Nurse-led High-flow Nasal Cannula Weaning Protocol in Pediatric Intensive Care Unit

Inclusion Criteria: * Patients older than 1 month and younger than 24 months of age; hospitalized at the PICU with the intention of treatment with HFNC at least for the upcoming 4 hours * Patients with moderate and severe RAS(Respiratory Assessment Scale) requiring HFNC * Written informed consent signed and dated by the patient or one relative in case that the patient is unable to consent, after full explanation of the study by the investigator and prior to study participation Exclusion Criteria: * İnfants born before 32 weeks of gestation or those with cardiopulmonary, genetic, congenital, or neuromuscular abnormalities. * Patient with an indication for immediate noninvasive ventilation (NIV) * Patients deemed at high risk for the need for non-invasive mechanical ventilation within the next 4 hours * Hemodynamic instability