Effect of heparin concentration and infusion rate on the patency of arterial catheters
- 1 March 1987
- journal article
- clinical trial
- Published by Wolters Kluwer Health in Critical Care Medicine
- Vol. 15 (3) , 230-232
- https://doi.org/10.1097/00003246-198703000-00010
Abstract
In a prospective randomized controlled trial involving 470 arterial catheters in 470 children, we studied the effect of changing either the concentration or the flow rate of a heparin infusion. Although catheters tended to remain patent longer with a flow rate of 2 ml/h rather than 1 ml/h, the difference was not statistically significant. Increasing the heparin concentration from 1 to 5 U/ml significantly prolonged catheter patency.Keywords
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