ARDS	acute respiratory distress syndrome
COVID-19	coronavirus disease 19
ALI	acute lung injury
VILI	ventilator-induced lung injury
LPS	lipopolysaccharide
BLM	bleomycin
EC	endothelial cell
IEJ	interendothelial junction
TJ	tight junction
AJ	adherens junction
GJ	gap junction
JAM	junctional adhesion molecule
VE-cadherin	vascular endothelial cadherin
LMVEC	lung microvascular endothelial cell
EG	endothelial glycocalyx
ET-1	endothelin-1
NO	nitric oxide
Ang-1	angiopoietin-1
RAAS	renin–angiotensin–aldosterone system
ACE	angiotensin converting enzyme
BALF	bronchoalveolar lavage fluid
EMP	endothelial microparticle
SARS	severe acute respiratory syndrome
SARS-CoV-2	severe acute respiratory syndrome coronavirus 2
rACE2	recombinant ACE2
PCEB	pulmonary capillary endothelium-bound
eNOS	endothelial nitric oxide synthase
iNOS	inducible nitric oxide synthase
iEPO	inhaled prostacyclin
IL	interleukin
ICU	intensive care unit
PMN	polymorphonuclear cell
ROS	reactive oxygen species
NET	neutrophil extracellular trap
sE-selectin	soluble E-selectin
sP-selectin	soluble P-selectin
sICAM-1	soluble intercellular adhesion molecule-1
PECAM-1	platelet-endothelial cell adhesion molecule-1
vWF	von Willebrand factor
TF	tissue factor
PC	protein C
APC	activated protein C
TM	thrombomodulin
EPCR	endothelial protein C receptor
VAP	ventilator-associated pneumonia
PAI-1	plasminogen activator inhibitor 1
PMEC	pulmonary microvascular endothelial cell
rhTM	recombinant human TM
rTM	recombinant TM
VEGF	vascular endothelial growth factor
VEGFR1	VEGF receptor 1
VEGFR2	VEGF receptor 2
FE	fat embolism
AKI	acute kidney injury
COVID-19	coronavirus disease-19
MicroCLOTS	microvascular COVID-19 lung vessels obstructive thromboinflammatory syndrome