Inclusion criteria:
Patients admitted to intensive care units (ICU)
Patients undergoing mechanical ventilation.
Patients aged 15 to 45 years
Exclusion criteria:
Dissatisfaction of the patient's legal guardian
Patients with facial trauma
Having previous underlying disease such as diabetes, asthma, kidney failure, heart, liver,
Patients undergoing chemotherapy or treatment with corticosteroids
Patients previously undergoing transplantation of one of the vital organs of the body, such as the heart, kidney, liver and pancreas.
Patients treated with Immunosuppressants
Patients with blood diseases such as hemophilia,Thalassemia, leukemia, , platelet deficiency or any of the blood cells
Patients with severe infection and sepsis
Patients with scalp and neck burns