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About KNN
About KNN
Inclusion criteria
- Inclusion criteria
- 1. Very low birth weight infants (VLBWI) with a birth weight of less than 1,500g or infants born at less than 32 weeks of gestational age.
- 2. Infants born at KNN participating hospitals who were admitted to the NICU of that institution either immediately after birth or within 28 days of life without being discharged home after birth from an external hospital.
- Exclusion criteria
- 1. Infants who were born alive but died in the delivery room and were not admitted to the NICU.
- 2. Very low birth weight infants (VLBWI) with a birth weight of less than 1,500g or infants born at less than 32 weeks of gestational age who were transferred to the NICU of another hospital within 28 days of birth.
Key Outcome Variables
NICU Registry at discharge
| Major outcome variables | Others | |
|---|---|---|
| Survival | Mortality | Cause of death, Transfer out |
| Obstetric and prenatal care |
Maternal age / gestational age, Mode of delivery |
Education level, Maternal diseases, Antenatal steroid |
| Admission | Apgar scores, Resuscitation, Anthropometric parameters |
Congenital anomalies, Blood gas analysis |
| Respiratory | Respiratory distress syndrome (RDS), Bronchopulmonary dysplasia (BPD), Respiratory support |
Air leak syndrome, Pulmonary hemorrhage, Pulmonary hypertension |
| Cardiavascular | Patent ductus arteriosus (PDA) | Medical / surgical tratement of PDA, Hypotension |
| Central Nervous System |
Intraventricular hemorrhage, Periventricular leukomalacia |
Post-hemorrhagic hydrocephalus, Seizures |
| Infection | Sepsis / meningitis | Intrauterine infection |
| Gastrointestinal | Necrotizing enterocolitis | Parenteral nutrition, Enteral feeding |
| Neurosensory | Retinopathy of prematurity, Hearing screening | Intrauterine infection |
| Discharge status | Disposition, Cause of death | Morbidities at discharge |
Follow-up Registry
| Time | Major outcome variables | Others |
|---|---|---|
| 18 - 24 mo of corrected age |
Survival, Growth, Neurodevelopment (Bayley Scales of Infant Development, K-DST etc.) |
Morbidities (neurosensory, respiratory status etc.) Social environment |
| 3 years of age | Survival, Growth, Neurodevelopment (Bayley Scales of Infant Development, K-DST etc.) |
Morbidities, (neurosensory, respiratory status etc.) Social environment |
Korean Neonatal Network
TEL : 070-8095-2023 FAX : 02-3410-3540
E-mail : knn@knn.or.kr
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