ETHA Statement on Lessons learned from COVID-19: the need for better thrombosis management

On World Thrombosis Day 2022, the European Thrombosis and Haemostasis Alliance calls upon the European Parliament Special Committee on COVID-19 to take into account the importance of thrombosis when formulating lessons learned from the pandemic and recommendations for the future.

  1. EU institutions should invest in researching the fundamental underlying mechanisms of blood clotting. Given COVID-19’s tendency to cause blood clots, the temporary increased incidence of blood clots after recovering from infections in general, and the potential role of micro-clots in explaining long-COVID symptoms, more basic and clinical research is needed to understand the relationship between blood clot formation and infectious diseases like COVID-19. This research would not only be of use in addressing future novel diseases, but also in addressing existing diseases – such as cancer – that are co-morbid with thrombosis.
  2. EU Member States should develop and enact plans to tackle the risk of a reverse in the decline of pulmonary-embolism-related mortality rates, due to blood clotting complications of COVID-19.
  3. Such plans should include measurement of venous thromboembolism prevalence and the adoption of national guidelines on VTE risk assessment in all Member States. VTE risk assessment is a successful, replicable patient safety intervention that would be effective across disease contexts and improve overall survival from multiple diseases associated with blood-clot-related complications.


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