Patients with CT evidence category 4 or 5. Patients with dropped O2 saturation below 90 on room air. Patients with uncontrolled hypertension or diabetes mellitus. Ventilated patients or those with multiorgan failure.

Patients with CT evidence category 4 or 5. Patients with dropped O2 saturation below 90 on room air. Patients with uncontrolled hypertension or diabetes mellitus. Ventilated patients or those with multiorgan failure.