Percutaneous neonatal carotid access for interventional catheterization.

Neonatal percutaneous carotid access is a safe technique that compares favorably to neonatal surgical carotid access. Mid-term ultrasound and angiographic follow after percutaneous carotid access shows 100% vessel patency rate with no severe stenoses or aneurysms detected. Mild stenosis (<12%) is frequent at follow up (35%), the clinical significance of which is unknown.