Patterns and outcomes of real-world high-flow nasal cannula use: a multi-hospital retrospective cohort study

Key Points

• The goal is to understand how high-flow nasal cannula is used in hospitals and its outcomes for patients.
• Conducted a retrospective observational study across five hospitals.
• Utilized an electronic health record registry to gather patient data.
• Focused on adult patients between 2017 and 2025.
• Identified various usage patterns of high-flow nasal cannula.
• Documented outcomes related to its effectiveness.
• Provided insights into breaks in usage and their implications.