Oxygen Consumption (VO2), Effort, and Weaning in Mechanically Ventilated ICU Patients: EXTUBATE Study

What this Trial Is About

Weaning failure is a common challenge for patients who have been on mechanical ventilation for more than 72 hours, leading to complications if extubation timing is not optimal. This observational study explores better ways to predict successful extubation by investigating oxygen consumption (VO2) and other measures of patient effort during spontaneous breathing trials (SBT). Researchers aim to identify parameters that could improve predictions of weaning success or failure, potentially reducing re-intubation rates. Participants will undergo a spontaneous breathing trial according to the Leiden University Medical Center protocol, with measurements taken of oxygen consumption using end-tidal oxygen levels, as well as work of breathing, pressure time product, and esophageal pressure swings through an esophageal catheter. These parameters will be monitored before, during, and after the SBT to assess their association with extubation outcomes. During the study, patients' breathing efforts and oxygen use will be carefully measured at specific time points around the SBT. The primary focus is on the incidence of weaning failure within 48 hours after the SBT and changes in oxygen consumption throughout the trial. Secondary assessments include changes in esophageal pressure swings, work of breathing, pressure time product, and the rapid shallow breathing index. The study involves close monitoring in the intensive care unit environment, with data collected to enhance understanding of predictors for successful weaning from mechanical ventilation.

Oxygen Consumption (VO2), Effort, and Weaning in the Mechanically Ventilated Patient in the Intensive Care Unit (ICU)