena Swan Bronze accreditation for positive gender practice in higher education.

The information on 30Seconds.com is for informational and entertainment purposes only, and should not be considered medical advice. The information provided through this site should not be used to diagnose or treat a health problem or disease, and is not a substitute for professional care. Always consult your personal healthcare provider.

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Elisa A. Schmitz 30Seconds
I heard about the clotting and about the higher rate of strokes among COVID-19 patients. Thanks for sharing the results of this study. I hope researchers and scientists can continue to learn about this awful disease so we can overcome it.

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