PDA Management in the First Month in High-Risk Preterm Neonate Clinical Pathway — N/IICU and Inpatient
PDA Management in the First Month in High-Risk Preterm Neonate Clinical Pathway — N/IICU and Inpatient
Echocardiogram Staging of PDA
PDA | Transductal Flow | Ductus Arteriosus (DA) | Heart |
---|---|---|---|
Small | Moderate/severely restrictive > 3m/sec |
Pulmonary artery ratio < 0.5 | No signs of left heart dilation |
Moderate | Mildly restrictive 1.5-3m/sec | Pulmonary artery ratio 0.5-1 | Mild left atrial dilation |
Large | Unrestrictive < 1.5m/sec | Pulmonary artery ratio > 1 | Moderate to severe LA or LV dilation Flow reversal in aorta immediately beneath DA |