Premature Newborns Treated With Less Invasive Surfactant Administration Under Heated Humidified High-flow

Inclusion Criteria: * Does not require intubation, * Diagnosed with RDS * Premature newborns receiving surfactant therapy in the first 72 hours of life * Those whose families give written consent Exclusion Criteria: * Babies whose families do not give written consent * Newborns diagnosed with early neonatal sepsis * Newborns with inotropic requirements * Neonates with hemodynamically significant PDA * Babies of diabetic mothers * Babies with a major congenital anomaly * Newborns with hemodynamic instability, * Those requiring endotracheal intubation, * NEC (Stage 2 or higher), * Those showing ICH (Stage 2 or higher) * Babies with perfusion disorders in the first three days