Hospital Mortality and Effect of Adjusting PaO/FiO According to Altitude Above the Sea Level in Acclimatized Patients Undergoing Invasive Mechanical Ventilation. A Multicenter Study.

Objective: (i) Analyze the effect of altitude above the sea level on the mortality rate in patients undergoing invasive mechanical ventilation. (ii) Validate the traditional equation for adjusting PaO/FiO according to the altitude.

Design: A prospective, observational, multicenter and international study conducted during August 2016.

Delirium epidemiology in critical care (DECCA): an international study.

Introduction: Delirium is a frequent source of morbidity in intensive care units (ICUs). Most data on its epidemiology is from single-center studies. Our aim was to conduct a multicenter study to evaluate the epidemiology of delirium in the ICU.