preterm infants
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Neonates with gestational age at birth between 23 weeks & 0 day and 29 weeks & 6 days, and 2)Neonates who admitted to the NICUs participating in this study until 24 hours after birth, and 3)Neonates who survived 24 hours after birth.
Exclusion criteria
Exclusion criteria: Chromosomal abnormality:(13, 18, 21 trisomy, del 22q11.2, Noonan syndrome, etc). Multiple anomalies, apparent clinical syndrome, congenital anomalies which needs operation during infancy. Congenital heart disease other than PDA/PFO/PLSVC. Congenital metabolic disease, endocrinologic disease, neuromuscular disease, systemic bone disease. Family history of severe heredity disease such as neuromuscular disease or cardiomyopathy. Neonates whose parents do not agree to provide the patients' data to the study. Critical condition ineligible for this study, which was judged by attending physician.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PDA surgery | — |
Secondary
| Measure | Time frame |
|---|---|
| Symptomatic PDA The number of COX inhibitor administration Intraventricular hemorrhage (grade I-II) Intraventricular hemorrhage (grade III- IV) Pulmonary hemorrhage necessitating therapy Intestinal perforation Necrotizing enterocolitis Chronic lung disease with moderate severity (FiO2<0.3, and no respiratory pressure support at 36 weeks of gestation) Severe chronic lung disease (FiO2>=0.3, or respiratory pressure support at 36 weeks of gestation) Severe retinopathy of prematurity(>= Stage3 of type I, or type 2 in Japanese criteria; or >=Stage 3 in international criteria; or who needs therapy for retinopathy) | — |
Countries
Japan
Contacts
Saitama Medical University Pediatric Cardiology