Pregnancy and lactation Connect the patient to the ventilator Low blood pressure at the beginning of the study (below 80/12) Has a history of gastrointestinal bleeding or active bleeding in the body Patients with immunodeficiency (under chemotherapy, organ transplantation and bone marrow transplantation, and patients with autoimmune diseases)

Pregnancy and lactation Connect the patient to the ventilator Low blood pressure at the beginning of the study (below 80/12) Has a history of gastrointestinal bleeding or active bleeding in the body Patients with immunodeficiency (under chemotherapy, organ transplantation and bone marrow transplantation, and patients with autoimmune diseases)