This is a prospective, observational cohort study. For the study part on noninvasive neurally adjusted ventilatory assist (NIV-NAVA) the design is interventional. For all participants prospective data collection will be conducted by chart review and by downloading ventilatory data from the ventilator. A registration of respiratory severity score will be done by a caregiver during the weaning period. This consists of a visual assessment of the work of breathing every 2 hours. For participants on NIV-NAVA consenting to the interventional part of the study a titration procedure will be conducted, afterwards serial electrical impedance tomography and lung and diaphragm ultrasound measurements will be done.
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Total duration of respiratory support
Timeframe: From birth until study completion, variating between 3 weeks and 3 months
Rate of bronchopulmonary dysplasia (BPD) or death
Timeframe: From birth until gestational age of 36 weeks