The study aims to investigate efficacy and safety of nasal mask and prongs used in non-invasive ventilation in newborns by using esophageal pressure transducer.

The parameters including ventilation duration, hospitalization duration, pulmonary outcomes and side effects will be evaluated.

Although it seems as more non-invasive there is still lack of data especially on efficacy of nasal mask use in NIV for newborns. By using esophageal pressure transducers we will evaluate the pressure supplied by the ventilation mode and compare it with more commonly used nasal prongs. The investigators will test the hypothesis of equivalence of nasal mask in comparison to prongs with better safety parameters.

Inclusion Criteria:

• all newborns who require NIV as first line treatment as respiratory support in delivery room or neonatal intensive care unit

Exclusion Criteria:

• who are intubated in delivery room or neonatal intensive care unit before randomization
• with congenital anomaly
• patients who require NIV more than 3 days