INTUPROS 2-3: Improving First-Pass Intubation Success and Reducing Complications in ICU Patients

Airway Management Assessment, Complications, Critical Illness, Tracheal Intubation

airway management, intubation

This national, multicenter, prospective cohort study aims to determine the prevalence and risk factors associated with major peri-intubation complications in critically ill adult patients undergoing tracheal intubation in intensive care units (ICUs), and to compare these findings with those previously reported in the INTUPROS 1 study. Additionally, the study will evaluate the impact of a structured educational intervention on airway management practices and clinical outcomes through a pre- and post-intervention design

Tracheal intubation in critically ill patients admitted to intensive care units (ICUs) is associated with a high risk of severe complications, including cardiovascular instability, severe hypoxemia, cardiac arrest, and death. Previous multicenter studies, including the INTUPROS 1 study, have reported major peri-intubation complication rates of approximately 40-45%, emphasizing the need for improved airway management strategies. Despite advances in airway devices and monitoring techniques, first-pass intubation success rates and complication rates have not significantly improved over time. Variability in clinical practice, differences in operator experience, and inconsistent use of standardized protocols may contribute to these outcomes. The INTUPROS 2-3 study is a national, multicenter, prospective cohort study designed to evaluate current airway management practices and their associated outcomes in ICU patients, as well as to assess the effect of a structured educational intervention. The study is conducted in three sequential phases: INTUPROS 2 (pre-intervention phase): prospective observational data collection to determine the prevalence and risk factors of major peri-intubation complications, and to compare these results with those previously reported in INTUPROS 1. Educational intervention phase: implementation of a structured training program including simulation-based airway management training, dissemination of standardized protocols, promotion of videolaryngoscopy and capnography use, and distribution of educational materials. INTUPROS 3 (post-intervention phase): prospective observational data collection using the same methodology as in the pre-intervention phase to evaluate changes in airway management practices and clinical outcomes following the intervention. The primary objective is to determine the prevalence and identify risk factors associated with major peri-intubation complications within 30 minutes of the procedure. Major complications are defined as a composite endpoint including cardiovascular instability, severe hypoxemia, cardiac arrest requiring resuscitation, or death. Secondary objectives include evaluating first-pass intubation success, incidence of hemodynamic instability, use of airway devices such as videolaryngoscopy, pharmacological strategies used during intubation, number of intubation attempts, and adherence to recommended airway management practices. This quasi-experimental, before-and-after design allows both epidemiological characterization of current practices and assessment of the real-world impact of a national educational quality improvement program.

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