Safety related factors of endotracheal intubation in patients with severe Covid‐19 pneumonia  Severe covid‐19 pneumonia with ET  COVID‐19 endotracheal intubation  120, all, 18–90  Observational  Intervention details: other: severe covid‐19 pneumonia with ET, severe covid‐19 pneumonia undergoing endotracheal intubation  –  Primary:
Success rate of intubation (the time span between 1 hr before intubation and 24 hr after intubation), infection rate of anesthesiologist (the time span between 1 hr before intubation and 14 days after intubation)
Secondary:
Extubation time (the time span between 1 hr before intubation and 30 days after intubation)  NCT04298814/Not yet recruiting, Mar7‐Jul30 2020