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. 2011 Feb;78(2):161-4.
doi: 10.1007/s12098-010-0223-x. Epub 2010 Nov 10.

Umbilical vascular catheter associated portal vein thrombosis detected by ultrasound

Manizheh Mostafa Gharehbaghi  1 , Masood Nemati, Sakha Sedigheh Hosseinpour, Reza Taei, Robabe Ghargharechi
Affiliations

Umbilical vascular catheter associated portal vein thrombosis detected by ultrasound

Manizheh Mostafa Gharehbaghi et al. Indian J Pediatr. 2011 Feb.

Abstract

Objective: To determine catheter-associated thrombosis by color Doppler ultrasound and to detect duration of catheter placement as a risk factor for thrombosis.

Methods: All newborn infants with umbilical vascular catheterization for more than 6 h duration were included in this study. Color Doppler ultrasound examination was performed within 24-48 h of catheter insertion, 48-72 h after its withdrawal and weekly until hospital discharge or clot resolution.

Results: Portal vein thrombosis (PVT) was determined in five cases (3.04%) of 164 infants received umbilical vascular catheterization. The mean duration of catheter placement in patients with PVT was 3.4 ± 1.94 days, which was not significantly different from infants without thrombosis (3.5 ± 2.03). Thrombosis was completely recanalized and resolved after 3-6 weeks in three survived neonates. There was history of exchange transfusion for hyperbilirubinemia via umbilical vein in two neonates with PVT.

Conclusions: Catheter-associated portal venous thrombosis was uncommon in our study. The duration of catheter placement was not longer in patients with portal vein thrombosis than those without thrombosis.

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