Population-wide cohort study detects increase in major arterial and venous thrombotic events immediately after COVID-19 diagnoses BristolUni COVID19 ThromboticEvents
By Dr. Chinta SidharthanSep 21 2022Reviewed by Aimee Molineux In a recent study published in Circulation, researchers explored the association between coronavirus disease 2019 and vascular thrombotic events using a population-wide cohort study across England and Wales.
About the study The present study compared COVID-19 diagnosis data with incidences of major vascular thromboses using population-wide electronic health records between January 1 and December 7, 2020, from England and Wales. Hazard ratios were estimated by comparing the incidence of vascular thrombotic events in individuals with COVID-19 diagnoses and individuals not diagnosed with COVID-19.
Demographic factors such as age and sex did not seem to influence the incidence of thrombotic events. However, race seemed to be an important factor, with people of Black and Asian ethnicities having higher incidences of thrombotic events than White people.
Conclusions Overall, the study reported a substantial increase in incidences of arterial and venous thrombotic events in the weeks following COVID-19 diagnoses in England and Wales, with the numbers decreasing with time, albeit comparatively slower for venous thromboembolism events.
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