1-Age 18-79 years, 2-Diagnosis of COVID-19 by PCR in nasopharyngeal, sputum or bronchial aspirate smears : 3-Admission to ICU with invasive mechanical ventilation, 4-Telephone informed consent granted by family members or legal representative. 1-Edad 18-79 años, 2-Diagnóstico de enfermedad COVID-19 por PCR en frotis nasofaringeo, esputo o broncoaspirado 3, 3-Ingreso en UCI con ventilación mecánica invasiva, 4-Consentimiento informado telefónico otorgado por familiares o representante legal.

1-Age 18-79 years, 2-Diagnosis of COVID-19 by PCR in nasopharyngeal, sputum or bronchial aspirate smears : 3-Admission to ICU with invasive mechanical ventilation, 4-Telephone informed consent granted by family members or legal representative. 1-Edad 18-79 años, 2-Diagnóstico de enfermedad COVID-19 por PCR en frotis nasofaringeo, esputo o broncoaspirado 3, 3-Ingreso en UCI con ventilación mecánica invasiva, 4-Consentimiento informado telefónico otorgado por familiares o representante legal.