Thrombus formation after umbilical arterial catheterisation. An angiographic study

Area of Science:

• Neonatal Medicine
• Pediatric Cardiology
• Vascular Surgery

Background:

• Umbilical arterial catheters are commonly used in neonatal intensive care.
• Potential complications include arterial thrombus formation.
• The incidence and clinical significance of thrombus formation require further investigation.

Purpose of the Study:

• To prospectively determine the incidence of arterial thrombus formation in newborn infants undergoing umbilical arterial catheterisation.
• To assess the correlation between thrombus formation and clinical signs, birthweight, or duration of catheterisation.
• To emphasize the importance of correct catheter placement.

Main Methods:

• Prospective study of 47 newborn infants with umbilical arterial catheterisation.
• Pull-out angiography performed on 30 infants at catheter removal.
• Autopsy examination for arterial thrombus in 8 infants.

Main Results:

• Arterial thrombus formation was detected in 30% (9 of 30) of infants via angiography.
• No clinical signs of thrombus formation were observed in affected infants.
• Autopsy revealed arterial thrombus in 5 of 8 infants.
• No significant difference in birthweight or catheterisation duration between infants with and without thrombus.

Conclusions:

• Umbilical arterial catheterisation is associated with a significant incidence of arterial thrombus formation.
• Thrombus formation may be asymptomatic, highlighting the need for diagnostic imaging.
• Correct placement of umbilical arterial catheters is essential to reduce the risk of thrombus formation and potential complications.