to estimate incidences of major complications, such as bronchopulmonary dysplasia, death, and delivery room resuscitation among extremely preterm and extremely low birth weight infants in Northern China
to estimate incidences and risk factors of bronchopulmonary dysplasia, death, and delivery room resuscitation among extremely preterm and extremely low birth weight infants in Northern China
Study Type
OBSERVATIONAL
Enrollment
1,200
no interventions because of an observational study
Qi Feng
Beijing, Beijing Municipality, China
incidences
to investigate incidences of bronchopulmonary dysplasia
Time frame: at 36 weeks' corrected age (CA) or at discharge
risk factors
to investigate risk factors of bronchopulmonary dysplasia
Time frame: at 36 weeks' corrected age (CA) or at discharge
incidences of delivery room resuscitation
to investigate incidences of delivery room resuscitation
Time frame: on admission
risk factors of delivery room resuscitation
to investigate risk factors of delivery room resuscitation
Time frame: on admission
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