Therapeutic Plasma Exchange to Alleviate Hyperinflammatory Condition During Severe Covid-19 Infections

"Therapeutic plasma exchange (TPE) ; 3 sessions in 3 consecutive days (Day 1 to Day 3) in intensive care unit in addition to usual treatments.~Plasma removed is replaced by thawed fresh frozen plasma. Plasma blood volume exchanged : 1.2 Apheresis type: centrifugation"

Usual treatments of patients in intensive care unit with hyperinflammatory condition due to Covid-19 infection consist in supporting respiratory function, oxygen supplementation, non invasive ventilation, invasive ventilation, antibiotic, vasopressive support and corticosteroids (in absence of bacterial secondary infection)