According to an article ¿percutaneous carotid artery access in infants < 3 months of age," catheterization and cardiovascular interventions 87:757-761 (2016), a (b)(6) infant with pulmonary atresia intact ventricular septum underwent ductal stenting on day of life 6.A 4fr.Ultimum sheath was inserted into the carotid arteriotomy.Heparin 70 ¿ 100 u/kg was given to maintain activated clotting time of >200 seconds.A vascular ultrasound performed 12 hours post procedure showed a fistula involving the right carotid artery to internal jugular vein.Heparin was discontinued, aspirin initiated, and manual compression was applied, but was unsuccessful.The patient underwent surgery where no fistula was found but a pseudoaneurysm was identified and repaired.Doi: 10.1002/ccd.26310.
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