patent ductus arteriosus in preterm infants
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Gestational age165 BPM; systolic murmur; pulmonary edema; metabolic; acidosis; bounding pulses; hepatosplenomegaly; (2) Hemodynamic significant (any one of the follows); 1) a left atrium to aortic root diameter ratio of >=1.4 in the parasternal long-axis view; 2) a DA diameter of >=1.4 mm/kg body weight; 3) left ventricular enlargement; 4) Holodiastolic flow reversal in the descending aorta.
Exclusion criteria
Exclusion criteria: 1. Congenital heart disease which need PDA to maintain blood flow; 2. Life-threatening infection; 3. Recent (within the previous 24 hours) intraventricular hemorrhage Grade 3-4; 4. Urine output 88.4umol/L; 6. Platelet count of <50*10^9/L; 7. Hyperbilirubinaemia which need exchange transfusion; 8. Active NEC and/or intestinal perforation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The rate of ductal closure;side effects;complications;complication; | — |
Countries
China