Is Fetal Hemoglobin a Key for Improvement of Hypoxia and Saving Last Breath in COVID-19 Patient?. A Pilot Study.

Inclusion Criteria

• •Admitted covid 19 patients to the ICU with the following criteria : :
• •* Hypoxia (P/F less than 100)
• •* Need for high level of oxygenation or ventilatory support
• •* Tachypnea, respiratory distress due to hypoxia
• •* \>50 percent involvement of the lung parenchyma on chest imaging .
• •* Serum IL-6 ≥ 5 x upper normal limit of daily increase of \>1 time
• •* Ferritin \>300 ug/L with doubling within 24 hours
• •* Ferritin \>600 ug/L at presentation
• •* LDH \>250 U/L
• •* Elevated D-dimer (\>1 mg/L)