Article Text

Download PDFPDF
Doppler echocardiography was not accurate for diagnosing asymptomatic thrombosis associated with an umbilical venous catheter in infants

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.

OpenUrlCrossRefPubMedWeb of Science

QUESTION: What is the accuracy of Doppler echocardiography for diagnosing asymptomatic thrombosis associated with an indwelling umbilical venous catheter (UVC) in infants?


Blinded comparison of Doppler echocardiography with contrast venography.


A neonatal intensive care unit (NICU) at a university based hospital in Hamilton, Ontario, Canada.


47 infants (mean gestational age 32.2 wks, mean birth weight 1962 g, 51% boys) who had in situ UVCs for ≥48 hours and the catheter was scheduled for elective removal. All catheters had single lumens and were made of polyvinyl chloride; heparin was not added to intravenous solutions and no blood products were given through the UVC. Exclusion criteria were symptoms and signs of catheter associated …

View Full Text


  • For correspondence: Dr B Schmidt, McMaster University, Hamilton, Ontario, Canada. Schmidt{at}

  • Source of funding: Regional Medical Associates of Hamilton, Ontario, Canada.