الفهرس 
Anatomy of the Portal VeinOnly 14 pages are availabe for public view
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Abstract
ABSTRACT
Background and aim of the work: Umbilical venous catheter (UVC) placement is thought to be a cause of portal vein thrombosis (PVT). Our study aimed to identify the incidence of PVT and potential risk factors predisposing neonates with UVC to develop PVT and the prevalence of hereditary prothrombotic mutations among the affected group if PVT detected.
Methods: A prospective observational study was conducted in the Neonatal intensive care unit (NICU) of Ain Shams university (ASU) Children’s Hospital on 100 neonates(group A). They were subjected to abdominal X-ray initially and duplex on their portal veins initially and at 1,6 and 12 months post insertion. We compared the risk factors of group (A) with the risk factors of another group of 25 childen with PVT ,who had been admitted in NICUs while neonates(group B).
Results: There was 46 males and 54 females. The mean BW was 1.87±0.72 Kg, the mean GA was 33.71±2.41weeks.Mean stay in NICU was 18.22±9.78 days, with mean UVC insertion duration 6.88 ±2.55 days, 75 %of inserted UVC were central in position, 77% of the studied neonates were premature,1 patient had NEC(Necrotizing EnteroColitis), 18% had sepsis,4% had blood products transfusion through the UVC. The one year follow up of the study group showed no incidence of UVC related PVT.
Conclusion: Although PVT is related to UVC in the literature and in our experience in the ASU Children’s Hospital Hepatology Clinic as a tertiary referral centre, yet in this study, the sole placement of UVC does not appear to increase risk of PVT if properly inserted and cared.