Abstract
The coronavirus disease 2019 (COVID-19) is our latest pandemic, preceded by the H1N1
swine flu in 2009, which lasted approximately 19 months. One of the special characteristics
of COVID-19 is the propensity to cause venous thromboembolism (VTE). Thromboinflammation
seems to play a prominent role in the pathogenesis. We will here review some mechanisms
in the pathogenesis and discuss some hematological biomarkers, and also whether they
serve as useful risk factors for VTE. The role of general risk assessment models for
medically ill patients specifically in COVID-19 is appraised. The type of prophylaxis
and particularly whether standard or augmented doses of chemoprophylaxis should be
used is reviewed based on available evidence. We are also comparing recommendations
from 10 different guidance or position/consensus statements. Treatment recommendations
for patients with COVID-19 and pulmonary embolism are discussed with current general
treatment guidelines as reference. Specifics for patients with COVID-19 are pointed
out and the potential role of thrombolytic treatment is explored.
Keywords
COVID-19 - D-dimer - risk assessment models - venous thromboembolism - prophylaxis
- treatment